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Hardware Voc

computer literacy Having a current knowledge and understanding of coputers and their uses.
computer Electronic device, operating under the control of instructions stored in its own memory, that can accept data, process the data according to specified rules,produce results, and store the results for future use.
data Collection of unprocessed items, which can imnclude text, numbers, images, audio, and video.
information Processed data that conveys meaning and is useful to people.
information processing cycle Series of input, process, output, and storage activities performed by a computer.
hardware Electric, electronic, and mechanical components contained in a computer.
input devices-example any hardware component that allows to enter data and instructions into a computer.
output devices-example any hardware component that conveys informationto one or more poeple.
storage devices-example -hard drive: -flash drive:
system unit -processor -memory
motherboard Main cicuit board of the system unit, which has some electronic componentsattached to it and others built into it.
communication devices -modem
categories of software -application software -system software
personal computers-desktop & notebooks Computer that can perform all of its input, processing, output, and storageactivities by its selfand contains a processor, memory, and one or more input and output devices. and storage devices.
mobile computers *tablet pc *digital pen
game consoles
mainframe computers
embedded computers