Computer Input And Output Devices Information Pdf

computer input and output devices information pdf

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To interact with a computer, you need an intermediary, something that receives data you input and translates it for your computer. This intermediary is an input device. Input devices for communication are those that let you send sounds, thoughts, images or files to others via the computer. For business, input devices let you reach out to customers, colleagues and vendors. Businesses sometimes have hard copies of documents or images at one location that someone at another location needs to see.

Peripheral device

An input device is essentially a piece of hardware component used to provide data and control signals to an information processing system such as computer or information device. Common inputs devices on modern computers include keyboards, mouse and touch screen which are used to enter commands and data directly. Other examples of input devices include scanners, digital cameras, joysticks and microphones. An output device is any hardware component that use received data from a computer to perform a task. The data received by the output device can be text, graphic, tactile, audio or video. Three most commonly used output devices are a printer, a monitor and speakers.

6 Major Difference Between Input And Output Device With Examples

An output device is any piece of computer hardware equipment which converts information into human read able form. It can be text , graphics , tactile , audio , and video. A new type of Output device is being developed these days, known as Speech synthesizer , [2] a mechanism attached to the computer which produces verbal output sounding almost like human speeches. A display device is the most common form of output device. It presents output visually on computer screen.

Chapter 9: Input-Output Devices

An input device sends information to a computer system for processing , and an output device reproduces or displays the results of that processing. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device. Most devices are only input devices or output devices, as they can only accept data input from a user or output data generated by a computer.

Input Devices for Business Communication

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Input and Output Devices

A list of input and output devices can only be incomplete, because there are simply so many specialized devices out there. The way in which we use the printer to extract prints from in different colours. Digitizer can convert a signal from the television or camera into a series of numbers that could be stored in a computer.

Such devices make up the peripheral equipment of modern digital computer systems. Peripherals are commonly divided into three kinds: input devices, output devices, and storage devices which partake of the characteristics of the first two. An input device converts incoming data and instructions into a pattern of electrical signals in binary code that are comprehensible to a digital computer.

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Input and Output

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