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Variuos ports and connectors are used to connect input, output, storage and networking devices

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Are represented as bits and bytes just like all other computer data

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They specify the characters that make up a text but they do not include ways to specify other formatting

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Uses up to 4 byetes to represent each character

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Is a standard schemee for representing text using the English alphabet

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Which in turns provides ports and connections for all other parts of the system.

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Increased processor performance can also be achived by adding additional processsor cores.

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Another measure of processor performance.

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The speed at which a processor executes instructions is called the clock spreed and is measured in megahertz or gigahertz

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The processor is resposible for performing all instructions and task that the computer does.

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Produce hrd copies of documents and files.

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Are one output device found in almost all computer system

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The processor is powered on when the card is inserted into a smart card reader.

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These magnetic stripes store a small amount of data which is read using a magnetic stripe reader.

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A laser shine light onto a barcode label

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Common input devices used by games players.

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Allows sound data to be input iinto the computer

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Allow users to interact with computers using their hand or a specially designed pen called a Stylus.

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The pointer is used by toaching their finger across the touch pad.

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Consist of relative large ball which is fixed in place so that user can spin it around, controling a pointer on the screen.

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Is a standar pointing device on mosg desktop computers

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Is a keyboard that is represented by a series of buttons drawn on a monitor or sceen. They use a conmibation of hardwae and software

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Each key is programmed to perform a costom funtion

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They are is specialised computers which is "hidden" inside another device.

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They are used to make voice calls, send messages and many can run applications

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They are not designed to be a primary machine for office work, they have a slow processor.

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Portable computers designed for simple internet access and word process.

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They are common in homes

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They are optimised for high data throughput.

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They have thousands of gigabytes of primary storeage and many terabytes of secondary storage space.
They are used for tasks involving extremely complex and intensive mathematical calculations.

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The tangible, physical parts of the computer which works together to input process, store, and output data