A device, such as a printer, video display, or speaker, that presents data from a computer to a user. The inputoutput system module 2 3 analog devices in contrast to discrete devices, analog devices are input or output devices that provide or receive analog signals. Examples include monitors, projectors, speakers, headphones and printers. Output hardcopy devices provides a technical summary of computer output hardcopy devices such as plotters, computer output printers, and crt generated hardcopy. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. It can be text, graphics, tactile, audio, and video some of the output devices are visual display units vdu i. An input device is a hardware or peripheral device used to send data to a computer. Output devices of computer receive data from the system which it shows to you. The devices are usually used for display, projection, or for physical reproduction. Computer devices computer input and output devices 992019 designed by. Ingamule siraji 1 a computer is an electronic device that works. In other words, an output devices is anything that gets information from the accounting system to the end users.
Monitor and the printer are the commonly used output devices. Or the data that has been processed into a useful form is called output. It condenses large stacks of paper into small amounts of microfilm or microfiche with no. An input device allows users to communicate and feed instructions and data to computers for processing, display, storage andor transmission. Inputoutput devices constitute a major part of a computer system. As we saw in the previous blog about the display output devices and their ports. This includes display screens, printers, plotters, and synthesizers. Output device devices the output device receives information from the computer and provides them to the users. Monitors and printers are two of the most commonlyknown output. An input device is any hardware component that allows a user to enter data and instructions into a computer. History of what are output devices information technology. Other common input output devices computing technology. Computer output devices receive information from the computer, and carry data that has been processed by the computer to the user. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved.
An output device is any device used to send data from a computer to another device or user. A new type of output device is been developed these days, known as speech synthesizer, a. Define the four categories of output identify the different types of display devices describe factors that affect the quality of a display device identify monitor ergonomic issues explain the differences among various types of printers describe the uses of speakers and headsets identify the purpose of data projectors, fax machines, and multifunction devices explain how a terminal is both an input and output device identify output options for. Pdf introduction to computers, anatomy of computers. An output device is any piece of computer hardware equipment which converts information into humanreadable form. Output devices definition of output devices by the free.
In this blog we will discuss about the other inputoutput devices which we attach to our systems to expand its. Monitors and printers are two of the most commonly used output devices used with a computer. Introduction to computers, anatomy of computers, input and output devices. An output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. Following are few of the important output devices which are used in a computer. Input is usually given by clicking the mouse or typing on the keyboard. Output is printed on a roll of film or a sheet of film. Introduction computer is an electronic machine which takes input, process it and gets the output. Any machine capable of representing information from a computer. A track ball comes in various shapes like a ball, a button and a square. An output device is any hardware device used to send data from a computer to another device or user. Follow the procedure below to create a device definition for local pc printing.
Important related technical areas such as papers, ribbons and inks, color techniques, controllers, and character fonts are also covered. It forms images from tiny dots, called pixels that are. In addition, you use output devices to receive information that you can read, see or hear, they make use of components like sound cards, video cards, usb ports and sometimes wireless or wired connections. Digitizer digitizer is an input device which converts analog information into digital form.
Information shown on a display device is called soft copy because the information exists electronically and is displayed for a temporary period of time. A display device is an output device that visually conveys text, graphics, and video information. This is the most common output device connected with the computer to display the processed information. History of what are output devices information technology essay. Output devices article about output devices by the free. Monitor, printer, plotter, speaker, and multimedia projector. In this article, you will find 20 examples output devices and their functions. The monitor is associated with a keyboard for manual input of characters and displays the information as it is keyed in. Students should know the basics facts to 12, this includes the multiplication tables, basic division facts and basic addition and subtraction facts students should have some basic experience recognizing patterns and be able to determine what comes next in a pattern.
Functions of some of the important keys are defined below. Monitor is the most commonly used output device used to display results of processing. Pdf computer input and output devices ingamule siraji. A color monitor can display from 16 to over 1 million different colors. A temperature transducer is an example of an analog input device. Usually, most output peripherals are meant for human use, so they receive the processed data from the computer and transform it in the form of audio, video, or physical reproductions.
