Pelstar Forum

Random access memory (RAM) is the best known form of computer memory. RAM is considered "random access" because you can access any memory cell directly if you know the row and column that intersect at that cell. The opposite of RAM is serial access memory (SAM). SAM stores data as a series...

If you've ever switched from a desktop computer to a laptop, the experience can be liberating. While some might enjoy having a single space in which to work at a computer and organize files both physical and digital, a desktop can also keep you feeling anchored to the spot. It relies on electrical o...

Because we all hear news of computer technology getting faster and faster, we expect a lot when we purchase a new desktop. We figure from the moment we start up the system, everything will be fast and easy. Running applications and switching between several programs will take no time at all, and the...

Most Internet cookies are incredibly simple, but they are one of those things that have taken on a life of their own. Cookies started receiving tremendous media attention back in 2000 because of Internet privacy concerns, and the debate still rages. On the other hand, cookies provide capabilities th...

Has your computer ever become so slow that you can fix yourself a snack in the time it takes your word processor to open? Perhaps spyware is to blame. Spyware is a category of computer programs that attach themselves to your operating system in nefarious ways. They can suck the life out of your comp...

If you have been using the Internet for any length of time, and especially if you work at a larger company and browse the Web while you are at work, you have probably heard the term firewall used. For example, you often hear people in companies say things like, "I can't use that site because th...

Is your PC giving you heartburn? Are programs acting funny? Is the Clock gaining or losing time? Is the Calendar on your computer showing the wrong day? The answer to these headaches could be quite simple so let's explore. Keep Time. Throw Away The Dead Battery. 1. Step 1 Turn off your computer and ...

Getting a fatal computer error can be frustrating and confusing. Fixing these errors is not so much a matter of technically understanding exactly what happened, but understanding what to do to prevent it from happening again. Fatal exceptions usually stop a program from working altogether, so you wi...

If your computer won't turn on and the fan in the back of the power supply does not spin, never fear. The computer repair can be done by your for little money. All you need to do is replace the computer power supply. You can purchase a good 300 watt replacement power supply for between $15 and $25 w...

A computer freezes up or stop running for many reasons. Take a few deep breaths and take in this information. These ideas will assist you when your computer freezes, assuming it is a relatively minor problem and not a major repair. 1. Step 1 Save your work often. If you are on the Internet often, sa...

Depending upon what is wrong with your Dell computer, there are a variety of ways you can go about having it fixed. Dell computers are nice because they have built-in alerts that pop up in your taskbar (on the bottom of the screen) when it senses a problem. This can often alert you to a problem befo...

A computer repair technician maintains and repairs all aspects of computers and servers. They work on hardware, software, and computer networks. Technicians work in a variety of settings and conditions. The overall accuracy, dependability, and effectiveness of computers and servers are in the hands ...

As virus creators became more sophisticated, they learned new tricks. One important trick was the ability to load viruses into memory so they could keep running in the background as long as the computer remained on. This gave viruses a much more effective way to replicate themselves. Another trick w...

Virus authors adapted to the changing computing environment by creating the e-mail virus. For example, the Melissa virus in March 1999 was spectacular. Melissa spread in Microsoft Word documents sent via e-mail, and it worked like this: Someone created the virus as a Word document and uploaded it to...

A worm is a computer program that has the ability to copy itself from machine to machine. Worms use up computer time and network bandwidth when they replicate, and often carry payloads that do considerable damage. A worm called Code Red made huge headlines in 2001. Experts predicted that this worm c...