AN INPUT DEVICE This is a device which is used to enter data into the computer system. All input devices are collectively called input unit (i.e. input unit of the computer hard ware is made of input devices). EXAMPLES OF INPUT DEVICES Mouse Barcode reader Keyboard Numeric key pad Light pen Digital camera Joy […]
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Computer Hardware This is the collection of physical elements that constitutes a computer system. Computer hardware refers to the physical parts or components of a computer such the monitor, mouse, keyboard, computer data storage, hard drive disk (HDD), system unit (graphic cards, sound cards, memory, motherboard and chips), etc. all of which are physical objects
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