Computer-Studies Exam Past Questions and Answers | JAMB, WAEC and NECO

Computer Studies covers general knowledge of computers, computing terms, and technologies. It focuses on building interest and confidence in using computers.

• Question 121:

  A device that sends and receives printed pages or images over telephone lines by digitizing the material with an internal optical scanner and transmitting the information as electronic signals is a

  Options:
  A) ATM
  B) scanner
  C) GSM
  D) fax machine
  Show Answer
  The correct answer is D .
• Question 122:

  In technical feasibility, the priority is ?

  Options:
  A) whether the probolem can be solved in the user's environment
  B) if the likely benefits outweight the cost of solving the problem
  C) whether the problem can be solved using existing technology and resources available
  D) whether the problem can be solved without causing any social issues
  Show Answer
  The correct answer is C .
• Question 123:

  In Boolean algebra, the bar sign (-) indicates ....................

  Options:
  A) OR operation
  B) AND operation
  C) NOT operation
  D) None of the above
  Show Answer
  The correct answer is C .
• Question 124:

  Which of the below-mentioned reasons do not satisfy the reason why people create a computer virus?

  Options:
  A) protection
  B) Identity theft
  C) pranks
  D) research purpose
  Show Answer
  The correct answer is A .
• Question 125:

  System software can further be classified into two. Operating software and ______________ software

  Options:
  A) Utility
  B) Storage
  C) Anti virus
  D) File management system
  Show Answer
  The correct answer is A .
• Question 126:

  Which of the following does not replicate itself in an infected computer?

  Options:
  A) spyware
  B) worm
  C) trojan horse
  D) virus
  Show Answer
  The correct answer is C .
• Question 127:

  What kind of data is processed by an analog computer?

  Options:
  A) Discrete data
  B) Intermittent
  C) Discretely varying
  D) Continuously varying data
  Show Answer
  The correct answer is D .
• Question 128:

  __________________ is the conversion of computer data from one format to another.

  Options:
  A) data conversion
  B) data implementation
  C) data transmission
  D) data transfer
  Show Answer
  The correct answer is A .
• Question 129:

  The process of finding and correcting errors in the program code is called ?

  Options:
  A) testing
  B) Debugging
  C) Editing
  D) coding
  Show Answer
  The correct answer is B .
• Question 130:

  What is the shortcut key to "undo" last action on a Microsoft word page?

  Options:
  A) Ctrl + A
  B) Ctrl + U
  C) Ctrl + X
  D) Ctrl + Z
  Show Answer
  The correct answer is D .