Different Types Of Input And Output Devices Of Computer Pdf

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different types of input and output devices of computer pdf

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Introduction Computer being a versatile machine can process different types of data.

Input & output devices

Choose the correct option and mark your choice against the corresponding question number in the given answer sheet by darkening the corresponding circle with a lead pencil. Now they are also used with nonportable desktop computer systems because they occupy less table space. Non-impact printers. Can print many special characters, different sizes of print, and graphics such as charts and graphs Are non-impact printers Most laser printers are monochrome, but color laser printers are also available Low speed laser printers can print 4 to 12 pages per minute. Produce audio output by selecting an appropriate audio output from a set of pre-recorded audio responses Applications include audio help for guiding how to operate a system, automatic answering machines, video games, etc. Introduction II.

The devices are usually used for display, projection, or for physical reproduction. Monitors and printers are two of the most commonly-known output devices used with a computer. A computer can still function without an output device. There is no indicator of errors, nor of the need for additional input. It creates a visual display by the use of which users can view processed data. Monitors come in various sizes and resolutions. Printer — this device generates a hard copy version of processed data, like documents and photographs.

Inputs are the signals or data received by the system and outputs are the signals or data sent from it. For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices. Devices for communication between computers, such as modems and network cards , typically perform both input and output operations. The designation of a device as either input or output depends on perspective. Mice and keyboards take physical movements that the human user outputs and convert them into input signals that a computer can understand; the output from these devices is the computer's input.

Input and Output Devices of 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. An output device reverses the process, translating the digitized signals into a form intelligible to the user. At one time punched-card and paper-tape readers were extensively used for inputting, but these have now been supplanted by more efficient devices. Input devices include typewriter-like keyboards; handheld devices such as the mouse , trackball, joystick, trackpad, and special pen with pressure-sensitive pad; microphones, webcams, and digital cameras. They also include sensors that provide information about their environment— temperature , pressure , and so forth—to a computer.

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.

Input and Output Devices of Computer

Keyboard is the most common and very popular input device which helps to input data to the computer. The layout of the keyboard is like that of traditional typewriter, although there are some additional keys provided for performing additional functions. These keys include the letter keys A-Z and digit keys 09 which generally give the same layout as that of typewriters. It is used to enter the numeric data or cursor movement.

Output Device can produce the final product of machine processing into a form usable by humans. It provides man to machine communication. Keyboard is most common input device is used today.

Peripheral device

3 Comments

  1. Vernon M. 25.01.2021 at 04:13

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  3. Emmeline P. 30.01.2021 at 02:59

    Output Devices a. Monitor, Speaker, Printers (different types) Input/Output devices are required for users to communicate with the computer. In simple terms​.