mouse - It is used to point, drag pictures and click commands on the screen, keyboard - It is used for entering letters, numbers and other commands., joy stick/ game controller - Are input devices mostly used for computer games, microphone - An input device that converts sounds into digital signals, CPU - It is like the brain of the computer because it is responsible for data processing. , motherboard - It is where the other internal parts of the computer are attached. It is where the other internal parts of the computer are attached. , monitor - An output device that shows the processed information on the screen., printer - An output device that allows printing data on paper. , speaker - Output devices that are used to produce sound from the computer. , USB/ Flash disk - It is a removeable external hard drive storage media., computer - It is an electronic machine. , scanner  - It can scan an image or a printed text., digital camera - An input device that is used to take pictures that can be downloaded in the computer., touch screen - An input device that is used to make a selection by just touching the screen. , barcode reader - It is used to read barcodes on the scanned object.,

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