CS Edexcel 3.2b Utility Software

Which of the following describes incremental backups?

• A complete copy of all system files every day
• Only changes made since the last backup are saved
• A copy of files stored in a compressed format
• Files are encrypted before being backed up

What is the function of data compression software?

• To format storage devices for data
• To backup files to prevent loss
• To reduce the size of files
• To encrypt data for security

What happens when you format a hard drive?

• Files are encrypted for security
• A file allocation table is created and updated
• Data is automatically compressed
• All data is permanently deleted

Which utility software can help improve system performance by reorganising data?

• Encryption software
• Defragmentation software
• Backup software
• Formatting software

What is an example of lossless compression?

• Removing unnecessary frequencies from audio files
• Zipping files to reduce size temporarily
• Deleting files to save space
• Creating encrypted copies of data

What is the primary function of encryption software?

• To compress files for faster transmission
• To scramble data before sending it across a network
• To backup data to prevent loss
• To format hard drives for storage

What does formatting software do?

• Creates sectors and tracks on a storage device
• Recovers deleted files from a hard drive
• Encrypts data to secure it during transmission
• Defragments files for quicker access

What is the purpose of defragmentation software?

• To reduce the size of files for storage
• To reorganise fragmented files for faster access
• To encrypt data for secure transmission
• To create backups of data

What type of compression removes unrequired data from files?

• Backup compression
• Lossy compression
• Data encryption
• Lossless compression

What does backup software do?

• It encrypts data for secure storage
• It compresses files to save space
• It creates copies of data to prevent loss
• It formats hard drives to prepare for data storage