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 161:

  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 .
• Question 162:

  A permanent memory, which has data and instruction to start up the computer and does not erase data after power off.

  Options:
  A) network interface card
  B) CPU
  C) RAM
  D) ROM
  Show Answer
  The correct answer is D .
• Question 163:

  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 .
• Question 164:

  A half byte is known as ________.

  Options:
  A) data
  B) bit
  C) half byte
  D) nibble
  Show Answer
  The correct answer is D .
• Question 165:

  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 166:

  Which program translates programs to a simpler language that the computer can execute.

  Options:
  A) Compiler
  B) Interpreter
  C) Processor
  D) algorithm
  Show Answer
  The correct answer is A .
• Question 167:

  How many different values can a bit have?

  Options:
  A) 2
  B) 4
  C) 10
  D) 256
  Show Answer
  The correct answer is A .
• Question 168:

  Large computers are classified as

  Options:
  A) desktops
  B) micro computers
  C) mini computers
  D) mainframe computers
  Show Answer
  The correct answer is D .
• Question 169:

  What controls the way in which the computer system function and provides a means by which users can interact with the computer.

  Options:
  A) Application software
  B) Internet
  C) Operating system
  D) Control unit
  Show Answer
  The correct answer is C .
• Question 170:

  What tells the computer how to use its components?

  Options:
  A) utility
  B) application
  C) operating system
  D) network
  Show Answer
  The correct answer is C .