Input And Output Devices

Input Devices

Input is any information the computer collects from the outside world. The device that collects the information and sends it to the computer is called an input device. Common input devices are the keyboard, mouse, scanner, digital camera, and microphone. Disk drives, CD/DVD drives, and USB flash drives can also be considered input devices because programs and information are retrieved from them and loaded into the computer’s memory.

input devices

Output Devices

Output is any information the computer sends to the outside world. It might be a sales report, a list of names, or a graphic image. The information is sent to an output device, which formats and presents it. Common output devices are computer screens, printers, and speakers. Output sent to a computer screen is sometimes called soft copy, while output sent to a printer is called hard copy. Disk drives, USB flash drives, and CD/DVD recorders can also be considered output devices because the CPU sends information to them so it can be saved.

output devices

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