G 1.5_2 Sys_software

which one of the following is not a Utility Program? (4-6)

• Disk Defragmentation Tool
• Disk Formatter
• Web Browser
• Anti-Virus Software

Utility programs are usually…..? (1-3)

• Part of the Operating System
• Bought on a disk from a store
• Only needed if you connect to the Internet
• Very Expensive to buy

Lossy Compression is…..? (7-9)

• Usually performed on text
• When some original data is lost and the original file cannot be re-created
• The original file can be re-created from the compressed file
• Turning the text into a format that only a reader with a key can decrypt it

Lossless Compression is….? (7-9)

• Usually performed on video files
• When some original data is lost and the original file cannot be re-created
• The original file can be re-created from the compressed file
• Turning the text into a format that only a reader with a key can decrypt it

A fragmented hard drive is one in which…..? (4-6)

• Program instructions and data are spread across tracks and sectors on the hard disk drive
• Programs and instructions are grouped together to occupy a continuous section of the hard disk drive
• A hard disk drive that has been dropped and broken into lots of pieces
• The hard disk drive is split into portions each representing a different logical drive.

To scramble data so that it is unreadable is a form of….? (4-6)

• Compression
• Encryption
• Backing up
• Defragmentation

This method of backup takes longer to perform (4-6)

• Incremental
• Differential
• Full
• Fragmented

This method of backup is quicker to perform once an initial backup file is created (7-9)

• Incremental
• Differential
• Full
• Fragmented

This type of back-up is quicker to restore from? (7-9)

• Incremental
• Differential
• Full
• Fragmented

This type of back-up is slowest to restore from? (7-9)

• Incremental
• Differential
• Full
• Fragmented