The Purpose & Functionality of Utility Software (OCR GCSE Computer Science): Flashcards
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Utility software definition
Utility software definition
Software that maintains & optimises computer systems
Encryption software purpose
Encryption software purpose
Secures data by converting it to unreadable code
What encryption converts data into
What encryption converts data into
Unreadable code
What's needed to decrypt encrypted data
What's needed to decrypt encrypted data
Correct key
Defragmentation purpose
Defragmentation purpose
Reorganises fragmented data on hard drive
What defragmentation improves
What defragmentation improves
Access speed & system performance
What fragmented data means
What fragmented data means
File parts scattered across the drive
Data compression purpose
Data compression purpose
Reduces file size for efficient storage & faster transmission
What data compression reduces
What data compression reduces
File size & storage space required
Backup software purpose
Backup software purpose
Creates copies of files to prevent data loss
Full backup definition
Full backup definition
Copies all files on a system
Incremental backup definition
Incremental backup definition
Copies only files changed since last backup
Advantage of incremental backup
Advantage of incremental backup
Saves time & storage space
Disadvantage of incremental backup
Disadvantage of incremental backup
Restoring files may take longer