Question

In which cycle the memory is read and the contents of memory at the address contained in the PC regtister are loaded into into IR.


Decode Cycle


Fetch Cycle


Execution Cycle


Memory Cycle

Answer 1

Answer:

The cycle in which the memory is read and the contents of memory at the address contained in the PC register are loaded into the IR is the Fetch Cycle (OPTION-B).

Explanation:

The CPU or the central processing unit is the main arena of workload processing in a computer. The CPU is designed to understand a set of 'instructions' provided to it and execute actions based on them.

These instructions are loaded into the memory of the PC. Whenever the PC is booted/commanded to execute an action, the CPU fetches the definite set of instructions from the directory, decodes the instructions, and executes the action based on the operations.

This cycle is known as the 'fetch cycle' since the fetching of information based on the instructions given is done and processed by the PC.

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