Utility software (Edexcel GCSE Computer Science): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What best describes utility software?
What best describes utility software?
Collection of specialized programs
What is the main purpose of data compression software?
What is the main purpose of data compression software?
Reduce file size for storage & transfer
Which compression method removes some data to reduce file size?
Which compression method removes some data to reduce file size?
Lossy compression
Which compression method is used for game downloads in ZIP files?
Which compression method is used for game downloads in ZIP files?
Lossless compression
What does file repair software attempt to do?
What does file repair software attempt to do?
Recover data from corrupted files
What does disk defragmentation software do to files?
What does disk defragmentation software do to files?
Rearranges pieces to be contiguous
Why does fragmentation slow down file access on traditional hard drives?
Why does fragmentation slow down file access on traditional hard drives?
Computer must jump around the disk
Why is defragmentation not significantly beneficial for SSDs?
Why is defragmentation not significantly beneficial for SSDs?
SSDs have no moving parts
What is a key feature of how backup software stores files?
What is a key feature of how backup software stores files?
Stores in a separate location
What does signature-based detection in anti-malware software use?
What does signature-based detection in anti-malware software use?
Database of malware patterns
Why does anti-malware software need regular updates?
Why does anti-malware software need regular updates?
New viruses are constantly created
What does heuristic analysis in anti-malware software detect?
What does heuristic analysis in anti-malware software detect?
Suspicious behavior patterns