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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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1Short recall1 markAddressing Swap Remove

An IPv4 address is made up of four 8-bit numbers separated by dots.

State the range of values that each number in an IPv4 address can have.

[1 mark]
Mark scheme

Award one mark for:

  • 0 to 255 (1)

Allow 0–255 / 0-255 / between 0 and 255 / 0 and 255.

Do not accept 1 to 255 (0 is a valid value).

Do not accept any range that includes 256, e.g. 0 to 256.

Example answers and how they were marked
Full marks1/1

0 to 255

Why: Gives the correct range (1).

No marks0/1

1 to 255

Why: Near miss: excludes 0, which is a valid value; the Do not accept line applies.

No marks0/1

0 to 256

Why: Includes 256, which is not valid; the Do not accept line applies.

2Describe2 marksAddressing Swap Remove

Devices on a network use IP addresses.

Describe the purpose of an IP address.

[2 marks]
Mark scheme

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

  • Identifies a device on a network (1) so data can be sent to the correct device (1)
  • Gives a device a unique address (1) so packets can be routed to it across the internet (1)
  • Identifies a device on the internet (1) so it can send/receive data to/from other devices (1)

Allow 'unique' only where it is linked to identifying the device or to routing data; 'unique' on its own is not creditworthy.

Do not accept answers that only say it connects a device to the internet.

Do not accept a MAC address as the purpose of an IP address.

Do not accept domain names/web addresses (e.g. google.co.uk) as an IP address.

Example answers and how they were marked
Full marks2/2

An IP address uniquely identifies a device on a network so that data packets can be delivered to the correct destination.

Why: Linked point (1): identifies a device on a network; development (1): so data can be sent to the correct device.

Some marks1/2

It identifies a device on a network.

Why: Point only (1): identifies a device on a network; no linked development.

No marks0/2

It is a website address, such as google.co.uk, that the browser uses to find a web page.

Why: No creditworthy point: gives a domain name/web address, which the mark scheme says not to accept as an IP address.

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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