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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 · 6 marks

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1Short recall2 marksFile Management Swap Remove

An operating system manages the files stored on a computer.

State two ways the operating system manages where files are stored on the disk.

[2 marks]
Mark scheme

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

  • Decides/allocates which part/space on the disk a file is written to (1)
  • Keeps an index/record of the location of each file so that it can be found/retrieved (1)
  • Prevents a file from being overwritten by another file (1)
  • Checks there is enough free space on the disk before a file is saved (1)

Allow 'file allocation table' for keeping an index/record of file locations

Only award one mark for answers that say the operating system decides/allocates where a file is stored or allocates free space on the disk

Do not accept defragmentation

Do not accept 'stores files', 'saves files' or 'backs up files' (these only repeat the stem)

Do not accept 'organises files into folders' on its own

Do not accept scheduling processes or managing peripherals

Example answers and how they were marked
Full marks2/2

It keeps an index of where each file is stored so it can be found again, and it stops a new file overwriting an existing file.

Why: Keeps an index of file locations so files can be retrieved (1) and prevents a file being overwritten (1).

Some marks1/2

It keeps a record of where each file is stored.

Why: Keeps an index/record of file locations (1), but does not give a second way.

No marks0/2

It saves files on the hard disk and organises them into folders.

Why: 'Saves files' only repeats the stem and 'organises files into folders' on its own is not accepted, so no creditworthy point is given.

2Short recall2 marksPurpose & Function of Operating Systems Swap Remove

A home computer can have more than one user account.

Name two tasks carried out by the user management function of an operating system.

[2 marks]
Mark scheme

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

  • Creating/deleting user accounts (1)
  • Storing usernames and passwords (1)
  • Checking login details/authenticating a user at login (1)
  • Setting access rights/permissions for each user, e.g. restricting which files/folders/programs/drives they can access (1)

Allow logging in as an example of checking login details.

Do not accept managing users on its own.

Do not accept provides a user interface, as this is not user management.

Do not accept managing files or managing processes, as these are other functions.

Do not accept stopping hackers/protecting from malware, as this is security, not user management.

Example answers and how they were marked
Full marks2/2

It stores usernames and passwords and sets access rights for each user.

Why: Storing usernames and passwords (1) and setting access rights (1) are two different user management tasks.

Some marks1/2

It checks the password at login and manages users.

Why: Checking a password at login earns (1); managing users repeats the question and earns nothing.

No marks0/2

It manages users and stops hackers accessing the computer.

Why: Managing users repeats the question; stopping hackers is security, not user management.

3Explain2 marksProcess Management Swap Remove

An operating system carries out process management.

Explain one reason why an operating system needs to manage processes.

[2 marks]
Mark scheme

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

  • The CPU can only execute one process at a time (1) so the operating system must decide which process runs next (1)
  • Each process needs CPU time (1) so the operating system must share the CPU between processes (1)
  • One process could use the CPU for too long (1) so the operating system must give other processes a turn (1)
  • A process may be waiting for a resource or user input (1) so the operating system can run another process that is ready (1)
  • The user wants to run more than one program (1) so the operating system must manage which process uses the CPU and when (1)

For both marks, the expansion must follow/associate with the statement.

Allow 'program' for 'process'.

Do not accept 'to manage processes' / 'so processes are managed' without a reason.

Do not accept answers about managing files, memory or peripherals.

Example answers and how they were marked
Full marks2/2

The CPU can only run one process at a time, so the operating system must decide which process gets the CPU and for how long.

Why: Linked point (1) and reason (1).

Some marks1/2

The operating system decides which process runs next.

Why: A correct point (1) but no linked reason.

No marks0/2

So that files can be saved in the right place.

Why: This is file management, not process management, so no creditworthy point.

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

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

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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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