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WAEC Computer Studies 2025 Objective — Question 42

Question 42 of 50 from the West African Examinations Council (WAEC) Computer Studies 2025 Objective paper, with the correct answer and a full explanation.

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A desktop computer is switched on and the monitor displays an error message which reads: 'No input signal'. The likely cause of this error is:

  • A. A defective monitor
  • B. A disconnected VGA cableCorrect
  • C. Low memory
  • D. Power failure

Explanation

'No input signal' mostly means the cable connecting the computer to the monitor is disconnected or faulty.

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