Device that takes image from a computer screen and projects it onto a larger screen p. In general, the more pixels often expressed in dots per inch, the sharper the image. Device that transmits and receives documents over telephone lines p. Inputoutput devices are required for users to communicate with the computer. Most modern monitors can display 1024 by 768 pixels, the svga standard. Out put devices are used to display results of processing to the user. The objective of output devices is to turn computer information into a human friendlyreadable form. Since the whole device is not moved, a track ball requires less space than a mouse. Students should have an understanding of the four operations which are.
Most computer data output that is meant for humans is in the form of audio or video. Output devices a monitor monitor is an output device that resembles the television screen and uses a cathode ray tube crt to display information. The following is a list of the most common input devices which are nowadays found in a computer system. Computer used only to support output device, not to run. Amazing 20 examples output devices and their functions. A target device must be specified for the output for every document to be printed in the sap system. Output devices provide data in myriad different forms, some of which include audio, visual, and hard copy media. The output devices convert them into a form such as printed form or display on a screen, which can be used by the users. Thus, most output devices used by humans are in these categories. Any device that outputs information from a computer is called, not surprisingly, an output device.
Any peripheral that receives or displays output from. Output devices impact printer daisywheel similar to a ballhead typewriter, this type of printer has a plastic or metal wheel on which the shape of each character stands out in relief. This is unlike input devices that lets you send data out of the system. Digitizer can convert a signal from the television or camera into a series of numbers that could be stored in a. An output device in an accounting system is something that exports data from the system, so it can be used. They are required to enter data and instructions in a computer so that the computer can. It also displays the program or application output. For example, the image shows an inkjet printer, an output device that can make a hard copy of anything shown on the monitor. It forms images from tiny dots, called pixels that are arranged in a rectangular form.
Devices input and output unit 4 input output devices. Output devices are pieces of computer hardware used to communicate the results of data processing performed by a computer. The output device is the last part of any accounting system. The size of a monitor is measured in inches diagonally across the screen. Input devices input is any data or instructions entered into the memory of a computer. Since most information from a computer is output in either a visual or auditory format, the most common output devices are the monitor and speakers.
Without io devices, a user cannot communicate with the computer. An output device is any piece of computer hardware equipment which converts information into. In many cases, a client or viewer application calls the ghostscript engine to do the rasterization and handles the display of the resulting image itself, but it is also possible to invoke ghostscript directly and select an output device which directly handles displaying the image on screen. Output devices in the sap spool system sap help portal. Peripheral device, also known as peripheral, computer peripheral,inputoutput device, or inputoutput device, any of various devices including sensors used to enter information and instructions into a computer for storage or processing and to deliver the processed data to a human operator or, in some cases, a machine controlled by the computer. Output device definition and meaning collins english. A hammer presses the wheel against a ribbon, which in turn makes an ink stain in the shape of the character on the paper. Fax machine know more about all in detail, click here input output devices. Display devices include crt monitors, lcd monitors and displays, gas plasma monitors, and televisions. These two devices provide instant feedback to the users input, such as. Output device definition of output device by the free. The computer sends information to the output devices in the binary coded form.
Output devices are devices that receive data or instruction from a computer. In the sap system, output devices are the logical representations of the real output devices. Read on for 10 examples and the definition of an output device. Output devices are the means by which com puter systems communicate with people who, with varying degrees of enthusiasm, make use of them. An output device is any piece of computer hardware component which is used in order to communicate with the results of data processing that has carried out by an information processing system for example a computer which converts an electronically generated information into the humanreadable form. Output devices synonyms, output devices pronunciation, output devices translation, english dictionary definition of output devices. Definition of output data that has been processed into useful form. Analog signals are continuous and can have any number of statesnot just two, as with discrete digital signals. Ghostscript is often used for screen display of postscript and pdf documents. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. About input and output devices some examples of input and output devices lesson 2 input and output devices input devices allow us to send information to the computer.