Multiple choice general knowledge science & technology

Which of the following parts of a computer makes use of primary memory?

  1. Storage Unit

  2. CPU

  3. Computer Output devices

  4. Mass Storage Devices
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B Correct answer
Explanation

The CPU (Central Processing Unit) makes direct use of primary memory (RAM) during program execution. The CPU fetches instructions and data from RAM, processes them, and writes results back to RAM. The storage unit, output devices, and mass storage devices are secondary to the CPU-RAM interaction during active processing.

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