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 131:

  In SQL, which command is used to remove a stored function from the database?

  Options:
  A) REMOVE Function
  B) DELETE function
  C) DROP function
  D) ERASE Function
  Show Answer
  The correct answer is C .
• Question 132:

  Hexadecimal numbers are a mixture of

  Options:
  A) Octal and decimal numbers
  B) Binary and octal numbers
  C) Letters and decimal digits
  D) Binary and decimal numbers
  Show Answer
  The correct answer is C .
• Question 133:

  Which of the following isn't used to navigate in a computer?

  Options:
  A) Cursor
  B) Keyboard
  C) mouse
  D) Scanner
  Show Answer
  The correct answer is D .
• Question 134:

  A light sensitive device that converts drawing, printed text or other images into digital form is

  Options:
  A) keyboard
  B) Plotter
  C) Scanner
  D) OMR
  Show Answer
  The correct answer is C .
• Question 135:

  Firefox is an example of __________

  Options:
  A) System software
  B) Application package
  C) Application software
  D) Computer tools
  Show Answer
  The correct answer is C .
• Question 136:

  Microsoft PowerPoint is a ________________ application

  Options:
  A) presentation software
  B) graphing
  C) productivity software
  D) gaming
  Show Answer
  The correct answer is A .
• Question 137:

  What generation of computer is characterized by the use of vacuum tubes for circuitry and magnetic drums for main memory?

  Options:
  A) second generation
  B) fourth generation
  C) first generation
  D) third generation
  Show Answer
  The correct answer is C .
• Question 138:

  What is the function of firewall?

  Options:
  A) Service provider
  B) Cyber security
  C) Internet browser
  D) Storage device
  Show Answer
  The correct answer is B .
• Question 139:

  _________ are programmes that affect the effectiveness of a computer system.

  Options:
  A) bugs
  B) virus
  C) anti virus
  D) none of the above
  Show Answer
  The correct answer is B .
• Question 140:

  When does the output of a NAND gate =1?

  Options:
  A) whenever a 0 is present at an input
  B) only when all input =0
  C) whenever 1 is present at an input
  D) only when all input =1
  Show Answer
  The correct answer is A .