Operational Systems Software

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What is operational systems software?
Software that manages computer hardware and software resource and provides common services for computer programs.
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What is utility software?
Software designed to help analyze, configure, optimize or maintain a computer. Usually focuses on how compute infrastructure works.
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Whats the importance of encryption software?
Encryption protects our data and helps maintain our anonymity.
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Name 4 maintenance utilities...
Backup, Disk cleaner, Disk defragmentation and Formatting.
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Whats the importance of back up utilities?
This allows the user to restore the system to a previous state which is saved as a backup. This is only usually used if a system malfunctions.
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Whats the importance of disk cleaning utilities?
The storage drive is divided into a number of clusters. The table of contents acts as an address book, keeping a record of each file and the clusters used to store that file. When a file is deleted, the address to the location on the disk is removed.
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Whats the importance of disk defragmentation?
When files are deleted, unused clusters become available for reuse. Large files can become fragmented so defragmentation involves rearranging the information on a disk so that files appear in continuous sequences of clusters improving access times.
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Whats the importance of formatting?
Storage drives need to be formatted to be compatible with an OS. The OS usually formats storage media when it is connected to the computer. It is often the case that a storage drive cannot be compatible with both Windows and Mac OS X.
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Whats the importance of a user account?
Allow the user to allocate specific users and protects personal files and programs from unauthorised access.
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Whats the importance of antivirus software?
Detects viruses and protects the computer from them.
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Whats the importance of a firewall?
Helps filter through trusted and untrusted sites. It also can prevent programs from communicating through the use of ports.
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What are utilities?
Applications that allow the user to manage and maintain the computer, utilities are often managed through special menus or control panels in the operating system.
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Other cards in this set

Card 2

Front

What is utility software?

Back

Software designed to help analyze, configure, optimize or maintain a computer. Usually focuses on how compute infrastructure works.

Card 3

Front

Whats the importance of encryption software?

Back

Preview of the front of card 3

Card 4

Front

Name 4 maintenance utilities...

Back

Preview of the front of card 4

Card 5

Front

Whats the importance of back up utilities?

Back

Preview of the front of card 5
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