CPU💻

Question 1

PURPOSE OF CPU (3 words)

Answer 1

fetch decode and execute instructions

Question 2

use of CACHE

Answer 2

stores frequently used instructions

Question 3

use of ARITHMETIC LOGIC UNIT

Answer 3

preforms arithmetic calculations and logical decisions

Question 4

use of ACCUMULATOR

Answer 4

stores results of arithmetic calculations

Question 5

use of MEMORY DATA REGISTER

Answer 5

data written to and from the main memory

Question 6

use of PROGRAM COUNTER

Answer 6

stores next instruction ready to be used

Question 7

use of MEMORY ADDRESS REGISTER

Answer 7

stores location of the next address to be fetched

Question 8

use of CONTROL UNIT

Answer 8

decodes instructions sends signals to other components on how to respond

Question 9

3 programming constructs

Answer 9

sequence
selection
itteration

Question 10

characteristics that affect performance of CPU

3 C’s

Answer 10

clock speed
cores
cache

Question 11

number of cores use

Answer 11

acts as brain of cpu
executes instructions
multi core processor

Question 12

cache size use

Answer 12

stores instructions

acts as inter mediary between cpu and main memory

Question 13

clock speed use

Answer 13

controls rate in which cycles are processed every second

Question 14

what is a register?

Answer 14

location within the CPU stores addresses and data which can be accessed quickly