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Computer MCQs

Page 26 of Computer multiple-choice questions with answers. Tap an option to check yourself.

Page 26 of 35

Question 501 Computer Fundamentals and History

Which type of computer works essentially by counting?

Correct answer D. Digital computer

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Question 502 Computer Fundamentals and History

Who developed the first electronic computer?

Correct answer D. J.V. Attansoff

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Question 503 Computer Security and Viruses

Which term refers to electronic trespassing or criminal hacking?

Correct answer C. Cracking

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Question 504 Computer Security and Viruses

What term describes any crime carried out through the use of computer technology?

Correct answer D. Computer crime

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Question 505 Computer Security and Viruses

Which device should be used to prevent data loss during a power failure?

Correct answer A. UPS

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Question 506 Computer Security and Viruses

What is the scrambling of code or data known as?

Correct answer A. Encryption

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Question 507 Computer Security and Viruses

What is the hardware or software that protects a computer network from unauthorised access called?

Correct answer B. Firewall

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Question 508 Computer Security and Viruses

Which tool is most commonly used to restrict access to a computer system?

Correct answer A. Passwords

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Question 509 Computer Security and Viruses

What is the measurement of features such as fingerprints and retinal patterns, used for security access, called?

Correct answer D. Biometrics

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Question 510 Computer Security and Viruses

What is an application that collects information about a user and sends it to someone over the Internet called?

Correct answer A. Spybot

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Question 511 Computer Security and Viruses

What is a logic bomb called when it is triggered by a time-related event?

Correct answer C. Time bomb

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Question 512 Computer Security and Viruses

What eventually brings a worm to a halt?

Correct answer C. Memory or disk space

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Question 513 Computer Security and Viruses

Which type of malicious program uses computer hosts to reproduce itself?

Correct answer D. Worm

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Question 514 Computer Security and Viruses

In 1999, the widely publicised Melissa virus was what type of virus?

Correct answer D. E-mail virus

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Question 515 Computer Security and Viruses

What is a deliberately disruptive program that spreads from program to program or from disk to disk called?

Correct answer B. Virus

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Question 516 Computer Security and Viruses

What is a program called that carries out a useful task while also permitting destructive actions?

Correct answer C. Trojan horse

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Question 517 Computer Security and Viruses

What is the general term for malicious software?

Correct answer A. Malware

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Question 518 Computer Security and Viruses

What is the crime of gathering someone’s personal information and pretending to be that person called?

Correct answer A. Identity theft

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Question 519 Computer Security and Viruses

What is the common name for the crime of stealing passwords?

Correct answer A. Spoofing

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Question 520 Computer Security and Viruses

Who is the typical computer criminal?

Correct answer C. Trusted employee with no criminal record

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