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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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3 questions · 5 marks

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1Multiple choice1 markProtocols & Layers Swap Remove

A user sends an email from a laptop to a mail server.

Identify the protocol used to send the email.

[1 mark]
  • AFTP
  • BHTTP
  • CSMTP
  • DTCP
Mark scheme
  • C SMTP (1)
  • The only correct answer is C. The correct answer is SMTP.
  • A is not correct because FTP is used to upload and download files
  • B is not correct because HTTP is used to request web pages
  • D is not correct because TCP is a transport-layer protocol that splits data into packets and reassembles them
Example answers and how they were marked
Full marks1/1

C SMTP

Why: Selected the correct email sending protocol (1).

No marks0/1

A FTP

Why: FTP is a file transfer protocol, not an email sending protocol, so no mark is awarded (0).

No marks0/1

B HTTP

Why: HTTP is used for requesting web pages, not for sending email, so no mark is awarded (0).

2Short recall2 marksLANs & WANs Swap Remove

A bank connects its offices in several countries together.

Define the term 'wide area network (WAN)'.

[2 marks]
Mark scheme

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

  • A network that covers a large geographical area / connects locations in different cities/countries (1)
  • Two or more LANs/local area networks connected together (1)
  • Uses infrastructure owned by a third party / rented from a telecoms provider (1)
  • Uses leased lines (1)

Allow 'two or more networks connected together' only if the answer says they are in different/remote locations.

Do not accept a network that covers a small area / is on one site, as this describes a LAN.

Do not accept 'wide' on its own without saying what it means.

Do not accept that devices can share data/resources over a long distance on its own, as this is a purpose of a WAN and not a defining feature.

Example answers and how they were marked
Full marks2/2

A WAN connects two or more LANs together over a large geographical area, for example in different countries.

Why: Large geographical area (1) and two or more LANs connected together (1).

Some marks1/2

A network that covers a large area.

Why: Large geographical area (1) but does not say it connects LANs or uses third-party/leased infrastructure.

No marks0/2

A network in one building that lets computers share a printer.

Why: Describes a LAN on one site, which the mark scheme says not to accept, so no creditworthy point is given.

3Describe2 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 so the data is sent at a steady speed instead of slowing down.

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

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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 36
Malware 18 questions Social Engineering 18 questions

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