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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 · 3 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 recall2 marksLow and High Level Languages Swap Remove

Programs can be written in high-level or low-level programming languages.

Define the term high-level programming language.

[2 marks]
Mark scheme

Award one mark for any of the following up to a maximum of two marks:

  • Uses statements/instructions that look like English/maths (1)
  • Does not depend on one type of processor / can be run on different types of computer with few or no changes (machine independent) (1)
  • A single statement is translated into several machine code instructions (1)
  • Provides data structures such as arrays and records (1)
  • Provides built-in/library subprograms (1)
  • Is translated by a compiler or an interpreter (1)

Allow portable/platform independent for machine independent.

Allow easier to read/write/understand/debug only when linked to the English-like statements, e.g. uses words that look like English so it is easier to understand.

Do not accept a high-level language / not a low-level language with no other detail.

Do not accept written in binary/machine code.

Do not accept faster to run / uses less memory, as these are characteristics of low-level languages.

Example answers and how they were marked
Full marks2/2

A language that uses statements that look like English (1) and a program written in it can be run on different types of computer without being rewritten (1).

Why: English-like statements (1) and machine independent/portable (1).

Some marks1/2

A language that provides data structures such as arrays and records.

Why: Creditworthy point: provides data structures (1). No second part of the definition given.

No marks0/2

A language that is written in binary so the computer can understand it.

Why: Misconception: binary is machine code, not a high-level language; the mark scheme's do-not-accept line covers this.

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

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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

Build a paper on this topic 37
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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