registers Flashcards
1
Q
What is the program counter
A
holds the address of the next instruction to be executed
2
Q
whats the mar
A
holds the address of a location that is to be read from or written to
3
Q
whats cir
A
holds the current instruction being executed
4
Q
whats the mdr
A
Temporarily stores data that has been read or data to be written
5
Q
Acc
A
Stores the results from the calculations
