Utility software (Edexcel GCSE Computer Science): Flashcards

Collection of small, specialised programs that each perform specific maintenance tasks

Maintain and optimise computer system

Reduces file size for storage/transfer

Repackages data without losing any information

Removes some data to make file smaller

Recovers data from corrupted/damaged files

Speeds up file access on magnetic hard drives

Files split into pieces across hard drive

Reduces disk jumping to collect file pieces

SSDs don't benefit (no moving parts)

Creates copies of files for restoration when needed

Protects from malicious software/viruses

Uses database of known malware patterns

Detects suspicious behaviour patterns

New viruses constantly created