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Edexcel GCSE Computer Science (1CP2) Exam Questions

Build a practice paper from 514 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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Practice paper

2 questions · 2 marks

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1Multiple choice1 markTranslators Swap Remove

Identify the type of translator that translates the whole program into machine code before it is run.

[1 mark]
  • AAssembler
  • BCompiler
  • CInterpreter
  • DLinker
Mark scheme
  • B Compiler (1)
  • The only correct answer is B. The correct answer is compiler.
  • A is not correct because an assembler translates assembly language code into machine code, not a high-level program
  • C is not correct because an interpreter translates and executes the code line by line, without producing a complete machine code program first
  • D is not correct because a linker combines object code files into a single executable, it does not translate source code
Example answers and how they were marked
Full marks1/1

B Compiler

Why: Selected the compiler, the translator that translates the whole program into machine code before it is run (1).

No marks0/1

C Interpreter

Why: Near miss: an interpreter translates and executes the code line by line, so it does not translate the whole program into machine code before it is run.

No marks0/1

A Assembler

Why: Confuses the translators: an assembler translates assembly language code into machine code, it does not translate a high-level program as a whole.

2Short 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.

Questions by topic

2.1 Binary

Build a paper on this topic 58
Adding Binary Numbers 6 questions Binary and Hexadecimal Basics 10 questions Binary Shifts 6 questions Binary to Denary Conversion 6 questions Binary to Hexadecimal Conversion 6 questions Denary to Binary Conversion 6 questions Denary to Hexadecimal Conversion 6 questions Denary to Negative Binary Conversion 6 questions Hexadecimal to Binary Conversion 6 questions

2.2 Data representation

Build a paper on this topic 56
Character Sets 18 questions Images 19 questions Sound 19 questions

2.3 Data storage and compression

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Compression 18 questions Units & Conversion 6 questions

3.1 Hardware

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Embedded Systems 17 questions Fetch Decode Execute Cycle 15 questions Primary Memory 15 questions Secondary Memory 15 questions Stored Program Computers 15 questions

3.2 Software

Build a paper on this topic 124
File Management 18 questions Memory Management 16 questions Peripheral Management 11 questions Process Management 12 questions Purpose & Function of Operating Systems 17 questions Software Basics 13 questions User Management 18 questions Utility Software 19 questions

3.3 Programming languages

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Low and High Level Languages 19 questions Translators 18 questions

4.1 Networks

Build a paper on this topic 138
Addressing 16 questions LANs & WANs 16 questions Network Speed 5 questions Packet Switching 16 questions Protocols & Layers 17 questions The Internet 16 questions Topologies 17 questions Wired Connections 17 questions Wireless Connections 18 questions

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