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Edexcel GCSE Computer Science (1CP2) Exam Questions

Build a practice paper from 530 exam-style questions, each with its mark scheme and example answers. Print it, or answer it on paper and then open the mark schemes. Or browse the questions by topic.

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2 questions · 2 marks

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1Short recall1 markLow and High Level Languages Swap Remove

A high-level language uses statements that look like English or maths.

State what a single statement in a high-level language is usually translated into.

[1 mark]
Mark scheme

Award one mark for:

  • Several/multiple machine code instructions (1)

The answer must refer to instructions.

Do not accept machine code on its own.

Do not accept binary on its own.

Do not accept 'one or more machine code instructions' as it does not show that one statement becomes several instructions.

Do not accept assembly code/compiled code/low-level code on their own.

Do not accept 'a line of code'/'a statement' as this repeats the question.

Example answers and how they were marked
Full marks1/1

Several machine code instructions

Why: Matches the creditworthy point that one high-level statement translates into several machine code instructions (1).

No marks0/1

Machine code

Why: Near-miss: gives the type of code but not that one statement becomes several instructions; mark scheme does not accept machine code on its own.

No marks0/1

Binary

Why: Misconception: high-level statements are translated into machine code instructions, not just binary; not accepted.

2Short recall1 markTranslators Swap Remove

A compiler translates programs written in a high-level language.

State how much of a program a compiler translates before the program is run.

[1 mark]
Mark scheme

Award one mark for:

  • The whole program (before it is run) (1)

Allow all of the code/the entire program/the whole program in one go

Do not accept one line/statement at a time or each line as it is executed

Do not accept translating only the lines that contain errors

Example answers and how they were marked
Full marks1/1

The whole program, before it is run.

Why: Whole program translated before it is run (1).

No marks0/1

It translates the program one line at a time.

Why: Describes an interpreter; the scheme does not accept line-by-line translation.

No marks0/1

It translates only the lines that contain errors.

Why: Not a compiler behaviour; the scheme does not accept translating only error lines.

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