| Date | May 2019 | Marks available | 2 | Reference code | 19M.1.HL.TZ0.5 |
| Level | HL | Paper | 1 | Time zone | no time zone |
| Command term | Outline | Question number | 5 | Adapted from | N/A |
Question
Outline one advantage of using virtual memory.
Outline one disadvantage of using virtual memory.
Markscheme
Award [2 max].
Award [1] for an advantage and [1] mark for an outline.
Allows more applications to run than there is available physical memory;
By the use of page/swap files/part of hard disk as primary memory;
Larger application can run with less real RAM;
Award [2 max].
Award [1] for a disadvantage and [1] mark for an outline.
Applications run more slowly;
Uses hard drive memory as primary memory / takes more time to switch between applications;
When a computer's virtual memory resources are overused /Reduced amount of hard drive space available for your use;
programs lock-up/do not run/disk thrashing;
Examiners report
Poorly answered by majority of the candidates: virtual memory was confused with cloud storage.
Poorly answered by majority of the candidates: virtual memory was confused with cloud storage.
