Computer Software

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  • Created by: becky.65
  • Created on: 30-05-16 11:18
What is system software?
Software that controls the hardware
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What is application software?
Software that handles the real-world jobs
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What is utility software?
Software that maintains computer systems
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What is the main part of system software?
The operating system
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What is the operating system?
A set of programs that controls the hardware and lets users and applications work with the computer
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What the the user interface?
The boundary between the human user and the machine
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What is a graphical user interface?
A GUI used icons to represent files and programs
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Why does the operating system need memory management?
To decide what goes where in memory, to make sure that memory is used efficiently and that important data is not overwritten
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Why does the operating system need peripheral management?
To keep track of all files in a system; so they can write the data stored in secondary storage to medium and retrieve it
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What is defragmentation and why is is needed?
Secondary storage is divided into segments, so files are usually split across many segments. After a while, access to the file slows down and defragmentation can be used so that parts of the files are moves and stored next to each other
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Why does the operating system need multitasking?
So it can shift its attention between processes, make sure that the CPU is in use as much of the time as possible, try to speed up the operation of all tasks and share resources fairly between tasks
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What are antivirus utilities?
Utilities that detect and remove viruses
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What is spyware protection?
It checks for and removes programs that record the websites you visit and passwords you use
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What do firewalls do?
They monitor traffic entering and leaving a system in order to block unauthorized material
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What do system maintenance utilities do?
Help you clear away redundant files, update registry entries and check for missing dependencies
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What do system information and utilities do?
Check for problems on secondary storage
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What do system cleanup tools do?
Search for unused files and clear them out
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Other cards in this set

Card 2

Front

What is application software?

Back

Software that handles the real-world jobs

Card 3

Front

What is utility software?

Back

Preview of the front of card 3

Card 4

Front

What is the main part of system software?

Back

Preview of the front of card 4

Card 5

Front

What is the operating system?

Back

Preview of the front of card 5
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