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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 · 4 marks

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1Short recall2 marksAddressing Swap Remove

The internet is a global network of networks.

Define the term IP address.

[2 marks]
Mark scheme

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

  • A unique identifier/number (1)
  • Given to a device on a network/the internet (1)
  • Used to send/receive/route data (to the correct destination) (1)

Allow computer/laptop/phone/printer etc. for device.

Do not accept a website address/domain name.

Do not accept MAC address (this is a hardware identifier set by the manufacturer, not an address given to a device for use on a network).

Do not accept 'an address'/'a location' on its own, without saying that it identifies a device on a network/the internet.

Example answers and how they were marked
Full marks2/2

A unique number given to a device on the internet so that data can be sent to it.

Why: Unique identifier (1) and given to a device on the internet (1); the third creditworthy point is not needed for full marks.

Some marks1/2

A unique number.

Why: Gives a unique identifier (1) but does not say what it is given to or what it is used for.

No marks0/2

The address of a website, such as google.co.uk.

Why: Describes a domain name/website address, not an IP address; the Do not accept line applies.

2Explain2 marksAddressing Swap Remove

Routers forward data across the internet.

Explain how a router uses the destination IP address of a packet to send the packet towards its destination.

[2 marks]
Mark scheme

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

  • The router reads/checks the destination (IP) address in the packet (1) so it can forward/send the packet towards that address/destination (1)
  • The router looks up/compares the destination (IP) address (1) to choose the route/next network/next router for the packet (1)
  • The router uses the destination (IP) address to choose/select the outgoing connection/network (1) so the packet is sent one step closer to its destination (1)

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

Do not accept a restatement of the question, such as 'the router uses the IP address to forward the packet', without saying how the address is used, e.g. checking the destination address or choosing the route/next network.

Do not accept answers that say the router gives/adds an IP address to the packet, or that the router uses a MAC address instead of the destination IP address.

Example answers and how they were marked
Full marks2/2

The router checks the destination IP address in the packet and sends the packet out on the route/network that leads towards that address.

Why: Point (1): the router checks the destination IP address; linked reason (1): this is used to send the packet towards that destination.

Some marks1/2

The router checks the destination IP address in the packet.

Why: Point (1): the router checks the destination IP address; no linked reason is given, so only the first mark.

No marks0/2

It adds an IP address to the packet so the packet knows where to go.

Why: Misconception: the router does not add an IP address to the packet; 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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