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 221:

  A 2-input gate that can be used to pass a digital waveform unchanged at certain times and inverted at other times is ___________

  Options:
  A) AND gate
  B) OR gate
  C) NAND gate
  D) XOR gate
  Show Answer
  The correct answer is D .
• Question 222:

  The super computers are mainly used for

  Options:
  A) Data retrieval operations
  B) Input-output intensive processing
  C) Manipulation of records
  D) Mathematical intensive scientific applications
  Show Answer
  The correct answer is D .
• Question 223:

  System software has which major function?

  Options:
  A) Giving utility
  B) making navigation easier for user
  C) controlling the computer system
  D) maintain the system
  Show Answer
  The correct answer is C .
• Question 224:

  An action performed in the GUI operating systems to hide a window but keep the program running in the background is ?

  Options:
  A) hide
  B) multitasking
  C) minimize
  D) maximize
  Show Answer
  The correct answer is C .
• Question 225:

  What kind of data is processed by an analog computer?

  Options:
  A) Discrete data
  B) Intermittent
  C) Discretely varying
  D) Continuously varying data
  Show Answer
  The correct answer is D .
• Question 226:

  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 227:

  Types of software programs are

  Options:
  A) Application programs
  B) replicate programs
  C) Logical programs
  D) both A and B
  Show Answer
  The correct answer is D .
• Question 228:

  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 229:

  Computers that are small and low cost are referred to as ?

  Options:
  A) mini computers
  B) small computers
  C) tablet computers
  D) micro computers
  Show Answer
  The correct answer is D .
• Question 230:

  From where can the name of a user account be changed?

  Options:
  A) Setting
  B) Computer name
  C) Code panel
  D) Control panel
  Show Answer
  The correct answer is D .