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 1:

  What does CO stand for in COBOL?

  Options:
  A) common object
  B) common
  C) computer oriented
  D) common operating
  Show Answer
  The correct answer is B .
• Question 2:

  The two types of operating system are

  Options:
  A) command line and graphical user interface
  B) translators and assemblers
  C) system software and application software
  D) UNIX and LINUX
  Show Answer
  The correct answer is A .
• Question 3:

  What is the function of firewall?

  Options:
  A) Service provider
  B) Cyber security
  C) Internet browser
  D) Storage device
  Show Answer
  The correct answer is B .
• Question 4:

  

  The logic gate in the figure above is

  Options:
  A) XNOR gate
  B) NOT gate
  C) XOR gate
  D) OR gate
  Show Answer
  The correct answer is C .
• Question 5:

  Which of the following is used for modulation and demodulation ?

  Options:
  A) Gateway
  B) Protocol
  C) Modem
  D) Multiplex
  Show Answer
  The correct answer is C .
• Question 6:

  What part of the central processing unit coordinates other units and manages the computer resources ?

  Options:
  A) coordinating unit
  B) Memory unit
  C) Arithmetic Logic unit
  D) Control unit
  Show Answer
  The correct answer is D .
• Question 7:

  The number of input combination for a 4 input gate is ______

  Options:
  A) 9
  B) 8
  C) 15
  D) 16
  Show Answer
  The correct answer is D .
• Question 8:

  Files that maintain the hierarchical structure of the file system.

  Options:
  A) Descriptors
  B) Directories
  C) Modifiers
  D) Relative files
  Show Answer
  The correct answer is B .
• Question 9:

  Which of the following is termed as the minimum error code?

  Options:
  A) binary code
  B) gray code
  C) excess 3 code
  D) octal code
  Show Answer
  The correct answer is B .
• Question 10:

  Another word for booting is

  Options:
  A) starting
  B) restarting
  C) loading
  D) running
  Show Answer
  The correct answer is A .