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The central working system of a computer used for data processing is the?

The central working system of a computer used for data processing is the?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Memory unit
  • B Monitor
  • C Floppy disk drive
  • D Hard drive
Correct Answer: Option B
Explanation:
Central processing unit (CPU), principal part of any digital computer system, generally composed of the main memory, control unit, and arithmetic-logic unit.

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