2.3 Nature of Applications Flashcards

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1
Q

Categories of software

A
  • OS
  • Utility
  • Library
  • Translatros
  • Off the shelf
  • Custom written
  • Proprietary
  • Open source
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2
Q

Classifications of software

A
  • System and application
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3
Q

System software

A

Software needed to run the computer’s hardware and application programs (translators, libraries etc.)

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4
Q

Operating system functions

A
  • Resource management
  • Provision of UI
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5
Q

Utility programs

A

Software designed to optimise performance of the computer

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6
Q

Disk defragmentation

A

Defragments and reorganises a magnetic hard disk so data will be recombined

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7
Q

Automatic backup/Automatic updating

A
  • Where, what, how, when
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8
Q

Virus checker

A

Checks HDD and sometimes emails for viruses

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9
Q

Compression software

A

Can compress folders to zipped files, which makes it easier to send over the internet

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10
Q

Different types of application software

A
  • General-purpose software
  • Special-purpose software
  • Off the shelf
  • Bespoke
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11
Q

Open source

A

Code/program is free

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12
Q

Off the shelf

A
  • Ready to use
  • Less expensive than bespoke
  • Ready to be installed immediately
  • Well documented, tested and error free
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13
Q

Freeware

A

Free to use but user does not get access to the source code

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14
Q

Bespoke

A
  • Customised software
  • More expensive
  • Longer time to develop
  • May contain iceberg errors
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15
Q

Closed source/Proprietary software

A

Needs some form of license to use, and can have restrictions. Also no access to source code

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