Computer virus can affect only _________.
Software
Hardware
Both Hardware and Software
None of these
Which is an example of macro virus?
Sasser
Relax
Crack
Cascade
What is a worm?
Program code written to enter a computer without the users permission
Program capable of copying itself from one computer to another.
Program which pretends to be beneficial program at first glance but damages the computer once it is run.
Which is the most common type of virus that infects computer system?
E-mail virus
Polymorphic virus
File infectors
Boot sector virus
What are the methods thorough which computer viruses are spread?
Sharing infected files saved on floppies.
Opening infected email attachments.
Downloading infected files from Internet.
All of these
Which among the following is an instruction that carries out commands automatically?
Mail merge
Macro
Email
Autofill
Which of the following refers to a program code written to enter a computer without the user’s permission?
Virus
Worm
Trojan Horse
None of above
Which software is used to detect and block viruses ?
Anti Virus
Adobe reader
System software
Which type of virus infects programs or executable files?
Macro virus
Which type of viruses is spread through email attachments?
