CPU - The core of every PC. Without it, no PC can function. A microchip that is installed on a motherboard and acts as the computer’s brain - performing calculations and coordinating the hardware components., Hardware - Used to describe the physical parts of the computer which you can touch. Examples include monitors, keyboards, printers, hard disk, wiring, CPU etc., Input device - Any piece of hardware which is used to enter data or content into a computer system. Examples are the keyboard, mouse and scanner. , Output device - A piece of hardware that obeys a computer command to do something in the real world. For example a printer will produce a page page of information when the correct commands are sent to it from a computer., Peripheral - Any device which sends or receives data from the CPU; may be internal or external devices. Examples include printers, monitors, scanners, hard disk drive, sound cards, speakers and so on., Data - Numbers, words, sounds and images which have no particular meaning attached to them., Instruction - A single command for the computer to carry out a task.,

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