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 21:

  Which part of a processor contains the hard ware necessary to perform all the operations required by a computer?

  Options:
  A) Data path
  B) Controller
  C) Registers
  D) Cache
  Show Answer
  The correct answer is A .
• Question 22:

  Total types of data that can be read by document reader are

  Options:
  A) marks
  B) handwritten and printed characters
  C) printed lines
  D) all of the above
  Show Answer
  The correct answer is D .
• Question 23:

  What is debugging?

  Options:
  A) Preventing bugs from getting to the computer
  B) inserting errors into the program
  C) finding and removing errors from a computer
  D) finding and removing errors from a program
  Show Answer
  The correct answer is D .
• Question 24:

  

  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 25:

  Which among the following generation computers had expensive operation cost?

  Options:
  A) First
  B) Second
  C) Third
  D) Fourth
  Show Answer
  The correct answer is A .
• Question 26:

  The explorer bar is divided into _________ categories.

  Options:
  A) 2
  B) 3
  C) 5
  D) 7
  Show Answer
  The correct answer is B .
• Question 27:

  Encryption helps with what?

  Options:
  A) Spam messages
  B) identify source of message
  C) Safe delivery of messages to destination without being accessed by a third party
  D) interpretation of message and digital data
  Show Answer
  The correct answer is C .
• Question 28:

  How are the stages of SDLC implemented?

  Options:
  A) Randomly, without overlapping
  B) sequentially, without overlapping
  C) sequentially with overlapping
  D) randomly with overlapping.
  Show Answer
  The correct answer is B .
• Question 29:

  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 30:

  What is a computer file.

  Options:
  A) A computer program
  B) A document like bunch of text
  C) A place on a computer where information is stored in a package
  D) A physical paper document that entails how a computer works
  Show Answer
  The correct answer is C .