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 11:

  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 12:

  Another word for booting is

  Options:
  A) starting
  B) restarting
  C) loading
  D) running
  Show Answer
  The correct answer is A .
• Question 13:

  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 14:

  The process of feeding instructions into the computer system is called

  Options:
  A) Processing
  B) Accessing
  C) Inputting
  D) Outputting
  Show Answer
  The correct answer is C .
• Question 15:

  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 16:

  The Domain name of a website is also its__________

  Options:
  A) IP address
  B) TCP address
  C) Database system
  D) Network server
  Show Answer
  The correct answer is A .
• Question 17:

  What is the shortcut for performing warm booting ?

  Options:
  A) y pressing the Ctrl + Alt keys simultaneously
  B) y pressing the Ctrl + Alt + F1 keys simultaneously
  C) y pressing the Ctrl + Del keys simultaneously
  D) by pressing the Ctrl + Alt + Del keys simultaneously
  Show Answer
  The correct answer is D .
• Question 18:

  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 19:

  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 .
• Question 20:

  Evaluate ${1011}_2+{122}_4$, leaving your answer in base 10.

  Options:
  A) 37
  B) 51
  C) 47
  D) 73
  Show Answer
  The correct answer is A .