A-LevelComputer ScienceSystem software9618/32 · Oct/Nov 2022 · Q24 Marks
Lexical analysis and syntax analysis are stages in the compilation of a program.
- (a)Identify two other stages that take place during the compilation of a program.[2]
- (b)Outline the purpose of syntax analysis.[2]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2022). The mark or mark type is shown in brackets.
- [1] (a) One mark per point • Code generation
- [1] (a) • Optimisation
- [1] (b) One mark per point (Max 2) • It checks that the code matches the grammar of the language // It checks that the tokens conform with the rules of the programming language
- [1] (b) • Syntax errors are reported
- [1] (b) • A parse tree is produced.
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