11th class Computer unit 6 MCQs
26. The example of antivirus is:
a. Worm
b. McAfee
c. Logic bomb
d. Trojan horse
27. Which is harmful for computer?
a. Free ware
b. Antivirus
c. Shareware
d. Virus
28. A program that detects the viruses, called:
a. Antivirus
b. Virus
c. Shareware
d. Groupware
29. Format C is an example of:
a. Trojan horse
b. Antivirus
c. Redlof
d. Logic bomb
30. The secret word or number used for protection is called:
a. Password
b. Biometric data
c. Private files
d. Backup
31. Which is not cause of virus?
a. Pirated software
b. E-mail
c. Logic bomb
d. Network
32. How a virus reaches from one computer to another?
a. Exchange of keyboard
b. Data is exchanged between computers
c. Exchange of printer
d. Exchange of display screen
33. Another name for free software is:
a. Public domain software
b. Encrypted software
c. Shareware
d. Copy protected software
34. Which of the following is not an antivirus program?
a. Dr. Salmon
b. Redlof
c. McAfee
d. Norton
35. Which is the following is a biometric technique for person identification?
a. Finger print
b. Access card
c. PIN
d. Password
36. Which is the following is not antivirus program?
a. McAfee
b. NOD 32
c. Logic bomb
d. Dr. Dalman
37. An other name for antivirus software is:
a. Vaccine
b. Worm
c. Redlof
d. Trojan horse
38. Which virus executes when starting the computer?
a. Trojan horse
b. Boot sector
c. Redlof
d. Logic bomb
39. Checking a computer program for error is called:
a. Correcting
b. Bugging
c. Running
d. Debugging
40. A computer virus is a:
a. Hardware
b. Disease
c. Bacteria
d. Software
41. A virus that deletes all the microsoft office files from the dist is called:
a. Vccine
b. Chernobal virus
c. Bomb
d. Worm
42. A special program that can detect and remove viruses from computer is called:
a. Groupware
b. Virus
c. Custom
d. Anti-virus
43. McAfee is an example of:
a. Hacker
b. Virus
c. Worm
d. Anti-virus
44. Which of the following is not cause of virus?
a. Pirated software
b. E-mail
c. Logic bomb
d. Networks
45. Which of the following is harmful for computers?
a. Shareware
b. Antivirus
c. Freeware
d. Virus
46. Which of the following one is not a virus?
a. McAfee
b. Trojan Horse
c. Reflof
d. Logic Bomb
47. Which of the following is compute virus?
a. Redlof
b. Chernobyl
c. Logic Bomb
d. All
48. The virus which deletes MS Office files and disk partition information is called:
a. Logic Bomb
b. Book sector
c. Trojan horse
d. Chernobyl
49. Which of the following viruses executes when starting the computer?
a. Boot sector
b. Macro
c. Salami shaving
d. File infector
50. Which malicious program is activated when a specific set of conditions are met?
a. Worm
b. Trojan horse
c. Logic bomb
d. Virus