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Input And Output Devices Details Pdf

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Input and Output

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. A printer is used to generate a hard copy or graphics on a physical medium such as paper. Speakers are used for communicating with the user by voice or for playing music or the soundtrack to a movie whereas a monitor displays visual output such as text, graphics and videos on a screen. Output and input devices are two types of hardware devices. The main difference between them is that input devices are used to send data into the computer while output devices are used to take data out of the computer.

Most devices are either input devices or output devices, as they can only accept data input from a user or output data generated by a computer. For example a touch screen displays visual output and takes input from a user. Other devices like printers also function as document scanners. Viva Differences. An input device is any hardware device which enables the user to enter data and instructions into a computer.

An input device can send data to another device but it cannot receive data from another device. An output device can receive data from another device and generate output with that data, but it cannot send data to another device. Input devices are necessary for a computer to receive commands from its users and data to process.

Output devices are necessary for a computer to share its results and prompt users for more information and commands. Input devices are relatively complicated as they have complex coding that ensures that the user can interact with the computer correctly.

Output devices are simpler for the user since they only see the results and do not have to learn the processes. Printer, monitor, speakers, projector LCD projection panels, computer output microfilm, plotters etc.

Output Devices

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. Generally, it consists of a set of 17 keys that are laid out in the same configuration used by most adding machines and calculators. The twelve function keys are present on the keyboard which are arranged in a row at the top of the keyboard.

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.

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. A printer is used to generate a hard copy or graphics on a physical medium such as paper.


Input and output devices of a computer system are the devices that connect you to computer. Input per second. Thus, a study of the first method, i.e. manual input They can print finer, smoother details through higher print head resolution​.


Input and Output Devices of Computer

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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.

Paul's passion for technology and digital media goes back over 30 years. Born in the UK, he now lives in the US. Read on for 10 examples and the definition of an "output device. An output device is a piece of computer hardware that receives data from a computer and then translates that data into another form.

6 Major Difference Between Input And Output Device With Examples

10 Examples of Output Devices

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Computer input and output devices

Мысли его вернулись к Кармен.

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3 Comments

Coacowlylit1973 17.03.2021 at 12:31

Output Device can produce the final product of machine processing into a form usable by humans.

Crisanto V. 17.03.2021 at 12:42

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Lacfasenneu1975 27.03.2021 at 01:57

reader, touch Sreeen,Speech input device (microphone). III. Output Input/​Output devices are required for users to communicate with the computer. In simple for manual input of characters and displays the information as it is keyed in. It also.

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