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Edexcel GCSE Computer Science (1CP2) Exam Questions

Build a practice paper from 687 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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3 questions · 3 marks

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1Multiple choice1 markWireless Connections Swap Remove

A wireless network can use the 2.4 GHz or 5 GHz frequency band.

Identify the advantage of using the 5 GHz band instead of the 2.4 GHz band.

[1 mark]
  • AGreater range
  • BHigher data transfer speed
  • CMore able to pass through walls
  • DUses less bandwidth
Mark scheme
  • B Higher data transfer speed (1)
  • The only correct answer is B. The correct answer is higher data transfer speed.
  • A is not correct because the 2.4 GHz band has the greater range
  • C is not correct because the 2.4 GHz band passes through walls more easily
  • D is not correct because the 5 GHz band does not use less bandwidth
Example answers and how they were marked
Full marks1/1

B Higher data transfer speed

Why: Correct advantage: 5 GHz gives higher data transfer rates (1).

No marks0/1

A Greater range

Why: Greater range is a feature of the 2.4 GHz band, not an advantage of 5 GHz; no mark.

No marks0/1

C More able to pass through walls

Why: 5 GHz signals are less able to pass through walls than 2.4 GHz signals; no mark.

2Short recall1 markAddressing Swap Remove

Devices are given IP addresses.

Define the term dynamic IP address.

[1 mark]
Mark scheme

Award one mark for:

  • (An IP address that) can change / is not permanent (1)

Allow a changing IP address.

Allow a temporary IP address.

Allow it is assigned each time the device connects to the internet.

Do not accept an IP address that is assigned (automatically) by a router/DHCP without any idea that it can change.

Do not accept static IP address / fixed IP address / an IP address that never changes (this is a static IP address).

Example answers and how they were marked
Full marks1/1

An IP address that can change each time the device connects to the internet.

Why: States that the IP address can change (1).

No marks0/1

An IP address that is assigned automatically by a router.

Why: Describes assignment only; the mark scheme does not accept assignment without the idea that the address can change.

No marks0/1

An IP address that never changes.

Why: Confuses dynamic with static; the Do not accept line applies.

3Short recall1 markWireless Connections Swap Remove

A wireless network has a fixed amount of bandwidth.

State what happens to the bandwidth available to each device as more devices connect to the network.

[1 mark]
Mark scheme

Award one mark for:

  • It is shared between more devices, so each device gets less (bandwidth) (1)

Allow 'the bandwidth is divided/split between the devices'.

Allow 'there is less bandwidth for each device'.

Do not accept 'the speed decreases' / 'the connection slows down' on its own.

Do not accept 'the bandwidth decreases' unless it refers to the bandwidth available to each device.

Do not accept 'the bandwidth increases'.

Example answers and how they were marked
Full marks1/1

It is shared between more devices, so each device gets less bandwidth.

Why: States that the bandwidth is shared between more devices and so each device gets less (1).

No marks0/1

The speed for each device decreases.

Why: Describes speed rather than bandwidth; this near-miss is ruled out by the 'Do not accept' line.

No marks0/1

The bandwidth increases because more devices are connected.

Why: Contradicts the correct answer; bandwidth is shared between the devices, it does not increase, so no mark.

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

Build a paper on this topic 30
Malware 18 questions Social Engineering 12 questions

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