Class- 6 | Chapter – 7 | Computer Virus | Computer Technology

Class- 6 | Chapter – 7 | Computer Virus | Computer Technology

1.   Tick (ü) the correct answer

a)________________ makes the computer run against the user’s instructions.

Answer |           ii. Virus

b)Virus can enter into a computer system through:

Answer | iv. All of these

c)You  can  use antivirus software to

Answer|  iv. All of these

d)Which  of  these  virus  infect  executable  program  files?

Answer|  iii. Program Virus

2.   Fill in the blanks

a)A computer Virus is a harmful program that can destroy data stored in a computer.

b)Viruses can spread through any portable storage medium like Pen drive.

c)A Trojon allows malicious intruders to access and alter your files.

d)Heuristic is a way used in Antivirus software to locate and remove computer viruses.

e)You can scan your computer system with Antivirus software to prevent and remove viruses from it.

1.   True/False Statements

a) Viruses can not harm files of a computer. False

b) Viruses can spread through e-mail attachments. True

c) A Trojan virus can replicate itself and decrease or increase the size of the files. True

d) Worms are also known as the e-mail viruses. False

e)Kespersky Internet Security 7.0 is an example of Antivirus Software. True