Showing posts with label Computer. Show all posts
Showing posts with label Computer. Show all posts

Friday, August 5, 2011

How to Recovery Database

In this age of digital world, nearly everyone depends on their pc and onerous drive to store their necessary files. Some even store their necessary recollections like footage of the primary time their daughter walked on their onerous drive. The danger of storing files in your onerous drive is that it's not safe in the slightest degree. In as temporary as an immediate, the worst will happen and files will be accidentally deleted. And if it will happen and you are feeling that each one is lost, knowledge recovery can still offer you a glimmer of hope.

It's sensible to grasp that albeit a significant crash happened to your pc, most of the time the info or files will still be found on your onerous drive. The question for several is a way to recover these deleted files within the onerous drive? essentially, you've got 2 choices to settle on from. the primary one is usually the safest means which is to let the specialists handle the duty. Bring your onerous drive to an information recovery center and allow them to do the diligence. knowledge recovery could be a terribly tough task which might need the information of specialists in knowledge recovery. This offers less risk in recovering and restoring your necessary files.

The second possibility is by doing the info recovery yourself. for somebody who is sweet on computers and may follow directions, this can be a less expensive possibility as they do not need to pay the service fee of the specialists. sadly no person who is sweet on pc will perform the tough task of recovering deleted files. The danger of doing knowledge recovery by yourself is losing your file permanently. within the finish rather than serving to yourself get the files that you simply wish, you finish up doing a lot of injury and lose files permanently. this can be a vital thought that you simply ought to bear in mind when performing knowledge recovery.

After thinking it through and you made the decision that you simply are ready to perform the recovery of deleted files from your onerous drive, ensuing step is to search out a program which will assist you perform this difficult task. There are programs and freeware that may be downloaded through the web. Some programs are free however the a lot of advanced ones go together with a fee. The advantage of using these programs is it'll prevent some cash as you do not need to rent or pay an information recovery specialist to recover deleted files from your onerous drive. For many, this is a wise plan since the programs can perform nearly a similar service because the specialist will.

But but, it ought to be stressed that recovering deleted files from your onerous drive could be a difficult and risky business. an individual who isn't sensible or adept with computers ought to attempt to keep away or shun aloof from delving into the massive task of knowledge recovery. additionally not all programs for do it yourself knowledge recovery will be used for all kinds of knowledge loss or deleted files. samples of that is when the onerous drive is physically broken. except for straightforward matters of recovering deleted files from a superbly sensible onerous drive, most software is ready to figure. you simply need to be terribly careful when performing the info recovery by yourself to avoid additional damaging your disk which can create it even tougher to recover deleted files or it might even flip for the worst of losing your files permanently.

Difficult Data Recovery from Human Error

According to a 2010 poll by Symantec Corp. seventy nine of respondents said that knowledge recovery and knowledge backup were somewhat/absolutely necessary as initiatives. One should surprise what the opposite twenty first are thinking. knowledge is one issue that's uniformly necessary to all or any sizes of companies; anyone who loses knowledge will leave of business if they suffer a catastrophe that interrupts money flow. people will lose accounting records and personal comes representing several hours of labor. There was a case of a person writing a unique who was restricted in his data of computers since in his day job he solely referred to files and created some notes when sales calls.

His home laptop was failing thus he brought what he had of the manuscript to the workplace on a CD and place it on a Word document thus he might keep late and sort new work into the novel. Since the manuscript was changing each day he threw away the CD and kept writing, saving that day's version with a date and deleting the last file thus he would not get confused.

The workplace network he was using automatically done in all deleted files; there was no desktop trash bin. Weeks later he had completed concerning four-hundredth of the manuscript, got concerned and deleted the sole file with the manuscript on it as a result of he forgot to avoid wasting it beneath a replacement date. When he visited open the foremost recent file it wasn't there. All the impressed writing could not probably be done from memory and a panic set in that the work was lost forever.

The would-be author approached an IT friend within the workplace who spent somewhat time and located an earlier version of the Word doc in a very temporary file…the file had the necessary initial chapters and solely a vicinity would wish to be re-written. This was a case of pure human error. The project was saved however the nervous breakdown at the thought of losing everything had left a healthy appreciation for backing up knowledge fastidiously. To quote Joni Mitchell, "You do not know what you've 'til it's gone".

A file recovery is feasible on deleted files if you are doing it in time with knowledge recovery software. the information is not overwritten at once, the reference to it simply disappears from the directory however it's not physically aloof from the disk. The disk is aware of that the area is obtainable therefore the knowledge should be retrieved before in gets overwritten therefore the laptop should not be employed in the meantime.

Small and medium sized corporations have restricted budgets for backup systems; the less you'll be able to afford for backup systems the additional reliance there's on humans to hold out backup procedures. Forgetting to try to to a backup for any length of your time will leave a corporation vulnerable, particularly if another downside comes up within the meantime. Not everyone seems to be established with arrays or cloud computing for additional reliable knowledge backup.

