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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
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  • A Monitor
  • B Floppy disk drive
  • C Hard drive
  • D Memory unit
Correct Answer: Option D
Explanation:
The central working system of a computer used for data processing is the memory unit. The memory unit (RAM) is where data and instructions are temporarily stored and processed during operations.

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