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COMPUTER Application Lab Practical No.2 Q) List down different output and output devices of computer along with their functionality and apply at least 5 different styles. Solution: Computer A computer is a machine or device that performs processes, calculations and operations based on instructions provided by a software or hardware program. It is designed to execute applications and provides a variety of solutions by combining integrated hardware and software components.

Input Devices An input device is a piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or information appliance. Different types of input devices are-

Joy Stick Light pen Track Ball Scanner Graphic Tablet Microphone Magnetic Ink Card Reader (MICR) Optical Character Reader (OCR)

Output Devices -

AAKASH SHARMA B.COM 1ST SEM (E)

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COMPUTER Application Lab An output device is any device used to send data from a computer to another device or user. Most computer data output that is meant for humans is in the form of audio or video. Thus, most output devices used by humans are in these categories. Different types of output devices are: 1. MONITOR 2. PRINTER 3. AUDIO SPEAKERS 4. HEADPHONES 5. PROJECTOR 6. GPS 7. SOUND CARD 8. VIDEO CARD 9. BRAILLE READER 10. PLOTTER

Functionality of input and output devices Input device is a piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, digital cameras, joysticks, and microphones. Output devices relay the response from the computer in the form of a visual response (monitor), sound (speakers) or media devices (CD or DVD drives). The purpose of these devices is to translate the machine's response to a usable form for the computer user.

AAKASH SHARMA B.COM 1ST SEM (E)

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