Fetch Execute Cycle Flash Cards

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

Resource summary

	Created by s42360 about 9 years ago