Scanner captures images from the source which are then converted into the digital form. A number of inputoutput devices are used with many types of microcomputers. Following are few of the important output devices which are used in a computer. Projector screen image projector is an output device used to project information from a computer on a large screen additionally, a fullfledged multimedia presentation with audio, video. Although these devices produce output which is not a raster, they still work in the same general.
However, the output device is will show you what the computer has received. Research computer input and output devices world of invention. Output devices monitor features display resolution the resolution of a monitor indicates how densely packed the pixels are. An output device is any piece of computer hardware equipment which converts information into humanreadable form. Jan 05, 2017 the devices which are used to display the results or information are called output devices. How do you ever wonder how information gets in your. In this section you will learn about the different types of output devices that are commonly in use.
Computer is fed with a lot of data to be processed and organised. A number of input output devices are used with many types of microcomputers. Also, ready examples that you can point to is the computer printer and monitor that show what you type into the computer either as a display on the monitor or as a printed output on paper. Most modern monitors can display 1024 by 768 pixels, the svga standard. The printed copy of the output is called hard copy. For example, the image shows an inkjet printer, an output device that can make a hard copy of anything shown on the monitor. Monitor and the printer are the commonly used output devices. This is the most common output device connected with the computer to display the processed information.
A collection of such formats output devices in ghostscript. Data output is the process and method by which data can be studied under different circumstances and manipulated as required by the researcher. Ghostscript supports output to a variety of image file formats and is widely used for rasterizing postscript and pdf files. Output devices are part of the 4 main hardware components of a computer system. Devices input and output unit 4 input output devices. Start studying input and output devices answer and questions. Output devices are pieces of computer hardware used to communicate the results of data processing performed by a computer. You can view the output on the monitor or you can print it on a paper using a printer. An output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. Computer input and output devices research article from world of invention this encyclopedia article consists of approximately 4 pages of information about computer input and output devices. 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. Before a computer can process your data, you need some method to input the data into the machine.
Output develops innovative software and gear for musicians, composers, producers and sound designers across all genres. Once data has been input into a computer system and processed, it is now useful information. Input devices these get data into the computer processor this does something with the data to make it useful information. Scanner captures images from the source which are then converted into the digital form that can be stored on the disc. Most computer data output that is meant for humans is in the form of audio or video. List of input devices, output devices and both input output. Dec 14, 2010 list of input devices, output devices and both input output devices related to computer. The objective of output devices is to turn computer information into a human friendlyreadable form. 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. Input and output devices kanwal rekhi school of information. Input and output devices answer and questions flashcards. A color monitor can display from 16 to over 1 million different colors. Output devices show the information that the computer will act upon. Output devices of computer receive data from the system which it shows to you.
Our focus is simple groundbreaking concepts, new sounds, new sources of inspiration. List of input devices, output devices and both input. It can be text, graphics, tactile, audio, and video some of the output devices are visual display units vdu i. Computer input and output devices quality information portal. For email printing with device type pdf1, there must be a pdf display program available, such as adobe acrobat reader, so that you can open and print the attached pdf. A hammer presses the wheel against a ribbon, which in turn makes an ink stain in the shape of the character on the paper. Outputs devices include, for example, printers, monitors, facsimile machines, scanners, copiers, and audio devices. Impact printers nonimpact printers impact printers the impact printers print the characters by striking them on the ribbon which is then pressed on. These images can be edited before they are printed. In general, the more pixels often expressed in dots per inch, the sharper the. The size of a monitor is measured in inches diagonally across the screen. This paper examines the concepts of information system is central to the is discipline with the aim to contribute to the debate on the nature of the concept and stimulate broader engagement of the is.
In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. It can be text, graphics, tactile, audio, and video. Input and output devices 2 goals provide practical introduction to the hardware required for virtual environment and 3d interaction examine common. Data that has been processed into a useful form, called information p. Computer input and output devices fun learning computer. Examples include monitors, projectors, speakers, headphones and printers. 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. Input and output devices introduction the unit 4 presents the information of input and output devices.
Output deviceoutput devices return processed data that is information, back to the user. In general, the more pixels often expressed in dots per inch, the sharper the image. 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. Output devices notes on data entry for nios online course.
