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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 marksPurpose & Function of Operating Systems Swap Remove

A laptop stores many files on its hard disk.

Describe one way the operating system manages the files on the laptop.

[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 that the file can be found and opened when it is needed (1)
  • Allocates each file to a folder/directory (1) so that files used for the same purpose are kept together (1)
  • Decides where on the disk each new file is written (1) so that it does not overwrite an existing file (1)
  • Allocates space on the disk for a file (1) so that the file has somewhere to be saved (1)

Allow 'files are organised into folders so that they are easy to find', with the folder point (1) and its purpose (1).

Do not accept responses that only state that the operating system 'organises' or 'controls' the files, with no way of doing it given.

Do not accept 'stores the files' or 'saves files to the disk' without a way of doing it.

Do not accept responses about backing files up, or about the amount of storage space left on the disk.

Example answers and how they were marked
Full marks2/2

The operating system keeps a record of where each file is stored on the disk so that the file can be found and opened again later

Why: Linked point (1) - keeps a record of where each file is stored - and development (1) - so the file can be found later.

Some marks1/2

The operating system puts the files into folders.

Why: Gives the point that each file is allocated to a folder (1) but no linked development about why files are grouped.

No marks0/2

The operating system backs up the files to the cloud so that they are not lost.

Why: Backing up is not file management on this specification, so no point or development is credited.

2Describe2 marksProcess Management Swap Remove

An operating system manages the processes running on a computer.

Describe the purpose of process management.

[2 marks]
Mark scheme

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

  • Decides which process is given use of the CPU (1) so that more than one program can run/appear to run at the same time (1)
  • Allocates CPU time to each process (1) so that no single process takes control of the CPU (1)
  • Manages the states/life-cycle of each process (1) so processes can be moved between ready/running/blocked (1)
  • Keeps track of the processes and their status (1) so a process waiting for a resource can be returned to the CPU when it is ready (1)

Do not accept responses that only describe what a process is.

Do not accept responses that only list the types of operating system management.

Example answers and how they were marked
Full marks2/2

It decides which process will use the CPU so that several programs can run without one taking over the processor.

Why: Decision about CPU use (1) linked to allowing several programs to run (1).

Some marks1/2

It decides which process uses the CPU.

Why: One creditworthy point about choosing a process for the CPU (1), but no linked development.

No marks0/2

It makes sure the computer has enough RAM to store files.

Why: Describes memory/file management, not process management; no creditworthy point.

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