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 71:

  Which of these is not a job of the operating system

  Options:
  A) Stopping unauthorised users accessing files that do not belong to them
  B) Handling HTTP requests for Web pages
  C) Allocating memory to programs that are running on the computer
  D) none of the above
  Show Answer
  The correct answer is C .
• Question 72:

  How many different values can a bit have?

  Options:
  A) 2
  B) 4
  C) 10
  D) 256
  Show Answer
  The correct answer is A .
• Question 73:

  The type of computers that are designed to perform complex calculations extremely rapidly are called ?

  Options:
  A) supercomputer
  B) micro computers
  C) laptops
  D) mainframe computer
  Show Answer
  The correct answer is A .
• Question 74:

  The hexadecimal digits are 0-9 and A-_____

  Options:
  A) E
  B) F
  C) G
  D) D
  Show Answer
  The correct answer is B .
• Question 75:

  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 76:

  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 .
• Question 77:

  Computers manipulate data in many ways, and this manipulation is called ?

  Options:
  A) batching
  B) utilizing
  C) processing
  D) upgrading
  Show Answer
  The correct answer is C .
• Question 78:

  Computer Monitor is also known as

  Options:
  A) DVU
  B) UVD
  C) VDU
  D) CCTV
  Show Answer
  The correct answer is C .
• Question 79:

  Which of the following is not a type of computer network?

  Options:
  A) VPN
  B) CAN
  C) WLAN
  D) DAN
  Show Answer
  The correct answer is D .
• Question 80:

  What is the function of the escape key ?

  Options:
  A) to shutdown the computer
  B) to start an application
  C) to interrupt or cancel the current process or running program
  D) to delete a file/folder
  Show Answer
  The correct answer is C .