JAMB Computer Studies questions: Computer security, ethics and safety

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

1. Question 1· Computer security, ethics and safety· JAMB

   Hacking means

   • Arepairing computers
   • Bgaining unauthorised access to computer systems
   • Ctyping fast
   • Ddesigning websites

   Show answer

   Explanation and discussion

2. Question 2· Computer security, ethics and safety· JAMB

   Plagiarism is

   • Acreating original work
   • Bpresenting another person's work as one's own
   • Cciting sources
   • Dbacking up files

   Show answer

   Explanation and discussion

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

   Spyware is software that

   • Aprotects the computer
   • Bsecretly collects information about a user
   • Cspeeds up the CPU
   • Dprints documents

   Show answer

   Explanation and discussion

4. Question 4· Computer security, ethics and safety· JAMB

   Nigeria's law against hacking, cyberstalking and similar offences is the

   • AElectoral Act
   • BLand Use Act
   • CCybercrimes (Prohibition, Prevention, etc.) Act 2015
   • DCompanies and Allied Matters Act

   Show answer

   Explanation and discussion

5. Question 5· Computer security, ethics and safety· JAMB

   A program that copies itself and damages files on a computer is

   • Aa compiler
   • Ba virus
   • Ca browser
   • Da device driver

   Show answer

   Explanation and discussion

6. Question 6· Computer security, ethics and safety· JAMB

   Two-factor authentication requires

   • Atwo different proofs of identity, such as a password and a code
   • Btwo passwords written on paper
   • Ctwo computers
   • Dtwo users

   Show answer

   Explanation and discussion

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

   A strong password should

   • Abe shared with friends
   • Bbe your own name
   • Cbe 1234
   • Dmix letters, numbers and symbols

   Show answer

   Explanation and discussion

8. Question 8· Computer security, ethics and safety· JAMB

   Unwanted advertising e-mail sent to thousands of people at once is called

   • Aspam
   • Ba firewall
   • Ca backup
   • Da cookie

   Show answer

   Explanation and discussion

9. Question 9· Computer security, ethics and safety· JAMB

   Ransomware

   • Abacks up files
   • Bcleans viruses
   • Cencrypts a user's files and demands payment
   • Dupdates software

   Show answer

   Explanation and discussion

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

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

    • Adata backup
    • Ba legal act
    • Ccopyright registration
    • Da cybercrime

    Show answer

    Explanation and discussion

11. Question 11· Computer security, ethics and safety· JAMB

    Antivirus software should be

    • Aused only offline
    • Bnever updated
    • Cuninstalled after a week
    • Dupdated regularly

    Show answer

    Explanation and discussion

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

    Encryption protects data by

    • Adeleting it
    • Bturning it into a code that only authorised people can read
    • Cprinting it
    • Dcompressing it

    Show answer

    Explanation and discussion

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

    A Trojan horse is

    • Aan antivirus
    • Ba firewall
    • Cmalware disguised as useful software
    • Da backup

    Show answer

    Explanation and discussion

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

    A computer worm differs from a virus in that it

    • Aspreads by itself across networks without attaching to files
    • Bneeds a host file always
    • Cis harmless
    • Dis hardware

    Show answer

    Explanation and discussion

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

    Repetitive strain injury (RSI) can result from

    • Ausing a stand
    • Bgood posture
    • Cshort computer use
    • Dlong periods of typing without breaks

    Show answer

    Explanation and discussion

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

    Using copies of software without a licence is

    • Aencryption
    • Bsoftware piracy
    • Cdebugging
    • Dnetworking

    Show answer

    Explanation and discussion

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

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

    • Abacking up
    • Bformatting
    • Cbooting
    • Dcompiling

    Show answer

    Explanation and discussion

18. Question 18· Computer security, ethics and safety· JAMB

    Plagiarism means

    • Awriting code
    • Bbacking up files
    • Cencrypting data
    • Dpresenting someone else's work as your own

    Show answer

    Explanation and discussion