Question

what is primary memory?how is difference from secondary memory?​

Answer 1

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Primary memory can be accessed by the data bus whereas Secondary memory is accessed by I/O channels. Primary memory data is directly accessed by the processing unit whereas Secondary memory data cannot be accessed directly by the processor.

Answer 2

Answer:

Primary memory

Primary memory is computer memory that is accessed directly by the CPU. This includes several types of memory, such as the processor cache and system ROM. ... RAM, or random access memory, consists of one or more memory modules that temporarily store data while a computer is running

difference from secondary memory

Primary memory can be accessed by the data bus whereas Secondary memory is accessed by I/O channels. Primary memory data is directly accessed by the processing unit whereas Secondary memory data cannot be accessed directly by the processor

Explanation:

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