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Edexcel GCSE Computer Science (1CP2) Exam Questions

Build a practice paper from 514 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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Practice paper

2 questions · 3 marks

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1Multiple choice1 markAddressing Swap Remove

Data is sent across the internet in packets.

Identify the device that uses IP addresses to forward packets from one network to another.

[1 mark]
  • AHub
  • BNetwork interface card
  • CRouter
  • DSwitch
Mark scheme
  • C Router (1)
  • The only correct answer is C. The correct answer is router.
  • A is not correct because a hub sends data to every device on the network
  • B is not correct because a network interface card connects a device to a network
  • D is not correct because a switch forwards data within a single network using MAC addresses
Example answers and how they were marked
Full marks1/1

C Router

Why: Correct option (1): a router uses IP addresses to forward packets between networks.

No marks0/1

D Switch

Why: A switch forwards data within one network using MAC addresses, not between networks (mark scheme line D), so no mark.

No marks0/1

A Hub

Why: A hub only sends data to every device on the network (mark scheme line A), so no mark.

2Describe2 marksWired Connections Swap Remove

A school connects its desktop computers to the network using Ethernet cables.

Describe one way that using a wired connection can give a faster transfer of data than a wireless connection.

[2 marks]
Mark scheme

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

  • (Ethernet) cables are not affected by interference from other devices (1) so data is transferred at a consistent/steady speed (1)
  • Each device has its own cable to the switch (1) so the full bandwidth is available to that device and speeds do not drop as more users join (1)
  • Fibre optic cable has a higher bandwidth than a wireless link (1) so more data can be sent along the cable each second (1)
  • The cable gives a direct/physical path to the switch (1) so data is less likely to be lost and resent, which would slow the transfer (1)

Do not accept responses about security, reliability or users being unable to move around, as these are not about speed.

Do not accept answers that only say a wired/cable connection is faster, or that fibre is faster, without saying why.

Example answers and how they were marked
Full marks2/2

The cable is not affected by interference from other devices such as other networks or microwaves (1) so the data is sent at a steady speed instead of slowing down (1).

Why: Point that the cable is not affected by interference (1) linked to a consistent data transfer speed (1).

Some marks1/2

Ethernet cables are not affected by interference.

Why: Gives the first point of a linked pair (1) but does not develop it to say how this makes the transfer faster.

No marks0/2

A wired connection is faster because the data travels down a cable and not through the air.

Why: Repeats the question (wired is faster) with no reason, which the mark scheme's final line says is not accepted.

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

Build a paper on this topic 56
Character Sets 18 questions Images 19 questions Sound 19 questions

2.3 Data storage and compression

Build a paper on this topic 24
Compression 18 questions Units & Conversion 6 questions

3.1 Hardware

Build a paper on this topic 77
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

Build a paper on this topic 124
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

Build a paper on this topic 37
Low and High Level Languages 19 questions Translators 18 questions

4.1 Networks

Build a paper on this topic 138
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

More ways to revise Edexcel GCSE Computer Science (1CP2)

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