WHAT IS COMPUTER VIRUS?
Computer virus (vital information resource under seize) is a small piece of program that causes damage to the other program by changing their environment.
Example a virus might attach itself to a program such as a spreadsheet program. Each time the spreadsheet program runs, the virus runs too and it gets the chance [...]

Mostly people confuse the term computer Trojan with computer virus. They think that both of these are same. No doubt they both infect your computer but they both have slightly different characteristics. Trojan is a malicious program that cannot replicate itself like the computer virus but can cause serious security problems. It appears as a [...]

There can be many reasons for your computer running slow. By removing these problems you can speed up your computer. Some people think that their computer is getting slower because it is old now. But this is not the reason. Your computer should be as fast as it was on its first day. There are [...]

Like other physical components of computer such as monitor and mouse, keyboard also comes under the category of hardware devices. Working of the keys of computer keyboard can be easily understood. It works as a pen for us while using word processor. When we write in a notebook or on a page we use pen [...]

Sometimes your computer freezes while you are working on it. Mouse, keyboard stops responding moreover everything on the screen stop suddenly. There is only one way to deal with this problem is to restart the computer. Nothing else can be done; proper shut down is also not possible. You have to lose all the work [...]

Almost all the internet and computer users have noticed many times that their computer is running slow than the normal speed but they are not aware of the exact reason behind this. There are many reasons for your computer getting slow.
BACKGROUND PROGRAMS
Some programs may be running in the background that do not allow the main [...]

Computer is an electronic device used in almost every field even where it is most unexpected. That is why this age is called as the era of IT. And now we cannot imagine a world without computers. It is made up of two things one is the hardware and other is software. All physical components [...]

It is a computer program that has written intentionally and can attach itself to the disk boot sectors or any other programs. The virus is placed in the programs that are most widely and commonly used so that it can spread very fast. Whenever you run that particular program, virus also runs and can attach [...]

To a buy a computer we have to look for certain things according to our need, necessity and budget. These are: – processor speed random access memory (RAM) storage capacity of hard disk, graphics capability etc.
First of all decide that whether you want to buy a laptop or a desktop. According to your budget and [...]

In general we can say that software is a set of programs, procedures and documentation that have the ability to do some particular tasks on the computer system. Whereas all the physical components of the computer for e.g.:- the input storage, processing control and the output devices are known as hardware. When all these physical [...]

Almost all the internet users are sending billions of e-mails every day because it is a very easy and cheap way of communication but have we ever thought that how it works?
Earlier we had to send letters for the communication which took some days to reach the desired place while e-mail reaches just with a [...]

Since the year 1969 internet has grown from four computers to millions of computers. Internet is not owned by a particular person or a company instead it is a collection of small and big networks. When these networks connect to each other then it is called internet. Internet came from the idea of interconnected networks.
First [...]

Internet was not invented by a single person or company. It was developed by a team of experts. These developments and ideas about the internet started nearly a quarter of century back.
Development of internet started in 1957 when Sputnik I (the first satellite) was launched by Soviet Union. American’s felt threat by this and thought [...]