Utility Software

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What are 2 functions of an operating software?
-to provide a user interface, memory management, multitasking, file management
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What is the role of encryption software?
-to transform text so that it cannot be understood without knowing how to decode it
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What are 2 uses of encryption tools?
-to encrypt files and folders on a portable disk, to encrypt communication on the web, to encrypt data on an organisation's website
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What is disk defragmentation?
-reorganising files on a hard disk so that they are stored together
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Why is backing up files important?
-to prevent losing files from accidental/intended damage, corruption and in some cases, natural disaster
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What are the 2 backup methods?
-Full backup and incremental backup
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What does full backup do?
-Complete backup of everything which can be restored independently of any other backup
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What does incremental backup do?
-Records only the changes made since the last backup
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Other cards in this set

Card 2

Front

What is the role of encryption software?

Back

-to transform text so that it cannot be understood without knowing how to decode it

Card 3

Front

What are 2 uses of encryption tools?

Back

Preview of the front of card 3

Card 4

Front

What is disk defragmentation?

Back

Preview of the front of card 4

Card 5

Front

Why is backing up files important?

Back

Preview of the front of card 5
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