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 31:

  Which of the following monitors has only two colours

  Options:
  A) colour monitor
  B) colour graphic adapter (CGA)
  C) dichrome monitor
  D) monochrome monitor
  Show Answer
  The correct answer is D .
• Question 32:

  Firefox is an example of __________

  Options:
  A) System software
  B) Application package
  C) Application software
  D) Computer tools
  Show Answer
  The correct answer is C .
• Question 33:

  For what does WAN stand?

  Options:
  A) World application network
  B) Wide area network
  C) Wide acreage network
  D) Work arrangement network
  Show Answer
  The correct answer is B .
• Question 34:

  Why is the base 10 system unique?

  Options:
  A) There are only 10 fingers to every human
  B) There are only 10 one digit numbers
  C) The number 10 has just 2 factors
  D) no specific reason.
  Show Answer
  The correct answer is A .
• Question 35:

  If the control unit controls other units of the CPU, which unit stores instructions,data and intermediate results.

  Options:
  A) Memory unit
  B) Arithmetic section
  C) Control unit
  D) Logic section
  Show Answer
  The correct answer is A .
• Question 36:

  The first computer made available for commercial use was

  Options:
  A) UNIVAC
  B) EDSAC
  C) Mark-1
  D) ENIAC
  Show Answer
  The correct answer is A .
• Question 37:

  A 2-input gate that can be used to pass a digital waveform unchanged at certain times and inverted at other times is ___________

  Options:
  A) AND gate
  B) OR gate
  C) NAND gate
  D) XOR gate
  Show Answer
  The correct answer is D .
• Question 38:

  At what stage in system development life cycle are all data documented in the form of detailed data flow diagrams(DFDs)

  Options:
  A) System design
  B) Feasibility study
  C) System analysis
  D) Investigative study
  Show Answer
  The correct answer is C .
• Question 39:

  What does an Operating System do?

  Options:
  A) Memory Management
  B) File Management
  C) Application Management
  D) All of the above
  Show Answer
  The correct answer is D .
• Question 40:

  What does R stands for in the CRUD acronym ?

  Options:
  A) Retrieve
  B) Redirect
  C) Read
  D) Relate
  Show Answer
  The correct answer is C .