INTRODUCTION TO MICROPEOCESSOR
MICRO PROCESSOR AND MICRO CONTROLLER
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
What is the order decided by a processor or the CPU of a controller to execute an instruction?
|
|
decode, fetch, execute
|
|
|
execute, fetch, decode
|
|
|
fetch, execute, decode
|
|
|
fetch, decode, execute
|
Explanation:
Detailed explanation-1: -The correct answer is Fetch instruction, Decode instruction, Read operands, Execute instruction and Store data.
Detailed explanation-2: -Fetch – gets the next program command from the computer’s memory. Decode – deciphers what the program is telling the computer to do. Execute – carries out the requested action. Store – saves the results to a Register or Memory.
Detailed explanation-3: -Ans : The instruction cycle consists of four phases: fetching an instruction from memory, decoding the fetched instruction, reading the address from memory, and finally, instruction execution. The computer processor carries it out.
There is 1 question to complete.