An Overview of Using Computers
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What is a computer?
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What are the components of a computer?
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Input devices
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System unit
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Output devices
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Storage devices
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Communications devices
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Peripheral Devices
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What does a computer do?
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Why is a computer so powerful?
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Speed
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Reliability
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Accuracy
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Storage
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Communications
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Connectivity
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Categories of Computers
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Personal Computers
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Servers
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Minicomputers
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Mainframe Computers
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Supercomputers
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Computer Software
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System Software
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User Interface
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Applications Software
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What are the elements of an information system?