For smaller budgets the answer is found using off-site backup, called remote backup, that is totally automated and eliminates the chance of human error. {the information} is replicated between 2 data centers thus it'll continually be obtainable. corporations will get this for an occasional monthly rate, giving them access to an enterprise category knowledge backup resolution.

Saturday, July 23, 2011

IT Managers Talking Desktop Virtualization Strategies


What are the different, common desktop virtualization strategies used today? Four IT managers representing various industries discussing (with animated demonstrations) the optimal desktop virtualization strategy for their respective industries, and how Intel Core vPro processors enhance the experience with strengthened security & manageability.

Intel Cloud 2015 Vision: Client Aware Cloud


Intel Cloud 2015 Vision calls for a federated, automated, and client aware environment. This animation explains what is meant by client aware by showing examples of three required characteristics of a client aware cloud: compute, context, and capabilities

Tuesday, July 19, 2011

Too much gaming makes kids obese, violent: Survey

Excessively playing video games can generate a greater risk of obesity, aggressive and violent behaviour in children and teenagers, finds a new survey.

The recent survey by Assocham reveals that over 82 per cent of teenagers spend an average of 14-16 hours per week playing games on computer, web portal or consoles and about 7 per cent of children surveyed qualified as being pathological video gamers (over 20 hours per week).

Gaming is taking away time that could be spend on activities that have educational benefits. Compulsive gamers display signs of diminished empathy, increased aggression and conflicts at home, school and work. It could also create problems and lead to poor social skills.

Rising addiction to video games include easy availability of resources and absence of quality parental care reveals the survey conducted under Assocham's Social Development Foundation (SDF).

Over 2,000 teenagers and 1,000 parents were interviewed by Assocham-SDF during April 2011 to June 2011 in Delhi-NCR, Mumbai, Chandigarh, Lucknow, Ahmedabad, Patna, Kolkata, Chennai, Bengaluru and Jaipur.

The sample included almost an equal number of males and females in the age group of 8-18 years.

About 84 per cent (ages 8 to 18) of children said they played violent games when they were alone than with their parents. About 76 per cent prefer to play action games and 45 per cent of gamers, who shows signs similar to addiction, are also more likely to have a video game system in their bedroom.A total of 1,200 teens (76 per cent) played video games.

About 20 per cent of the gamers were girls and female gamers were found to spend an average of 30 minutes playing on the weekdays and one hour playing on the weekends. Male gamers spend an average of 50 minutes playing on the weekdays and 2-3 hours playing on the weekends.Gamers who are going to school account for 72 per cent and college students at 28 per cent.


Monday, May 23, 2011

Pentingnya Fitur Disk Defragmenter pada Komputer

Beberapa dari Anda mungkin meremehkan atau bahkan ada yang belum mengerti apa fungsi sesungguhnya dari fitur ini. Berikut adalah beberapa hal yang perlu diketahui seputar Disk Defragmenter.

1. Disk Defragmenter adalah fitur yang dimiliki sistem operasi Windows untuk mengatur tata letak data atau program yang tersimpan dan mengoptimalkan kapasitas hard disk yang tersisa. Setelah menggunakannya, kinerja pada komputer akan terasa lebih cepat dan efisien karena proses membaca file akan lebih mudah.

2. Fitur Disk Defragmenter standar sudah ada di sistem operasi Windows. Pengguna bisa menggunakan fitur ini atau meng-install software lain yang memiliki fungsi serupa.

3. Menggunakan fitur tersebut secara teratur, minimal satu atau dua bulan sekali (tergantung frekuensi keluar masuknya data pada hard disk), akan menjaga performa komputer dan laptop.

4. Langkah-langkahnya adalah, klik menu Start - All Programs - Accessories-System Tools - Disk Defragmenter.

5. Sebelum men-defrag, cobalah untuk menggunakan fungsi 'Analyze' terlebih dahulu. Hasil dari fungsi Analyze akan menunjukkan apakah komputer Anda perlu di-defrag atau tidak.

6. Mac buatan Apple disinyalir tidak memerlukan fitur tersebut. Produk ini memiliki sebuah sistem yang mengurus defragment pada hard disk karena menggunakan partisi hard disk HFS dan HFS+. Berbeda dengan komputer biasa yang menggunakan partisi NTFS dan tidak memiliki sistem tersebut.

7. Jika pengguna Mac tetap ingin men-defrag hard disknya bisa menggunakan software iDefrag. Hasilnya berbeda-beda di setiap pengguna, ada yang merasa komputer terasa lebih cepat, namun ada juga yang tidak merasakan dampak apapun.

Kesimpulannya, bagi Anda pengguna Windows, Disk Defragmenter merupakan fitur yang sangat penting. Jika Anda menyepelekannya, komputer atau laptop Anda akan semakin terasa lambat dan spesifikasi yang tertanam di dalamnya tidak dapat berfungsi secara maksimal.

