Top 100 Important Computer Mcqs Set-2 Page 4

Top 100 Important Computer Mcqs Set-2

61- Theft of personal information is called?

A. Spoofing

B. Identity theft

C. Hacking

D. Cracking

View Answer

Answer : B. Identity theft

Description

62- Malicious software is called?

A. Adware

B. Spyware

C. Malware

D. Firmware

View Answer

Answer : C. Malware

Description

63- A useful task with hidden harmful intent is called?

A. Virus

B. Worm

C. Trojan horse

D. Spyware

View Answer

Answer : C. Trojan horse

Description

64- A disruptive spreading program is called?

A. Virus

B. Worm

C. Trojan

D. Spyware

View Answer

Answer : A. Virus

Description

65- The 1999 virus was which type?

A. Macro virus

B. File virus

C. Boot virus

D. E-mail virus

View Answer

Answer : D. E-mail virus

Description

66- A self-reproducing virus is called?

A. Worm

B. Trojan

C. Spyware

D. Adware

View Answer

Answer : A. Worm

Description

67- A worm causes termination by consuming?

A. CPU power

B. Battery power

C. Memory or disk space

D. Network bandwidth

View Answer

Answer : C. Memory or disk space

Description

68- A time-triggered logic bomb is called?

A. Trojan

B. Worm

C. Time bomb

D. Virus

View Answer

Answer : C. Time bomb

Description

69- An application that sends user information is called?

A. Spybot

B. Adware

C. Trojan

D. Worm

View Answer

Answer : A. Spybot

Description

70- The measurement term for biological traits is?

A. Analytics

B. Metrics

C. Statistics

D. Biometrics

View Answer

Answer : D. Biometrics

Description

71- Which tool is used for access restriction?

A. Encryption

B. Firewall

C. Biometrics

D. Passwords

View Answer

Answer : D. Passwords

Description

72- A firewall is hardware or software that?

A. Detects viruses

B. Guards a network against unauthorized access

C. Encrypts data

D. Stores passwords

View Answer

Answer : B. Guards a network against unauthorized access

Description

73- Encryption is the process of?

A. Deleting data

B. Backing up data

C. Scrambling code to make it unreadable without a key

D. Compressing data

View Answer

Answer : C. Scrambling code to make it unreadable without a key

Description

74- UPS (Uninterruptible Power Supply) is a device used to?

A. Increase processing speed

B. Prevent data loss during power failures by providing backup power

C. Connect to the internet

D. Store data

View Answer

Answer : B. Prevent data loss during power failures by providing backup power

Description

75- Computer crime is defined as?

A. Any illegal activity carried out using computer technology

B. Any activity on the internet

C. Any hacking activity

D. Any software piracy

View Answer

Answer : A. Any illegal activity carried out using computer technology

Description

76- Cracking refers to?

A. Electronic trespassing or unauthorized hacking into computer systems

B. Breaking passwords

C. Spreading viruses

D. Copying software

View Answer

Answer : A. Electronic trespassing or unauthorized hacking into computer systems

Description

77- Who invented the first electronic computer?

A. Alan Turing

B. Dennis Ritchie

C. J.V. Atanasoff

D. Charles Babbage

View Answer

Answer : C. J.V. Atanasoff

Description

78- A digital computer operates by?

A. Counting analog signals

B. Counting discrete digital signals

C. Measuring continuous signals

D. Processing images

View Answer

Answer : B. Counting discrete digital signals

Description

79- A desktop is a small general-purpose microcomputer that is?

A. Smaller than a minicomputer

B. The same size as a mainframe

C. Smaller than a laptop

D. Larger than a portable computer

View Answer

Answer : D. Larger than a portable computer

Description

80- A monitor is which type of display device?

A. LED

B. LCD

C. Plasma

D. Cathode Ray Tube (CRT)

View Answer

Answer : D. Cathode Ray Tube (CRT)

Description