Date | May 2021 | Marks available | 2 | Reference code | 21M.1.SL.TZ0.7 |
Level | SL | Paper | 1 | Time zone | no time zone |
Command term | Distinguish | Question number | 7 | Adapted from | N/A |
Question
Distinguish between a variable and a constant.
Markscheme
Award [2 max]
The value of a variable can change while value of a constant does not change;
During program execution/ during run-time / while stored in the memory;
Examiners report
Candidates generally achieved at least one mark for this question by recognising that a variable’s value would change but that the value of a constant would not. Those who were able to expand that point and say where this would happen, for example, during the execution of a program, also achieved the second mark.