Saturday, May 14, 2011

Computer Networking Fundamentals

Computer Networking
A computer network is a collection of two or more computers with communication between them through a medium. The communication medium can be through radio waves, wires, infrared, optical fibers etc.

Computer network is an integral part of our daily lives, with the most important reason being that of communication. The use of computer networking is to share resources like fax machines, printers, modems, files etc., and its other uses are database server, computer server, email, chat, internet etc. The computer to which the resources are attached is called the server and the other computers that access the resource are called clients. In peer-to-peer computer networks there are no servers.

The sharing of fax machines, printers, and modems amongst many computers and users reduce the operational cost. A database on a computer network is a very important application as it stores and runs many important data and jobs. Emails and chats can be used for instantaneous communication and sending of files on a computer network.

The computer networks are classified, depending upon the size, as Local Area Networks (LAN), Wide Area Networks (WAN), Metropolitan Area Networks (MAN) and Personal Area Networks (PAN). The topology (topology is the way the computer networks and network resources are connected) of the networking can be classified as Bus Network, Ring Network and Star Network.

The networking hardware basically consists of wiring, network cards and a hub. Computer network cards are required so that one computer can understand what the other computer is "talking". Network cards have a unique MAC address to identify computers on a computer network. Hubs connect all the computers in the network. Hubs can also be used to connect to other hubs to increase the size of the computer network. Two computers can be connected using Ethernet cards or phone lines or power lines for communication, with hardware kits available at roughly a cost of $100.

As the number of computers in an office or a home increases, so do the number of cables, so wireless networking is a viable solution. In wireless networking radio transreceivers or infrared signals are used to communicate between computers and devices. Examples of wireless networking include Wi-fi and Bluetooth technology, though there may be security issues involved in wireless networking. However there definitely is a stronger preference towards wireless networking nowadays among consumers.

Computer networks have added a new dimension to the 21st century. Today the cyber world is much faster and wider than the real world. This has all been made possible due to computer networks. Computer networks have revolutionized business, communication, travel, research, defense, society and almost all human endeavors. The evolution of computer networks has helped the technological revolution take a big leap forward.

Friday, May 13, 2011

Agar Flashdisk Kebal Virus

Cuma colok sebentar, tahu-tahu sudah tertular. Bagaimana sih membuat flashdisk bisa kebal dari penularan virus?

Mari kita simak terlebih dahulu mengapa penyebaran virus bisa begitu cepat. Sumber permasalahan adalah fasilitas autorun yang ada di sistem operasi Windows. Sebenarnya, autorun yang ada sejak era Windows XP memiliki niat baik, yaitu memudahkan pengguna. Setiap kali kita memasukkan media eksternal (baik CD/DVD atau flashdisk), file autorun.inf di dalam media eksternal tersebut langsung berjalan agar isi di dalamnya bisa langsung dimainkan. Contohnya ketika Anda memasukkan CD musik, Windows langsung menjalankan Windows Media Player atau Winamp.

Namun niat baik tersebut ternyata dimanfaatkan para pembuat virus untuk menularkan virus. Dengan memodifikasi file autorun.inf, virus bisa langsung berjalan dan menularkan program jahat setiap kali flashdisk tertancap di komputer. Bisa pula sebaliknya: komputer langsung menularkan virus file autorun.inf ke setiap flashdisk yang pernah tertancap.

Lalu, bagaimana solusinya? Menilik cara kerja penularan virus, konsepnya sederhana. Di sisi komputer, jaga agar file autorun tidak usah berjalan. Sedangkan di sisi flashdisk, pastikan autorun tidak pernah bisa dimodifikasi. Untuk melakukan kedua hal tersebut, cara gampangnya adalah dengan menggunakan aplikasi seperti BitDefender Immunizer atau Panda USB Vaccine. Kedua aplikasi ini akan melindungi komputer maupun flashdisk dari penularan virus. Caranya seperti kami sebut di atas: menonaktifkan autorun di komputer, sekaligus melindungi file autorun.inf dari modifikasi si pembuat virus.

Kedua aplikasi ini gratis, jadi silakan unduh dan gunakan secara gratis. BitDefender Immunizer bisa diunduh di sini, sementara Panda USB Vaccine di alamat sini. Cara menggunakannya mudah saja. Jalankan aplikasi tersebut, lalu mereka akan mendeteksi apakah fasilitas autorun di komputer Anda aktif. Jika iya, aplikasi tersebut akan menawarkan Anda untuk mematikan fasilitas tersebut (dan sebaiknya Anda lakukan).

Setelah itu, Anda tinggal imunisasi flashdisk yang hendak Anda lindungi. Pilih flashdisk dari menu yang ada, lalu tekan Immunize atau Vaccine. Sesaat kemudian, file autorun.inf di flashdisk Anda akan diganti dengan yang baru dan kebal penularan. Jangan khawatir, file pekerjaan, kuliah, dan file penting lain di dalamnya tidak ada yang diubah kok. Nah, gampang kan membuat flashdisk Anda kebal virus?

