cpu and registers + von newman

Question 1

MAR

Answer 1

memory address register -

holds address of where the data is to be fetched or stored

Question 2

MDR

Answer 2

memory data register - holds the data fetched from, or to be written to memory

Question 3

PC

Answer 3

PC - program counter - holds the address of the next instruction to be executed in memory

Question 4

Accumulator

Answer 4

Acc - holds the result of the calculations

Question 5

CU

Answer 5

control unit - executes the instructions /controls signals and timings

Question 6

ALU

Answer 6

algorithmetic logic unit - performs calculations and logical operations

Question 7

clock speed

Answer 7

number of instructions per second ( 1 hz is 1 billion instructions)

Question 8

cache size

Answer 8

fast temporary storage and data in cpu

Question 9

cores

Answer 9

a complete copy of a cpu

Question 10

embedded machine

Answer 10

computer system with a dedicated function within a larger mechanical system

Question 11

instruction register

Answer 11

stores instruction to be decoded