Multiple choice

Which of the following is another name for the primary storage unit?

  1. Main memory

  2. Secondary storage

  3. Auxiliary storage

  4. The control unit
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A Correct answer
Explanation

Primary storage unit and main memory are the same thing - the immediate access memory where programs and data are stored while being used by the CPU. Secondary storage (like hard disks) and auxiliary storage are permanent storage devices. The control unit is a processing component, not storage.

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