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JAMB and WAEC Computer Studies questions: Computer security, ethics and safety

40 questions with answers and explanations. Tap an option to check yourself.

AllJAMBWAEC
All topicsAlgorithms and flowcharts · 39Application packages · 46Computer hardware and the CPU · 41Computer networks and the internet · 45Computer security, ethics and safety · 40Data processing and information · 40Evolution of computing · 42Input and output devices · 40Logic gates and Boolean algebra · 39Memory and storage devices · 44Number systems and data representation · 47Programming languages and BASIC · 43Software and operating systems · 42

  1. Question 21· Computer security, ethics and safety· WAEC

    Malicious software that locks a user's files and demands payment to unlock them is

    Explanation and discussion

  2. Question 22· Computer security, ethics and safety· WAEC

    Encryption means

    Explanation and discussion

  3. Question 23· Computer security, ethics and safety· JAMB

    Ransomware

    Explanation and discussion

  4. Question 24· Computer security, ethics and safety· WAEC

    Which of these is the strongest password?

    Explanation and discussion

  5. Question 25· Computer security, ethics and safety· WAEC

    A message claiming to be from your bank asking you to 'verify' your PIN through a link is an example of

    Explanation and discussion

  6. Question 26· Computer security, ethics and safety· WAEC

    Making regular backups protects against

    Explanation and discussion

  7. Question 27· Computer security, ethics and safety· JAMB

    A person who accesses a system without authorisation to steal data commits

    Explanation and discussion

  8. Question 28· Computer security, ethics and safety· WAEC

    Phishing is

    Explanation and discussion

  9. Question 29· Computer security, ethics and safety· WAEC

    The Nigerian law that addresses computer crimes such as hacking is the

    Explanation and discussion

  10. Question 30· Computer security, ethics and safety· JAMB

    Antivirus software should be

    Explanation and discussion

  11. Question 31· Computer security, ethics and safety· WAEC

    A firewall protects a network by

    Explanation and discussion

  12. Question 32· Computer security, ethics and safety· JAMB

    Encryption protects data by

    Explanation and discussion

  13. Question 33· Computer security, ethics and safety· JAMB

    A Trojan horse is

    Explanation and discussion

  14. Question 34· Computer security, ethics and safety· JAMB

    A computer worm differs from a virus in that it

    Explanation and discussion

  15. Question 35· Computer security, ethics and safety· JAMB

    Repetitive strain injury (RSI) can result from

    Explanation and discussion

  16. Question 36· Computer security, ethics and safety· JAMB

    Using copies of software without a licence is

    Explanation and discussion

  17. Question 37· Computer security, ethics and safety· JAMB

    Keeping copies of important files so they can be restored if lost is

    Explanation and discussion

  18. Question 38· Computer security, ethics and safety· WAEC

    Making copies of files to restore them if data is lost is

    Explanation and discussion

  19. Question 39· Computer security, ethics and safety· JAMB

    Plagiarism means

    Explanation and discussion

  20. Question 40· Computer security, ethics and safety· WAEC

    Tricking people through fake emails into revealing passwords is called

    Explanation and discussion

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