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 141:

  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 142:

  Which type of network can span several building, but is usually less than 30 square miles big?

  Options:
  A) CAN
  B) LAN
  C) MAN
  D) WAN
  Show Answer
  The correct answer is C .
• Question 143:

  What does ICT stand for?

  Options:
  A) information and community technology
  B) Internet and communication technology
  C) information and communication technology
  D) Internet access communication technologies
  Show Answer
  The correct answer is C .
• Question 144:

  Storage which retains data after power cut off is called.

  Options:
  A) Volatile storage
  B) Non-volatile storage
  C) Sequential storage
  D) Direct storage
  Show Answer
  The correct answer is B .
• Question 145:

  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 146:

  The memory unit receives data and information from which unit?

  Options:
  A) input unit
  B) output unit
  C) control unit
  D) arithmetic and logic unit
  Show Answer
  The correct answer is D .
• Question 147:

  The hexadecimal digits are 0-9 and A-_____

  Options:
  A) E
  B) F
  C) G
  D) D
  Show Answer
  The correct answer is B .
• Question 148:

  Encryption helps with what?

  Options:
  A) Spam messages
  B) identify source of message
  C) Safe delivery of messages to destination without being accessed by a third party
  D) interpretation of message and digital data
  Show Answer
  The correct answer is C .
• Question 149:

  A type of application software that combines the abilities of several general purpose applications in one program is ?

  Options:
  A) Graphics Packages
  B) Integrated Packages
  C) Multipurpose application
  D) Database management packages
  Show Answer
  The correct answer is B .
• Question 150:

  In Boolean algebra, the bar sign (-) indicates ....................

  Options:
  A) OR operation
  B) AND operation
  C) NOT operation
  D) None of the above
  Show Answer
  The correct answer is C .