Fetch-Execute Cycle - Step 4

Inside the Computer Main Memory Address Contents 0000 00101011 0001 11101111 0010 10101001 0011 00000000 0100 10001011 0101 00011000 0110 11111111 0111 01100010 1000 00101000 1001 11110000 1010 10101011 1011 10111100 1100 11010000 1101 01000111 1110 01010011 1111 10001001 CPU     Control Unit Program Counter 0010 Instruction Register 11101111 Instruction Decoder     Arithmetic Logic Unit Adder Multiplier Compare to Zero Test Equality etc...

Note that the memory location 1110 now contains the "answer" 01010011. This completes the execution of one instruction. The last step in the fetch-execute cycle is... Step 4: Go back to step 1 and start over again!!! Click here to return to the hardware overview page.