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Fetch Execute Cycle Flash Cards

Description

Flashcards on Fetch Execute Cycle Flash Cards, created by s42360 on 20/04/2015.
s42360
Flashcards by s42360, updated more than 1 year ago
s42360
Created by s42360 about 10 years ago
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Resource summary

Question Answer
Fetch Execute Cycle Step One The PC (Program Counter) contains the address of the net instructions to be fetched
Fetch Execute Cycle Step Two The address contained in the PC is copied into the MAR (Memory Address Register)
Fetch Execute Cycle Step Three The instruction in the MAR is copied and placed into the MBR (Memory Buffer Register)
Fetch Execute Cycle Step Four The entire instruction is placed from the MBR into the CIR (Current Instruction Register)
Fetch Execute Cycle Step Five The PC is incremented so that it points to the next instruction to be fetched
Fetch Execute Cycle Step Six The address part of the instruction is placed in the MAR
Fetch Execute Cycle Step Seven The instruction is decoded and executed
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