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Edexcel GCSE Computer Science (1CP2) Exam Questions

Build a practice paper from 631 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 markTranslators Swap Remove

A compiler translates a whole program in one go before it is run.

Name the type of code that a compiler produces.

[1 mark]
Mark scheme

Award one mark for any of the following:

  • Object code (1)
  • Machine code (1)
  • Executable code / an executable (1)

Allow object file.

Do not accept source code.

Do not accept high-level code.

Example answers and how they were marked
Full marks1/1

Object code.

Why: Object code is named as the code a compiler produces (1).

No marks0/1

High-level code.

Why: Near-miss: this is the input to the compiler, not the code it produces; not accepted.

No marks0/1

Source code.

Why: Names the programmer's input rather than the compiler's output; 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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