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12 Cards in this Set
- Front
- Back
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What two types of software do computers require? |
Applications software and systems software |
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What is application software? |
They are programs written to perform end user task |
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Give some examples of application software. |
Word processing, spreadsheet and graphics packages |
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What is system software? |
It controls and monitors the running of application programs, control/manage the hardware and allow users to communicate with the computer |
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Give some examples of system software. |
Utility programs, operating system, library programs and programming language translators |
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What is the operating system? |
It is the interface between the user and the computer and it manages the resources |
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What does the operating system do? |
It controls and monitors the running of application programs. It allows the users to communicate with the computer and it provides the user with a 'virtual machine' |
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What happens each time you switch on your PC in regards to the OS? |
The OS kernel (the part you need in memory all the time) will be copied from the hard disk into memory |
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What is the OS sometimes referred to as? |
The 'Virtual machine' |
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What are utility programs? |
They are programs that perform a specific task relating to the operation of the computer |
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What are some examples of utility programs? |
Virus checker, security and accounting software, disk formatter, disk compressor and disk scanner |
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What is a library program? |
It is a library of regularly used software routines, held in a computer backing store |