Sumber

Wednesday, February 2, 2011

Broadband Internet: What You Need To Know

Broadband Internet involves using a high speed modem. This allows you to access information on the internet very quickly, so it is commonly referred to as high speed Internet. Broadband Internet can be in the form of DSL, cable, or satellite. As the popularity of the internet exploded in the early 2000's, Broadband Internet emerged, offering computer users something better. It was quite expensive at first but has become more affordable. Today it is featured around the world.

If you are still using dial up Internet connections then you may be wondering what all the hype is about. After all, it does get you connected to the internet as well! Most people switch their home Internet service to Broadband after experiencing the difference between the two while accessing the internet on their office computer. You can go to a public library as well to try a computer with Broadband Internet for a couple of hours, and then decide which one you would rather have.

DSL is the most common type of Broadband Internet connection. DSL stands for Digital Subscriber Line. It allows high volumes of data to be transmitted quickly. Some rural areas have cable that offers Broadband connections. One downside of it is that all the customers share a certain amount of bandwidth so you can find your Broadband Internet functioning slowly at times. Cable companies try to avoid this by adding additional connections as the number of customer's increases. A satellite Broadband connection works the same way.

Broadband Internet has become very popular because it offers so many advantages over dial up Internet access. It is up to 10 times faster. This means you can access information on the Internet almost the instant you click on it. Since it doesn't operate on your phone line, you can still take phone calls while being connected to the internet. This also means you won't get disconnected in the middle of something or not be able to get online during peak hours.

Many people choose to watch movies and videos on the internet. Having Broadband Internet allows you to download them or view them quickly as it doesn't take long to buffer them. Listening and downloading music is another popular feature of the internet that works well with Broadband Internet service.

Broadband Internet can be purchased from a variety of providers. It is becoming a popular feature of Internet service providers as well as cable providers. This is a great opportunity for you to get a package deal on cable services and Broadband Internet. You will save money over having them at two separate providers. Broadband Internet costs more than dial up internet service, but it is well worth the speed you get for accessing the internet.

All three Broadband Internet connections work very well. You should make your choice after comparing what is available in your area. Next compare the prices and the installation charges. Many Broadband providers run periodic promotions where they will do the installation for free. This is a great way to save money. You should also ask your friends and family what Broadband Internet provider they use and their experiences. You want a Broadband Internet provider that offers great prices and excellent customer support.

The newest wave of communication is the Voice Over Internet Protocol, known as VOIP, it allows you to speak to people all over the world with unbelievable clarity. It is used by businesses because it offers a great solution for conference calls. The charges are often billed as a local call rather than long distance. For anyone who makes a great deal of long distance calls for leisure or business, this is the perfect phone solution. However, VOIP requires a Broadband Internet connection to function.

Monday, January 24, 2011

Patch Management Software

The widely publicized attacks and vulnerabilities to software system have lead to the development of patch management. It discovers and defenses your system against vulnerabilities. Many organizations with pro-active security patch management in place are not affected by these attacks, as they get the information in advance of the attack.

Patch management software allows you to scan, detect, assess, and remediate any security vulnerability on your network. The software identifies the threat and provides you with tools to remediate vulnerabilities and install missing patches. Patch management software determines footprints, perform vulnerability analysis and reports, and define domain, machine and location inventories.

The advantages of patch management are – documentation, defines domain, establishment and link speed between locations. Patch management software has become one of the fastest growing segments of software market, as they are designed specifically to test and deploy fixes for software defects and alter any security vulnerabilities. Patch management tools don’t just automate rolling out patches but help to prevent many problems. Sachs Consulting offers patch management solution that is cost effective and reliable.

Depending on the number of systems in an organization and the seriousness of their operation, the workflow elements of a patch management tool becomes important due to its ability to deliver the patches. The first part of the patch management process is to determine the vulnerable system. Next step is to make sure that the patches will work and they won’t break other software. Finally the patches come out of the machine.

Patch management tools also ensure that the new systems on the network, such as mobile users connecting from a laptop, are quickly brought up to proper patch level. And if a patch turns out to cause more problems then the vulnerability it fixes, patch management tools help to remove or roll back the offending fix. However, the first line of defense for the average network agency is still well enforced user policies and standardized system. Patch management can at least help system administrators to keep focus on those while taking the grunt work of patch management off their hands.

Thursday, January 20, 2011

Fruit Flies Help Solve Computer Problem

Fruit flies have solved a computing problem that has vexed computer scientists for decades. Mimicking how some nerve cells in flies pick a leader to make decisions has led scientists to a computer algorithm that could make wireless sensor networks, such as those used for monitoring volcanic activity or controlling swarms of robots, much more efficient.

