A computer is an electronic device that takes input such as numbers, text, sound, image, animations, video, etc., processes it, and converts it into meaningful information that could be understood, presenting the changed input (processed input) as output. All numbers, text, sound, images, animations, and video used as input are called data and all numbers, text, sound, images, animations, and video returned as output are called information. Input is the raw data entered into the computer by using input devices. OR. Computer Is an electronic machine/device which can input data,process them according to the instruction given and then give out the meaningful information.
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