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WAEC Computer Studies questions

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

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All topicsAlgorithms and flowcharts · 21Application packages · 25Computer hardware and the CPU · 21Computer networks and the internet · 23Computer security, ethics and safety · 22Data processing and information · 22Evolution of computing · 23Input and output devices · 22Logic gates and Boolean algebra · 21Memory and storage devices · 23Number systems and data representation · 24Programming languages and BASIC · 22Software and operating systems · 22

  1. Question 101· Computer security, ethics and safety· WAEC

    Two-factor authentication improves security by requiring

    Explanation and discussion

  2. Question 102· Computer security, ethics and safety· WAEC

    A firewall is used to

    Explanation and discussion

  3. Question 103· Computer security, ethics and safety· WAEC

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

    Explanation and discussion

  4. Question 104· Computer security, ethics and safety· WAEC

    Encryption means

    Explanation and discussion

  5. Question 105· Computer security, ethics and safety· WAEC

    Which of these is the strongest password?

    Explanation and discussion

  6. Question 106· 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

  7. Question 107· Computer security, ethics and safety· WAEC

    Making regular backups protects against

    Explanation and discussion

  8. Question 108· Computer security, ethics and safety· WAEC

    Phishing is

    Explanation and discussion

  9. Question 109· Computer security, ethics and safety· WAEC

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

    Explanation and discussion

  10. Question 110· Computer security, ethics and safety· WAEC

    A firewall protects a network by

    Explanation and discussion

  11. Question 111· Computer security, ethics and safety· WAEC

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

    Explanation and discussion

  12. Question 112· Computer security, ethics and safety· WAEC

    Tricking people through fake emails into revealing passwords is called

    Explanation and discussion

  13. Question 113· Data processing and information· WAEC

    Verification of data entry can be done by

    Explanation and discussion

  14. Question 114· Data processing and information· WAEC

    Validation checks that data

    Explanation and discussion

  15. Question 115· Data processing and information· WAEC

    Entering the same data twice and comparing the two entries is

    Explanation and discussion

  16. Question 116· Data processing and information· WAEC

    Real-time processing is required for

    Explanation and discussion

  17. Question 117· Data processing and information· WAEC

    Checking that an age entered lies between 10 and 25 is a

    Explanation and discussion

  18. Question 118· Data processing and information· WAEC

    Batch processing is suitable for

    Explanation and discussion

  19. Question 119· Data processing and information· WAEC

    A collection of related fields describing one item, such as one student, is a

    Explanation and discussion

  20. Question 120· Data processing and information· WAEC

    Real-time processing is needed for

    Explanation and discussion

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