In such smart networks, some sensors can act as leaders to alert headquarters if, for example, a certain number of them detect rumblings indicating that a volcano might be waking up. The new approach, published in the Jan. 13 Science, achieves the same leader-follower relationships but eliminates a lot of cross-talk among sensors, saving energy and computing power.

A colleague's presentation on how nerve cells in fruit flies take on different jobs struck computational biologist Ziv Bar-Joseph as being very similar to a distributed computing problem. In distributed computing, many computer processors work together toward a common goal, but with minimal leadership. A handful of processors -- typically ones with many neighboring processors -- are designated leaders and set up to receive information from the processors around them and pass it on.

"People in computer science made assumptions about what sensors need to know," says Bar-Joseph, a researcher at Carnegie Mellon University in Pittsburgh who led the new work. But developing cells set up their networks without knowing much about their neighbors, he says. "They work in a much more constrained environment and still come up with solutions."

Similarly, when fruit fly larvae are developing, some cells take on particular tasks, such as becoming a precursor of the sensory bristles the flies use to read the air around them. Each bristle ends up surrounded by nonbristle cells. This layout, where there are enough specialized cells, or leaders, but no two are right next to each other, is very similar to how tasks are divvied up in distributed networks, says Bar-Joseph.

For 30 years, computer scientists had thought that to most efficiently designate a handful of processors as leaders that can quickly communicate with the rest of the network, each processor had to take stock of its local neighborhood. Then some processors would identify themselves as leaders, based in part on how many connections they have with other processors.

Young fruit fly nerve cells don't necessarily know how many cells are in their neighborhood, yet they manage to develop into appropriately distributed sensory bristles. Once a cell elects itself as a bristle, it sends out a protein signal that inhibits neighboring cells from becoming bristles.

The flies' trick lies in using timing instead of a neighborhood census to determine which cell becomes a bristle, Bar-Joseph and his colleagues report. As time passes, if a cell hasn't received a don't-become-a-bristle directive, it becomes a bristle, as simple as that. The new algorithm shows that networks of sensors could do the same, without spending time and energy gathering all that information on how many sensors are nearby, says Bar-Joseph.

"Now you don't need to know about the neighborhood," says Bar-Joseph. "Each sensor can be close to five or 500 sensors and it doesn't need to know anything."

The approach is "a delight" says Mark Fricker of the University of Oxford in England who is using slime mold behavior to build more efficient networks. "They have taken a very well-established biological developmental system and shown that it can be recast in a computational framework to solve an existing problem efficiently and effectively."

Discoverynews.com

Tuesday, December 21, 2010

Online virtual web hosting

Virtual hosting is a method which enables servers to host more than one domain name on the same computer, sometimes on the same IP (internet protocol) address. Simply put, one will possess his own identity, but he will not be required to maintain the equipment in the case of virtual web hosting.

Usually, there are two methods of accomplishing virtual hosting. The first one is name-based and the other one is IP-based. Name-based virtual hosts actually use multiple host names for the same web-server IP address. With browsers that support HTTP, upon connecting to a web-server, the browser sends the address that the client typed into the browser’s URL bar. The server is able to use this information to determine which website/page to show to the client. In the latter (IP address based), each site points to a unique IP address and the web server is configured with multiple physical network interfaces which can also obtain the address the TPC connection was aimed for using a standard API. There are no compatibility issues as the client is not involved in this process.

It becomes much harder to access a virtually hosted website if the DNS (Domain Name System) does not function properly. Normally in this case, the user could try and fall back to using the IP address to contact the system but the web browser does not know what host name to send when this occurs. Hence, the server is most likely to respond with a default website, often not the anticipated site of the user. It is not that useful for an average web user but may be beneficial to a site administrator while fixing DNS records. Adding the IP address and host name to the client system’s host file is a good thing to do in this case. At this point, accessing the server with the domain name is most likely to work again. The users, however, should be careful as any changes made to the true mapping between IP address and host name will be overridden by the local setting. Another problem with this kind of hosting is the inability to host more than one secure websites running SSL (Secure Sockets Layer). Running IP aliasing or multiple web server programs is a pretty good way to handle this issue.

Virtual web hosting is commonly used in a greater magnitude in companies whose business model is to provide economical website hosting for customers. A big chunk of such web hosting service websites are hosted on shared servers using virtual hosting technology. Some businesses make optimum use of this technology by keeping different intranets and extranets separate from each other for internal security reasons.

Online virtual hosting packages are very common these days which offer a professional look for personal and small business websites. Usually, the monthly charges of these virtual hosting accounts range from fifteen to thirteen dollars. Additional fees are charged with the inclusion of advanced features such as SSL functionality or database software.

