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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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2 questions · 4 marks

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1Describe2 marksFile Management Swap Remove

Describe the purpose of file management in an operating system.

[2 marks]
Mark scheme

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

  • Keeps a record/index of where each file is stored on the disk (1) so the file can be found and opened later (1)
  • Allocates space on the disk for each file (1) so files are stored without overwriting each other (1)
  • Provides facilities to name file(s) and organise them into folder(s)/directories (1) so the user can find and manage their files (1)

Do not accept responses about process management, peripheral management or user management.

Do not accept bare statements of storing/saving, e.g. 'it stores files', 'it saves files' or 'it keeps files safe', with no development.

Do not award a mark for responses that repeat the question, e.g. 'it manages files', with no development.

Example answers and how they were marked
Full marks2/2

It keeps a record of where each file is stored on the disk so the file can be found and opened later.

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

Some marks1/2

It organises files into folders.

Why: Creditworthy point (1) but no development of how this helps the user.

No marks0/2

It manages processes and peripherals so the computer runs smoothly.

Why: Describes other operating system functions, not file management; no creditworthy point.

2Explain2 marksMemory Management Swap Remove

When a program closes, the operating system frees the main memory it was using.

Explain one reason why the operating system frees main memory when a program closes.

[2 marks]
Mark scheme

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

  • The memory can be reused/allocated to another program (1) so other programs have enough main memory to run (1)
  • Freeing the memory stops main memory becoming full (1) so the computer can load/run new programs (1)
  • The closed program's data is no longer needed (1) so keeping it would waste main memory (1)
  • The operating system can give the freed memory to a program that needs more (1) so that program can continue to run (1)

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

Do not accept 'to make the computer faster' on its own without saying how freeing memory helps.

Do not accept 'to delete the program' or 'to save the program' because closing a program does not remove it from secondary storage.

Example answers and how they were marked
Full marks2/2

The memory can be reused by another program, so other programs have enough main memory to run.

Why: Linked point (1) about reusing the memory and reason (1) that other programs then have enough memory.

Some marks1/2

So that the memory is free.

Why: Gives the point (1) but does not give a linked reason saying what the free memory is used for.

No marks0/2

So the program is deleted from the computer.

Why: No creditworthy point; closing a program does not delete it from secondary storage.

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