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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 markPacket Switching Swap Remove

Data is broken into packets and sent across the internet.

Identify the device that forwards a packet towards its destination.

[1 mark]
  • AHub
  • BRouter
  • CServer
  • DSwitch
Mark scheme
  • B Router (1)
  • The only correct answer is B. The correct answer is Router.
  • A is not correct because a hub sends the data it receives to every device on the network
  • C is not correct because a server provides services, such as web pages, to client computers
  • D is not correct because a switch forwards data between the devices on one network
Example answers and how they were marked
Full marks1/1

B Router

Why: Selected the correct device: a router reads the destination IP address in each packet and forwards it towards its destination (1).

No marks0/1

D Switch

Why: A near miss: a switch forwards data between devices on one network, but it is a router that forwards packets between networks towards their destination, so no mark.

No marks0/1

A Hub

Why: Misconception from the examiners' reports: confusing LAN hardware with internet routing. A hub sends data to every device on the network and does not read IP addresses to forward packets, so no mark.

2Explain2 marksAddressing Swap Remove

A laptop is used at home and is then taken on holiday, where it connects to a different network.

Explain why the laptop is given a different IP address when it is used on holiday.

[2 marks]
Mark scheme

Award up to two marks for a linked explanation such as:

  • The laptop is connecting to a different network (1) so it needs an address that belongs to/is unique on that network (1)
  • The router/ISP on the new network assigns the address (1) because addresses are given out by the network the device is connected to (1)
  • The home IP address is only valid on the home network (1) so it cannot be used to send data on another network (1)

For both marks, the expansion must follow/associate with the statement.

Do not accept 'it has a dynamic IP address' on its own, as this repeats the question.

Do not accept answers that say the IP address is stored in the device's hardware/network card, as this describes the MAC address.

Example answers and how they were marked
Full marks2/2

It is connecting to a different network now, so the router there gives it an address that works on that network.

Why: Point that the laptop is on a different network (1) and linked reason that the new router assigns an address valid/unique on that network (1).

Some marks1/2

Because it is connecting to a different network.

Why: A valid point (1) but no linked reason about where the new address comes from or why the old one cannot be used.

No marks0/2

Because the IP address is built into the laptop's network card and it changes when it is plugged into a new network.

Why: Misconception: an address fixed in the hardware is the MAC address; the mark scheme says not to accept this, so no marks.

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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