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24 Cards in this Set
- Front
- Back
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What is a system?
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Input-->Process-->Output
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What is a system like?
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A toaster!
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What is a computer?
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They take information, they process the information according instructions (a program) and then they produce new information.
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What is hardware?
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Part of a computer system that can be touched
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Examples of harware?
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Keyboard, mouse
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What is Software?
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Software is a collection of instructions thst can be that can be run on a computer.
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Examples of Software?
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Windows XP, Microsoft Word
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What is the difference between hardware and software?
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Hardware is something you can physically touch. Hardware is useless without
the software to run it. For computers to run there must be hardware and software. |
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What does GUI stand for?
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Graphical User Interface
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What does WIMPs mean?
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Windows, icons, menus, pointers
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What are all GUIs?
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WIMPs
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What does RAM stand for?
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Random Access Memory
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What does RAM do?
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It temporarily stores the instructions that the computer is running.
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When a computer is in use, what will the RAM contain?
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The operating system software
The application software currently being used Any data that is being processed |
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RAM is a volatile...
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Storage Device
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What does RAM being a volatile storage device mean?
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This means that if the computer power is turned off, the contents of RAM will dissappear.
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The CPU is the '.....' of the computer?
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Brain
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What does CPU stand for?
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Central Processing Unit
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CPU is the device that...
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carries out software instructions
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CPU's have a large fan attached to their top to..
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keep them cool
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What does ROM stand for?
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Read-Only Memory
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What is ROM used for in most computers?
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To hold a small special piece of software: 'the boot program'
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ROM is non-...
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volatile
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Non-volatile means that
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the data is never lost
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