O-LevelComputer ScienceProgramming2210/23 · Oct/Nov 2023 · Q36 Marks
Four pseudocode descriptions and five pseudocode keywords are shown. Draw one line to link each pseudocode description to the most appropriate pseudocode keyword. Not all pseudocode keywords will be used.
- (a)Four pseudocode descriptions and five pseudocode keywords are shown. Draw one line to link each pseudocode description to the most appropriate pseudocode keyword. Not all pseudocode keywords will be used. Pseudocode description stores data in a file retrieves data from a file displays data on a screen enters data from a keyboard Pseudocode keyword OUTPUT WRITE READ OPEN INPUT[4]
- (b)Give two reasons for storing data in a file.[2]
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 each correct line from description to pseudocode keyword Pseudocode description to Pseudocode keyword links: stores data in a file -> WRITE retrieves data from a file -> READ displays data on a screen -> OUTPUT enters data from a keyboard -> INPUT
- [2] One mark for each point (max two) data is stored permanently data can be moved to another computer another copy of data can be made and stored//accessed elsewhere // backup copy
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