HARDWARE

Question 1

CPU

Answer 1

central processing unit
all instructions, data and interrupts handled by this one chip

Question 2

microprocessor

Answer 2

same role as A CPU
however a CPU can handle thousands of tasks as once where as a micro processor is built/made to do one task
FOUND IN EMBEDDED SYSTEMS ONLY and performs 1 DEDICATED TASK AND DOES NOTHING ELSE

Question 3

fetch cycle

Answer 3

PC- MAR - RAM

Question 4

PC? FDC

Answer 4

store the address(of the data in ram) FOR THE NEXT instruction

Question 5

MAR? FDC

Answer 5

stores the address OF THE DATA CURRENTLY BEING FETCHED AND PROCESSED BY THE CPU

Question 6

ADDRESS BUS

Answer 6

runs from the PC- MAR- RAM

Question 7

decode cycle

Answer 7

MDR- CU -(-CIR-)- ALU-(-ACC)

Question 8

MDR

Answer 8

REGISTER THAT STORE THE DATA OF THE CURRENT INSTRUCTION THAT WAS FROM THE RAM

Question 9

CIR

Answer 9

INSIDE THE CU and stores the data from the RAM-MDR TILL it is ready to be processed by the CU

Question 10

CU

Answer 10

component that has THE REGISTER CIR INSIDE IT
controls all the operations of the CPU and decodes the INSTRUCTIONS FROM THE RAM

Question 11

data bus?

Answer 11

from the RAM-MDR-CIR-CU

Question 12

ALU

Answer 12

a component within the CPU that handle calculations and executes instructions

Question 13

ACC

Answer 13

is the register that stores the result of any values or calculations that took place.

Question 14

factors that effect the speed/performance of a CPU