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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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1Multiple choice1 markProtocols & Layers Swap Remove

Data is sent over a network using the TCP/IP model.

Identify the protocol that reassembles the packets at the destination.

[1 mark]
  • AFTP
  • BHTTP
  • CIP
  • DTCP
Mark scheme
  • D TCP (1)
  • The only correct answer is D. The correct answer is TCP.
  • A is not correct because FTP is used to transfer files
  • B is not correct because HTTP is used to request web pages
  • C is not correct because IP routes packets but does not reassemble them
Example answers and how they were marked
Full marks1/1

D TCP

Why: TCP reassembles the packets at the destination (1).

No marks0/1

C IP

Why: IP routes packets but does not reassemble them (0).

No marks0/1

B HTTP

Why: HTTP is used to request web pages, not to reassemble packets (0).

2Short recall2 marksLANs & WANs Swap Remove

A bank connects its offices in several countries together.

Define the term 'wide area network (WAN)'.

[2 marks]
Mark scheme

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

  • A network that covers a large geographical area / connects locations in different cities/countries (1)
  • Two or more LANs/local area networks connected together (1)
  • Uses infrastructure owned by a third party / rented from a telecoms provider (1)
  • Uses leased lines (1)

Allow 'two or more networks connected together' only if the answer says they are in different/remote locations.

Do not accept a network that covers a small area / is on one site, as this describes a LAN.

Do not accept 'wide' on its own without saying what it means.

Do not accept that devices can share data/resources over a long distance on its own, as this is a purpose of a WAN and not a defining feature.

Example answers and how they were marked
Full marks2/2

A WAN connects two or more LANs together over a large geographical area, for example in different countries.

Why: Large geographical area (1) and two or more LANs connected together (1).

Some marks1/2

A network that covers a large area.

Why: Large geographical area (1) but does not say it connects LANs or uses third-party/leased infrastructure.

No marks0/2

A network in one building that lets computers share a printer.

Why: Describes a LAN on one site, which the mark scheme says not to accept, so no creditworthy point is given.

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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