Date | May 2018 | Marks available | 2 | Reference code | 18M.1.SL.TZ0.2 |
Level | SL | Paper | 1 | Time zone | no time zone |
Command term | Outline | Question number | 2 | Adapted from | N/A |
Question
Outline the role of the memory data register in the machine execution cycle.
Markscheme
Holds (a copy of) the contents of the memory;
Which are to be transferred from/to memory to/from other CPU components;
Allowing the processor and memory to act independently/processor not affected by differences in the speed of operation;
Examiners report
[N/A]