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Q: What is the meaning of fetch an instruction?
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What is opcode fetch?

The process of transferring instruction codes from memory location to instruction queue register is called opcode fetch.


What is the name of the cycle in which an instruction is taken from memory and loaded into the instruction register?

Fetch


What happens to ip after completion of fetch of instruction code?

IP is incremented after fetch of instruction opcode. Specifically, IP is incremented by the number of opcode bytes.


Explain steps involve in instruction execution cycle?

The two-phase process for executing instructions on a typical CPU involves a fetch step and an execute step. Fetch is where the instruction is loaded from memory and execute is where the actions detailed in the instruction are carried out.


define the Fetch-Execute cycle?

the Fetch-Execute cycle is the process by which a computer retrieves a programmed instruction from its memory, determines what actions the instruction dictates, and carries out those actions.


What are the phases of instruction cycle?

There are four phase of an instruction cycle namely: fetch; indirect; execute; write.


What are the different phases of instruction?

There are four phase of an instruction cycle namely: fetch; indirect; execute; write.


What do you mean by 0000H?

This is the fetch instruction that the CPU takes for executing.


What is the necessity to use opcode fetch cycle for every instruction?

The microprocessor uses an opcode fetch cycle for every instruction because it has to know the opcode in order to execute it, and that is located in memory.


What do Fetch Decode and Execute mean in a microprocessor?

Fetch Decode Execute. This is the cycle that processors will follow. Fetch the Instruction, Decode it into machine code, Execute the commands


Demonstrate a correct understanding of the fetch execute cycle of microprocessor?

The fetch-execute cycle of a typical microprocessor involves fetching an instruction from memory, determining what actions the instruction requires it to do, and performing those actions. It is also simply called the Instruction Cycle.


What are the different phases in instruction execution explain?

Instruction execution can be divided into five phases. These are Phase-I: INSTRUCTION FETCH (IF) II: INSTRUCTION DECODE & OPERAND FETCH (ID) III: EXECUTION (EX) V: MEMORY OPERATION (MEM) V: WRITE BACK (WB) - Regards, Subhradip Das