How to Sell Used Computers

Many people sell their used computers for a variety of reasons. Some sell their used computer instead of throwing them as a trash get some money from them, while others sell their used computers to buy new computers with the latest features and technology. Not only individuals sell their used computers, but also large numbers of organizations or firms sell their used computers. They do so because the computer systems may require maintenance and repairs, after some time due to the decrease in performance seen in the computers after some years. Instead of spending more money on the maintenance and repairs they sell and gain money, as there is a great demand for used computers. Such companies easily sell their used computers online through auctions or exchange for new computers with less effort in no time.

Used computers are bought by either students who do not have good savings or earnings or they are bought by educational institutions like the schools and universities. Some parents buy used computers for their children just for browsing the Internet and to play games. For this purpose, a used computer is more than sufficient than spending huge amounts on a new computer. These target segments however require used computers in a good working condition as well as for a lesser price. Most of the used computers are sold in the online market, as it attracts all sorts of buyers. There are many numbers of online classifieds or auctions or online dealers who sell used computers. Selling used computers are a better option than throwing them as trash or keeping them in a corner occupying space and collecting dust.

The first and important step is to improve the appearance of the used computer by wiping it clean free of dust and dirt. Any buyer would get impressed by the way the computer looks, looks make the first impression. The selling price of a clean used computer is always better than the one, which is full of dirt and dust.

All the software manual, operating system and other supporting discs that came with the computer should be in tact. This will add more value, when selling the used computer and also will make the buyer consider the person who is selling the used computer as a trusted seller.

The most important thing to do before selling a used computer is to erase all the personal details or information from the hard disk or drive. Instead of just putting them in the trash folder it is very important to purge all the personal data from the computer’s memory, even invisible backup files can cause danger. A tech savvy person’s help can be got if the seller does not know how to do it. If not done it may lead to accessing the bank accounts, or emails by any unknown person leading to identity theft. For that when there is a remedy. Unused scanners, printers can also be bundled with the sale of the used computer. A buyer may sometime value it. The benefits or features of the computer can be highlighted for better sales.

Wednesday, November 17, 2010

Computer Network Advances your Business Growth

The advent of computers these days contribute to the growth of many business companies. It makes transactions and communication with people easier for entrepreneurs, employees and clients. With the growth of the internet, business opportunities gradually expand. However, computers do not only give many opportunities for businesses. It also gave birth to the advancement of technological devices.

Routers are one of the most commonly used devices today. It is a device that facilitates connection between two or more wireless computer networks. It receives and passes information from one computer to another by deciphering IP (Internet Protocol) addresses. It is vital in establishing a wireless internet connection within a certain place. However, in certain cases, routers are used for security purposes by employing a firewall.


Routers are usually used in establishing computer networks for many residential and commercial establishments. Often, computer-based companies use a router in creating a network within their workplace. This enables easy and faster communication. A computer network also gives people the convenience of file sharing and large storage capacity.

Computer networks are also cost-efficient compared to other software sold in the market. Software made available through computer networks can be accessed through a certain server and there is no need to buy many software copies for different workstations. Moreover, maintaining a computer network is easy. In houston computer network support companies are helping out many businesses start up their own computer network.

A secured computer network needs top-notch infrastructure and devices to cope up with the increasing number of data theft. Houston network support companies provide excellent security facilities to deny unauthorized access in confidential files stored in servers. They address different security issues by implementing excellent firewall and security systems on all your workstations.

Entrepreneurs do not need to worry about certain technological advancements that would only take advantage of their business. Computer network does not only give business companies the convenience of fast communication and easy accessibility. It also increases the production of the employees as they are provided with technology that can make their work easier. Like many companies in houston network support and technical assistance should always be observed when building a computer network for your business.

Friday, October 15, 2010

Protect Your Computer from Virus

As more and more people are becoming comfortable using their computers at school, home or in the office. It's only a matter of time before they encounter a computer virus. Here are some steps to protect you from computer viruses.

Use a high quality anti-virus program. There are many different anti-virus computers programs on the market some of them are better than others. Look to reputable computer magazines or websites for ratings to help you find the one that matches your needs.

Always use your anti-virus software. Make sure your anti-virus software is always turned on and scanning, incoming and outgoing email messages, and any software programs you run.

Keep your antivirus programs up to date. Most programs come with a yearly subscription make sure you take advantage of the updates. More advanced programs allow you to schedule updates or full system scans for "off hours" like 2AM when you aren't likely to be using your computer.

Keep your computer up to date. From time to time operating systems fall victim to security holes or issue updates. Make sure you check periodically to make sure you are running stable up to date versions of your software.

Backup your data regularly. Most windows computer users keep their documents in the "My documents" folder. This makes it easy to back up all of your important documents. Make weekly or monthly copies to CD or USB drives.

If you use floppy disks or USB drives on public computers like your school computer lab, Kinko's, or even digital photo printing store make sure you scan them for viruses. Public computers are notorious for not being up to date and properly protected.

