register s

Question 1

program counter

Answer 1

stores the adress of the next instruction to be executed

Question 2

memory adress register

Answer 2

hold the adress of the location that is to be read from or written too

Question 3

memory data register

Answer 3

temporarily stores data that has been read or data that has to be written

Question 4

what is the acumulator

Answer 4

stores the results from the calculations

Question 5

what is the current instruction register

Answer 5

holds the current instruction being executed