A-LevelComputer ScienceSystem software9618/31 · Oct/Nov 2022 · Q44 Marks
Draw one line to connect each stage of compilation to its most appropriate description. Stage of compilation Description Lexical analysis minimising a program's execution time and memory requirement converting an intermediate representation of source code into an executable form Syntax analysis converting a sequence of characters into a sequence of tokens Code generation directly executing instructions written in a scripting language Optimisation using parsing algorithms to interpret the meaning of a sequence of tokens
- (a)Draw one line to connect each stage of compilation to its most appropriate description. Stage of compilation Description Lexical analysis minimising a program's execution time and memory requirement converting an intermediate representation of source code into an executable form Syntax analysis converting a sequence of characters into a sequence of tokens Code generation directly executing instructions written in a scripting language Optimisation using parsing algorithms to interpret the meaning of a sequence of tokens[4]
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Mark scheme
Marking points from the official mark scheme (Oct/Nov 2022). The mark or mark type is shown in brackets.
- [4] One mark for each correct line connecting one stage of compilation to a description
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