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:

  _______ 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 22:

  ___ is the type of computer that is designed to operate on two states, 0 and 1.

  Options:
  A) Analog computer
  B) Hybrid computer
  C) Digital computer
  D) micro computer
  Show Answer
  The correct answer is C .
• Question 23:

  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 24:

  The delete permission allows one to ____________

  Options:
  A) share music
  B) delete or remove files and directories
  C) read files and directories
  D) modify files and directories
  Show Answer
  The correct answer is B .
• Question 25:

  The diagrammatic representation of an algorithm is

  Options:
  A) pseudocodes
  B) codes
  C) graphics
  D) flowchart
  Show Answer
  The correct answer is D .
• Question 26:

  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 27:

  A half byte is known as ________.

  Options:
  A) data
  B) bit
  C) half byte
  D) nibble
  Show Answer
  The correct answer is D .
• Question 28:

  The logical structure of the database can be depicted through its ______

  Options:
  A) Domain
  B) Data model
  C) Architecture
  D) Schemas
  Show Answer
  The correct answer is B .
• Question 29:

  Which of the following components of the computer is referred to as the administrative section ?

  Options:
  A) CPU
  B) Output unit
  C) Input unit
  D) Memory Unit
  Show Answer
  The correct answer is A .
• Question 30:

  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 .