The devices which are used to display the results or information are called output devices. There are many examples of output devices, each with their own benefits and drawbacks. Computers provide information in a variety of forms. The objective of output devices is to turn computer information into a. Pdf computer input and output devices ingamule siraji. Video displays and printed documents have been, and still are, the most common forms of output from computer systems. Learn vocabulary, terms, and more with flashcards, games, and other study tools. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Input is usually given by clicking the mouse or typing on the keyboard. History of what are output devices information technology essay. In my last post i have shared about the following job recruitment questions on basic computer technology and internetjob recruitment questions on basic computer technology and. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of. Heres a look at output devices such as monitors, speakers, printers and ebooks.
Many of these are less complex versions of io devices that have been available for larger computer systems. For example, the image shows an inkjet printer, an output device that can make a hard copy of any information shown on your monitor, which is another example of an output device. December 14, 2010 february 15, 2018 allaboutbasic in my last post i have shared about the following job recruitment questions on basic computer technology and internet. All io devices, however, do not send and receive the same type of signal. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. Sep 19, 2018 computers provide information in a variety of forms. The output device is the last part of any accounting system. Below we discuss the variety of peripheral devices used for computer input and output. Output devices provide data in myriad different forms, some of which. We are seeing more and more variety of specialised input and output devices that can connect with other devices to help the user perform a particular task in a more optimal or other beneficial way. Data that has been processed into a useful form, called information. Thus, a computer must have a system to receive information from the outside world and must be able to communicate results to the external world.
The unit 4 presents the information of input and output devices. Monitor printer speaker headphone monitor a monitor is an output device similar. How can a user communicate actionsinformation she requests that the. Some of the products that appear on this site are from companies from which quinstreet receives compensation. Computer dictionary definition of what output device means, including related links, examples, information, and terms. Nov 16, 2019 an output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. Our focus is simple groundbreaking concepts, new sounds, new sources of.
An output device is any device used to send data from a computer to another device or user. Barcode readers and scanners a barcode reader or scanner also known as a point of sale pos scanner are hardware devices capable of reading a barcode and printing out the details of the product andor logging that product into a database so a company can easily keep track of its inventory. Device types for sap output devices detail information. Information regarding these interfaces should be obtained directly from the sites listed. The monitor displays the video and graphics information generated by the computer. Barcode readers and scanners a barcode reader or scanner also known as a point of sale pos scanner are hardware devices capable of reading a barcode and. Therefore the researcher needs to study different data output methods for this. Monitor receives data from a computer output and displays that information as text and images for users to view. Monitors and printers are two of the most commonly used output devices used with a computer. Input output devices questions and answers computer.
Output devices are used to display the result or information on the computer. As the document can be output using not only printers, but also archiving devices, these devices are. Speakers are used to listen to the music and sounds played by the computer. In computing, inputoutput or io or, informally, io or io is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information.
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. These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system. Thus, most output devices used by humans are in these categories. Output devices provide data in myriad different forms, some of which include audio, visual, and hard copy media. This is unlike input devices that lets you send data out of the system. High level devices are ghostscript output devices which do not render to a raster, in general they produce vector as opposed to bitmap output. 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. The data that has been processed into a useful form is called output. The devices are usually used for display, projection, or for physical reproduction.
The inputoutput system module 2 3 analog devices in contrast to discrete devices, analog devices are input or out put devices that provide or receive analog signals. It also displays the program or application output. The terms input and output are used both as verbs to describe the process of entering or displaying the data, and as nouns referring to the data itself entered into or displayed by the 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. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Output devices a monitor monitor is an output device that resembles the television screen and uses a cathode ray tube crt to display information. What is the difference between an input and output device. Printer is an output device, which is used to print information on paper. A number of inputoutput devices are used with many types. Output devices allow us to receive information from the computer. Output is the result we get through output devices.
For example, the image shows an inkjet printer, an output device. Nov, 2018 an output device can receive data from another device and generate output with that data, but it cannot send data to another device. A target device must be specified for the output for every document to be printed in the sap system. Any hardware component that can convey information to a user printer monitor p. Pdf input output storages devices in computers researchgate. Computer output devices receive information from the computer, and carry data that has been processed by the computer to the user.
Fundamental of computer fun and educational video for children easy and simple preschool learning for kids input output devices io devices input devices. Data output processed data ready for analysis home. After the source documents are used to gather information and input into the system by input devices are, the information. An output device is any piece of computer hardware equipment which converts information into. The monitor is associated with a keyboard for manual input of characters and displays the information as it is keyed in.