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Introducing Computers
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What is a ComputerSuper Calculator
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Who Uses ComputersEducationBusinessHealthcareResearchPublishing
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Hardware V Software
Computers Contain both Hardware and Software
Hardware = The circuits and electronic components
Software = Programs or Applications
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Hardware InsideHard DiscMother BoardSound CardCPU
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System Software(Operating System)
Windows XPWindows VistaWindows 7
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Application SoftwareMicrosoft WordPC GamesWeb BrowserOthers ?
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Hardware Outside (Peripherals)MonitorMouseKeyboardPrinter
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Input DevicesMouseKeyboardWebcamTouch ScreenMicrophone
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Output DevicesMonitorSpeakersPrinter
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Storage Devices
Hard Drive DiscCD DVDMemory Stick USBCloud Storage
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Different Types of ComputersPC or MacintoshDesktopLaptopNetbook Tablet (Ipad)Smart PhoneKindleOthers?
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All computers will have a power button which must be pressed to turn them on with the symbol displayed
below.
Press the button once and you should hear a fan start inside the computer and small lights will come on and
flicker. The computer will now power up, check itself and load the operating system or ”boot up”.
It can take a few minutes so have patience, let it do it’s thing.
Switch it on
What is a Network
Computers are connected to each other to share information
Usually 3 PartsThe Server The Workstation Communication Channel
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Introducing NetworksThe Server is a central special computer on the
network that decides which computers can access the network
A workstation is an individual computer on networkThe Communication Channel is usually an existing
telecommunications network.