Be wary of email attachments. Treat any email attachment as potentially dangerous. Never open attachments from people you weren't expecting. Also be careful of attachments from people you know but weren't expecting. Many computer viruses replicate themselves by reading the contacts from an infected computer.

Use text email if possible. While HTML email is prettier and allows you more control over formatting it also can carry computer viruses. If you use text based email the only way to get a virus is by opening an attachment.

Use downloaded freeware and shareware files or software with caution. Try to download them from popular reputable sources that scan the programs before they are uploaded. To make sure you are safe scan the program before you install it on your computer.

Be wary of links in IM or instant messaging software. Don't accept invitations from people you don't know and never click a link from someone you don't trust, they can easily redirect you to another website that will try to install a virus on your computer system.

Advantages of PHP Development

PHP Hypertext Processor is a server-side web programming language that can be embedded into HTML. PHP uses are widespread, and can include any kind of server functionality that takes user's input and displays or manipulates the input. PHP can run on both UNIX and Windows servers, which makes it more accessible than Windows (ASP). This scripting language is growing day by day. PHP5 a fully object oriented language and its platform independence and speed on Linux server helps to build large and complex web applications.

PHP is a particularly useful programming language because it allows for advanced programming and is easy to integrate with web pages. Another plus of PHP is that the language interfaces very well with MySQL, a popular type of online database. MYSQL is a commercial grade database application that is made available free under the Open Source to anyone. Another plus of PHP is that it is Open Source Code.

The actual code that is PHP is available to the public for free, while the source code for products such as ASP is not. So PHP is very cheap. Because PHP is open source, there is a large community of PHP programmers that help each other with code. This means PHP programmers can rely on each other by using reusable pieces of code called functions and classes rather than constantly reinventing the wheel. This can dramatically cut down on production time.

PHP is based on C++ language and the syntax used in PHP is quite similar to C/C++. C/C++ is still considered the best programming language by many programmers and people who love this language would surely feel more comfortable with the syntax of PHP.

PHP and MySQL are excellent choice for webmasters looking to automate their web sites. Now search spiders "see" all the content on a PHP page, the same way it is viewed in a browser. The creation of a php-shopping cart is surprisingly simple and when done with precision it could translate into a highly effective and universally accepted php-shopping cart.

Monday, October 4, 2010

How to Remove Malware Defense Completely

Malware Defense is one of the newest threats to computer users, but what makes this threat so bad is because of how aggressive the spyware program is. Malware Defense is one of the most aggressive fake antispyware programs around, which makes it one of the most dangerous ones around as well. The biggest problem with this rogue program is that it targets people who have little to no knowledge about computer threats and how they work.

Malware Defense is very similar to other computer threats from the past. In fact, this spyware threat is almost an exact clone of Security Guard, Security Antivirus, and My Security Engine. Malware Defense infects your computer through a Trojan Horse because that is the easiest method due to how many people install things onto their computer without another thought.

During the installation of Malware Defense, the program will create file folders on your computer, but these files are harmless. The reason that the files are created is because they are used for the program to detect as malware to make you think your computer has been infected. How this spyware threat works is that every time Windows is started a scan commences that shows you that your computer has been infected with malware. The main goal of this fake antispyware program is to convince people to buy the program by making them think their computer is infected with malware. What you need to realize is that the only problem on your computer is Malware Defense! Besides the fake scan and fake infection report, this rogue program will display fake popup alerts such as

System alert
Suspicious software which may be malicious has been detected on your PC. Click here to remove this threat immediately -using Malware Defense

Again, ignore these alerts and remove this spyware immediately. If you are familiar with removing files from your computer, including altering your Windows registry, you can manually remove Malware Defense yourself. In order to know what files and registry entries need to be removed all you need to do is a quick search online. The only danger about manually removing Malware Defense is if you make one mistake your Windows Operating System might not boot up again, which can be a very expensive fix. To reduce the risk of making a mistake you can either use the tool called SmitFraudFix or you can run a legitimate antispyware program to remove the threat from your computer. Keep in mind that using a legitimate antispyware program will help protect your computer from future attacks!

Do not wait for your system to be further compromised, Remove Malware Defense now! Once your computer is infected with this spyware it is crucial to remove it as soon as possible.

What Is A Flash drive?

Flash drive means a small storage device used for transporting of files from one computer to another. The flash drive appears slightly bigger than the stick of gum, and then also this device can carry all your homework for an entire year. Using a Flash Drive is always an amazing experience. What we used to store in paper piles now just consumerating into a small world of flash drive that is also for years unless you dont removed them. Anyone can use flash drive and also very comfortably.

If you are creating some paper work or other work, then simply plug your flash drive into a USB port. As a result the USB port will appear on the back of a desktop computer's PC tower or on the side of a laptop. You will also find that many computers are set up to give an audible notice like a chime when you plugged a new device in. This is a inbuilt feature of the computer and also very normal process after inserting the device. Not only this even when you opt to save your work by selecting "Save As," then will find that your flash drive appears an an additional drive also.

