Question

What is a computer virus and harmful effects of different computer virus?

Answer 1

Like the same, computer virus infects your programs and files on your PC. Yes, it is an executable program which affects the normal operation of the computer by damaging the contents of the hard disk.

It could cause frequent computer crashes, delete files, weakens computer memory and even reformat the hard drive.

Macro Virus

A macro virus is a type of email virus which mainly targets to infect the programs that contain Macros like Microsoft Office files or all the similar types of files such as doc, pps, xls, MDB, etc.

Memory Resident Virus

Memory resident virus automatically fixes themselves in the computer memory, and if the operating system starts to run, it gets activated.

It is hidden out in the memory of the computer and allocates space to execute its code. It can easily corrupt the files that are recently used.

These type of virus affects the

Answer 2

A computer virus is a malicious software program loaded onto a user's computer without the user's knowledge and performs malicious actions.

Harmful effects of computer virus

-computer virus can slow down your computer.

-might corrupt your system files.

-might make some programs faulty or corrupt.

-might damage your boot sector creating problems when you boot into the windows.

-might steal important information from your computer and send to some other person.

-might change the power ratings of your computer and could blast the system.