registers

Question 1

What is the program counter

Answer 1

holds the address of the next instruction to be executed

Question 2

whats the mar

Answer 2

holds the address of a location that is to be read from or written to

Question 3

whats cir

Answer 3

holds the current instruction being executed

Question 4

whats the mdr

Answer 4

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

Question 5

Acc

Answer 5

Stores the results from the calculations