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 181:

  Which of the following is an example of output device

  Options:
  A) Keyboard
  B) Mouse
  C) speaker
  D) microphone
  Show Answer
  The correct answer is C .
• Question 182:

  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 183:

  _______ 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 184:

  In Microsoft Excel, sheet tabs can be renamed by ______

  Options:
  A) Double-clicking any column
  B) Double-clicking any row
  C) Double-clicking on the sheet tab; entering the new name
  D) Going to File, and clicking Save As
  Show Answer
  The correct answer is C .
• Question 185:

  Which number base system is used by low level languages

  Options:
  A) Duodecimal
  B) Binary
  C) Hexadecimal
  D) Decimal
  Show Answer
  The correct answer is B .
• Question 186:

  The arrow displayed on the screen of a computer is called

  Options:
  A) Pointer
  B) Arrow
  C) Cursor
  D) Indicator
  Show Answer
  The correct answer is C .
• Question 187:

  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 188:

  Which of the following monitors has only two colours

  Options:
  A) colour monitor
  B) colour graphic adapter (CGA)
  C) dichrome monitor
  D) monochrome monitor
  Show Answer
  The correct answer is D .
• Question 189:

  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 190:

  A set of moral principles that regulate the use of computers is called

  Options:
  A) cyber security guidelines
  B) computer ethics
  C) computer safety laws
  D) computer rules
  Show Answer
  The correct answer is B .