GCSEComputer ScienceAQARevision Notes4. Computer SystemsHardware & SoftwareThe Purpose & Functionality of Utility Software

The Purpose & Functionality of Utility Software (AQA GCSE Computer Science): Revision Note

Exam code: 8525

Robert Hampton

Written by: Robert Hampton

Reviewed by: James Woodhouse

Updated on

Utility Programs

  • System software can be further broken down in to two categories, operating system and utility software

system-software

What is a utility program?

  • A utility program is software designed to help maintain, enhance and troubleshoot/repair a computer system

  • Utility programs are designed to perform a limited number of tasks

  • Utility programs interact with the computers hardware, for example, secondary storage devices

  • Some utility programs come installed with the operating system

  • Examples of utility programs and their function are:

Utility Program

Use

Antivirus

Detects and removes malware to protect the system

Encryption software

Scrambles data so only authorised users can read it

Data compression

Reduces file sizes to save storage space and speed up transfers

Backup software

Creates copies of files to protect against data loss

Disk cleanup

Removes temporary and unnecessary files to free up storage space

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Author
Reviewer
Robert Hampton

Author: Robert Hampton

Expertise: Computer Science Content Creator

Rob has over 16 years' experience teaching Computer Science and ICT at KS3 & GCSE levels. Rob has demonstrated strong leadership as Head of Department since 2012 and previously supported teacher development as a Specialist Leader of Education, empowering departments to excel in Computer Science. Beyond his tech expertise, Robert embraces the virtual world as an avid gamer, conquering digital battlefields when he's not coding.

James Woodhouse

Reviewer: James Woodhouse

Expertise: Computer Science & English Subject Lead

James graduated from the University of Sunderland with a degree in ICT and Computing education. He has over 14 years of experience both teaching and leading in Computer Science, specialising in teaching GCSE and A-level. James has held various leadership roles, including Head of Computer Science and coordinator positions for Key Stage 3 and Key Stage 4. James has a keen interest in networking security and technologies aimed at preventing security breaches.