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Edexcel GCSE Computer Science (1CP2) Exam Questions

Build a practice paper from 659 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 · 4 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 markLANs & WANs Swap Remove

A school's computers are connected in a local area network (LAN). The internet connects computers across the world.

State the type of network that the internet is an example of.

[1 mark]
Mark scheme

Award one mark for:

  • WAN/Wide Area Network (1)

Allow wide area network, WAN network, and minor spelling errors where the meaning is clear, e.g. 'wide area netowrk'.

Do not accept LAN/local area network.

Do not accept a description such as 'covers a large area' without naming WAN.

Do not accept 'the internet' or 'world wide web'.

Example answers and how they were marked
Full marks1/1

WAN (wide area network)

Why: Correct type of network (1).

No marks0/1

A network that covers a large area.

Why: Describes a WAN but does not name the type; no mark.

No marks0/1

LAN (local area network)

Why: Names the wrong type of network; the internet is a WAN.

3Short recall2 marksWireless Connections Swap Remove

Wireless connections use radio waves.

Give two reasons why a wireless connection can have a lower speed than a wired connection.

[2 marks]
Mark scheme

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

  • Interference from other electrical/electronic devices (1)
  • Walls/obstacles block or weaken the signal (1)
  • The signal gets weaker the further a device is from the access point (1)
  • Other devices/networks use the same wireless channel/frequency (1)
  • A wireless channel has less bandwidth than a wired connection (1)

Do not accept 'higher latency', because latency is a delay and does not reduce the speed at which data is transferred.

Do not accept 'wireless is slower' / 'wired is faster' without a reason.

Do not accept 'radio waves are slower than signals in a cable' as they travel at the same speed.

Example answers and how they were marked
Full marks2/2

Other electrical devices can cause interference, and walls can block the signal.

Why: Gives interference (1) and walls blocking the signal (1).

Some marks1/2

Walls can block the wireless signal.

Why: Gives one valid reason, walls blocking the signal (1), but no second reason.

No marks0/2

Wireless is slower because it has a higher latency, so the data takes longer to arrive.

Why: Confuses latency (a delay) with speed; 'higher latency' is not accepted and no other creditworthy reason 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 12 questions

5.3 Cybersecurity

Malware 8 questions

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