Now you can carry the backup of your work or datas anywhere and everywhere with the induction of flash drive. With the introduction of flash drive the world of storing datas from piles of files to a small device has come into a nutshell. Flash drive is making its importance among professionals, software engineers and varied other fields today. You can also count it as a handy tool. You can carry it very comfortably by putting in your pockets or purses. You can consult to an expert for better usage of flash drive and also about its safety and protection. Its also required tokeep in touch with the latest updates of flash drive industry.

Thursday, September 30, 2010

How Can Cloud Computing Impact a Business ?

Technology has put forth many new possibilities for the businesses to explore from. Internet has been one of the most amazing inventions of all, making many things possible which weren't earlier possible. It is due to the availability of internet in every nook and corner of the world that cloud computing has become possible. Cloud computing is basically the outsourcing of all the software and hardware requirement resources to a company. The company which is providing the service will be charging for the facility provided.

There are a lot of useful benefits that can be derived out of cloud computing for all the different kinds of businesses involving computer hardware and software in their systems. Businesses were earlier tied up in maintaining the resources of hardware and software which required a lot of their attention. By using cloud computing businesses would be able to direct their focus on more useful and core operations relating the business, instead of wasting their energy at something which can be taken care of by someone else.

Cloud computing companies have huge computing power as well as storage capacities. This has enabled the companies to get more benefits from the continuously upgraded hardware gear and software applications. The cloud computing provide unmatched storage capacity, which businesses usually can't have because of the high cost. The systems offered by the cloud computing are more flexible in adapting to the changing requirements of the organizations. Hardware and software setup of an organization however is difficult to maintain and keep up with the increasing number of people. As the system is very large in resources, it is easy to change its dynamics and even the processes involved much easily then a setup by an organization. It eliminates the great costs of remote computing and collaboration, which are high to setup for an organization. Usually the cloud computing is setup by highly professional organizations, which ensure that your data is secure and no irrelevant party can access your data with your consent.

It is very difficult to setup new offices when your business expands. One of the most important aspects of cloud computing is that it has no effect of people geographically dispersed and far away from each other. In spite of all the benefits mentioned above cloud computing is being adopted with some hesitation by big as well as small companies. The real impact of cloud computing is still to be seen, where a lot of giants of software and hardware products are eyeing the trends to enter into it, to make big bucks from it.

Wednesday, June 30, 2010

Virus "Luna Maya" Bikin Heboh

Pembuat virus iseng melahirkan sebuah virus yang dijuluki 'Luna Maya'. Virus yang meledek penggemar video porno ini juga membuat komputer jadi 'buka-bukaan' dan 'goyang kanan-kiri'.

Keberadaan virus 'Luna Maya' disampaikan Alfons Tanujaya, analis antivirus dari Vaksincom, kepada detikINET, Rabu (30/6/2010). Virus ini terdeteksi sebagi Trojan dengan nama Suspicious_Gen2.LBTU oleh Norman Security Suite.

Analis antivirus Adi Saputra dari Vaksincom menuturkan beberapa dampak virus 'Luna Maya' ini pada komputer korbannya: Pertama, adalah munculnya ledekan bagi penggemar video porno berupa sebuah jendela Pop Up dengan tulisan 'dasar!! otak bokep...'


Kedua, gejala 'buka-bukaan' akan ditampakkan oleh komputer. Ini berupa terus terbukanya drive CD/DVD-ROM, meskipun ditutup secara manual ia akan selalu terbuka kembali.

Ketiga, menu 'Start' di Windows akan bergoyang kanan-kiri, alias terus berubah posisinya dari sisi kanan ke sisi kiri. Tentunya, ujar Adi, hal ini akan menyulitkan pengguna saat memakai Windows.

Gejala keempat, fungsi klik pada Mouse akan berubah dari klik kiri menjadi klik kanan dan sebaliknya. Tombol pada keyboard pun akan terpengaruh oleh aksi sang virus.

Masih belum cukup, virus ini juga melakukan sabotase pada fungsi Windows tertentu. Termasuk di antaranya adalah Task Manager dan menu 'Run..'. Komputer pun bisa menjadi lambat dan bahkan hang secara mendadak akibat sang virus.


Gejala berikutnya, virus ini akan membuat mati fungsi jam/waktu pada Windows. Lalu, secara tiba-tiba, komputer yang jadi korban bisa mati alias Shutdown tanpa peringatan.

Drive USB pun jadi korban virus ini dengan membuatnya menjadi tidak terbaca. Jika mencoba membuka drive USB, akan muncul perintah untuk memformat drive tersebut.

Virus yang menyebar lewat file bernama 'Luna Maya' ini juga akan mematikan beberapa aplikasi Windows. Termasuk di antaranya adalah Notepad, Windows Media Player dan Internet Explorer.

[Sumber : vaksin.com]