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Solano Community College and
Present
FUN-
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• A computer system includes a computer, peripheral devices, and software
• Computer refers to a device that accepts input, processes data, stores data, and produces output
• Input means to feed information into a computer– Words and symbols in a document– Numbers for a calculation– Pictures
What is a computer?
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• Data refers to the symbols that represent facts, ideas and objects
• Processing is the way that a computer manipulates data– performing calculations– sorting lists and numbers– drawing graphs
• A computer processes data in a device called the central processing unit (CPU)
What is a computer?
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• A computer stores data so that it will be available for processing
• Memory is an area of a computer that holds data that is waiting to be processed– Volatile memory– Non-volatile memory
• Storage is the area where data can be left on a permanent basis
What is a computer?
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• Computer output is the results produced by the computer– Reports– Documents– Music– Graphs– Pictures
• An output device displays, prints or transmits the results of processing
What is a computer?
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What is a computer?
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The Personal Computer
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What??? A Mouse in your Pocket?
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Primary Button
The primary button is used to Click, Double-Click and Drag.
Primary Button
The primary button is used to Click, Double-Click and Drag.
Secondary Button
The secondary button is only used to Right-Click.
Secondary Button
The secondary button is only used to Right-Click.
Tertiary Button
The third button is only used to Scroll or Size
Tertiary Button
The third button is only used to Scroll or Size
Basic Mouse Controls
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Mousy Movements
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Basic Mouse Commands
PointClick
DragDouble-click
Right-clickRoll
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The Keyboard
Alphanumeric Keys Function KeysPunctuation Keys Control Keys
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Central Processor Unit
Moves stuff aroundAdds stuff together
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StorageMain
memory
AuxiliaryFloppyHardCDDVDFlash
BitsBytesKiloMegaGigaTera
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Printers
ImpactWhole Character – SpinwriterDot Matrix
Inkjet
LaserBlack & WhiteColor
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Files
Data files
Software files
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Networks