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Edexcel GCSE Computer Science (1CP2) Exam Questions

Build a practice paper from 693 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 · 3 marks

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1Convert2 marksBinary to Hexadecimal Conversion Swap Remove

Computers manipulate binary patterns.

Convert the binary pattern 1100 1111 to hexadecimal.

[2 marks]
Mark scheme

Award one mark for each correct digit in the correct position:

  • C (1)
  • F (1)

Answer: CF

Example answers and how they were marked
Full marks2/2

CF

Why: Each nibble is one hexadecimal digit: 1100 = C, 1111 = F: both digits are correct (2).

Some marks1/2

C15

Why: One digit is correct (1), but the second is written as 15 in denary instead of F.

No marks0/2

FC

Why: The digits are the wrong way round, so neither is in the correct position.

2Convert1 markDenary to Hexadecimal Conversion Swap Remove

Computer systems manipulate bit patterns.

Convert the hexadecimal number D5 to denary.

[1 mark]
Mark scheme

Award one mark for:

  • 213 (1)
Example answers and how they were marked
Full marks1/1

213

Why: 13 × 16 + 5 = 213 (1).

No marks0/1

93

Why: Takes the right-hand digit as the 16s, so the value is wrong.

No marks0/1

18

Why: Adds the two digits instead of multiplying the first by 16.

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

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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

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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

4.2 Network security

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Network Security Risks 18 questions Preventing Network Security Risks 18 questions

5.1 Environmental

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E-waste 17 questions Manufacturing Technology 19 questions

5.2 Ethical and legal

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Data Protection Act 17 questions Impact of AI 18 questions Intellectual Property 18 questions Software Licences 18 questions

5.3 Cybersecurity

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Malware 18 questions Social Engineering 18 questions

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