O-LevelComputer ScienceProgramming2210/23 · Oct/Nov 2023 · Q74 Marks
A program uses both local variables and global variables. Describe two differences between local variables and global variables.
- A program uses both local variables and global variables. Describe two differences between local variables and global variables. Difference 1 Difference 2[4]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2023). The mark or mark type is shown in brackets.
- [4] one mark for first description one mark for matching difference max four local variables - scope is a defined block of code/subroutine/procedure/function global variables – scope is the whole program local variables - value cannot be changed elsewhere in the program global variables – value can be changed anywhere in the program
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