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 61:

  At least how many keys is a keyboard made up of?

  Options:
  A) 105
  B) 107
  C) 101
  D) 103
  Show Answer
  The correct answer is C .
• Question 62:

  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 63:

  The connection between two or more computers to share resources or allow electronic communication is called ?

  Options:
  A) Connection
  B) Communication
  C) Transfer
  D) Network
  Show Answer
  The correct answer is D .
• Question 64:

  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 65:

  _______ is the process of finding errors and fixing them within a program.

  Options:
  A) Compiling
  B) Executing
  C) Debugging
  D) Scanning
  Show Answer
  The correct answer is C .
• Question 66:

  What is the difference between internal and external modem

  Options:
  A) external modems are PCI or ISA expansion cards while internal modems are traditionally plug into a serial port on the computer.
  B) internal modems are PCI or ISA expansion cards while external modems are traditionally plug into a serial port on the computer.
  C) external modems are PCI or ISA expansion cards while internal modems are USB modems
  D) they are PCI or ISA expansion cards
  Show Answer
  The correct answer is B .
• Question 67:

  The first stage of data processing activities is ?

  Options:
  A) Manipulation
  B) Collection
  C) Conversion
  D) Sorting
  Show Answer
  The correct answer is B .
• Question 68:

  Which of the memories must be refreshed many times per second?

  Options:
  A) EPROM
  B) ROM
  C) Static RAM
  D) Dynamic RAM
  Show Answer
  The correct answer is D .
• Question 69:

  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 70:

  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 .