A virus is ................ program.

• destructive

• constructive

• useful

• helpful

Computer virus is developed ............ to interfere with normal functioning of a computer.

• unknowingly

• intentionally

• faithfully

• mistakenly

A computer virus can spread through

• external storage device

• computer network

• internet

• all of above

Which of the following is not the symptom of computer virus?

• computer runs slowly.

• files disappear mysteriously.

• unusual sounds and music play.

• programs are installed accordingly.

Computer virus can ...............

• replicate itself.

• remove itself.

• make computer faster.

• fasten the internet speed.

Antivirus software is a ............. program.

• harmful

• destructive

• useful

• useless

Which of the following is not a antivirus software?

• Avast antivirus software

• Kaspersky antivirus software

• Linux antivirus software

• Norton antivirus software

Which of the following method does not protect the computer from being infected with virus?

• Scanning files after downloading.

• using pirated software.

• installing the latest security patch.

• scanning computer regularly.

................ software may contain viruses.

Software that detects and removes viruses is known as .................