CPU Flashcards
1
Q
WHAT IS A CPU?
A
IT IS THE CENTRAL PROCCESSING UNIT.THE CPU PREFORMS OPERATIONS BY RAPIDLY EXECUTING PROGRAMS INSTRUCTIONS.
2
Q
HOW A COMPUTER PROCCESSORS WORK?
A
first and instruction is fetched from memory.
second the instruction is decoded and the processor figures what it is being told.
thirdly the instruction is executed and and instruction is formed.
3
Q
what are the three steps of the CPU control unit ?
A
decode-execute-fetch
