These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system. Output, which provides output to the user from the computer monitors, printers, etc. View the article pdf and any associated supplements and figures for a period of 48 hours. Since the whole device is not moved, a track ball requires less space than a mouse. Converts digital output from computer into analog video signal. Input is any data or instructions entered into the memory of a computer.
Examples include monitors, projectors, speakers, headphones and printers. For the love of physics walter lewin may 16, 2011 duration. Monitor printer speaker headphone monitor a monitor is an output device similar. The audio output is the ability of the computer to output sound. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. Monitor led, lcd, crt etc printers all types lcd projection panels.
Input output devices questions and answers computer. Input devices let you to transfer data and user command into the computer. The handout is about the types of computer input and output devices. The input devices include the mouse, keyboard,microphone e. Monitors, commonly called as visual display unit vdu, are the main output device of a computer. As you try to unravel the exact reason why your computer needs an output device, i am sure you are keen on finding out the examples of output devices.
Ingamule siraji 1 a computer is an electronic device that works. They can be used by the computer to create a picture of whatever the camera had been pointed at. The main type of input devices includes a keyboard, image scanner, microphone. Explain different types of output devices perfect computer. Mcq input and output device of computer with answers pdf. Pfizer central research, sandwich, kent ct 9nj, united. Following are few of the important output devices which are used in a computer. There are two kinds of viewing screen used for monitors. Monitors and printers are two of the most commonlyknown output. The data that has been processed into a useful form is called output. Output devices allow us to receive information from the computer.
Monitors may be monochrome that will display results. Input and output devices bangladesh open university. List of input devices, output devices and both input output. Create an output device as shown in the screenshots below. The input device converts the data into the computers own internal code.
Nov 27, 2018 input output device based mcq mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. A number of input output devices are used with many types of microcomputers. Jan 05, 2017 this is an important output device of the computer system. An output device in simple words is the one that helps the computer to display the data and results after the process completes.
Input, used to interact with, or send data to the computer mouse, keyboards, etc. Input and output devices can also be written as io devices. Input and output devices introduction the unit 4 presents the information of input and output devices. Output is the process of transmitting the processing data into a form that makes sense to human. Pictures on monitor are formed with picture elements called pixel. A new type of output device is been developed these days, known as speech. Devices input and output unit 4 input output devices. Save print output as pdf file in front end system using pdf. The input device converts the data into the computer s own internal code.
The chapter has given an introduction to the inputoutput devices. On a computer keyboard input device, if you type h, it sends inputs a signal to the computer. Output is the result we get through output devices. This type of keyboard is available with most mainframe computer terminals or the expensive microcomputer systems. This is the most common output device connected with the computer to display the processed information. What is the difference between an input and output device. An input device is any hardware component that allows a user to enter data and instructions into a computer. So dear reader i have provided top expected gk questions from input and output device of computer. Generally output can be obtained and acquire mainly in two distinct and different ways softcopy and hardcopy. Output deviceoutput devices return processed data that is information, back to the user. The devices which are used to display the results or information are called output devices. The output devices of computer system are electromagnetic devices or gadgets that accepts or acknowledge data or informations from computer system and translate and converts the data in human readable or intelligent form.
These are hardware devices that work in conjunction with the monitor to display visual output to the user. Printed output is also called hard copy output because unlike monitor, this output can be preserved even if the computer is switched off. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. The devices are usually used for display, projection, or for physical reproduction. A track ball comes in various shapes like a ball, a button and a square. Monitor and the printer are the commonly used output devices. It gives a printed output of the results that appears on the monitor screen. Difference between input devices and output devices. Computer is fed with a lot of data to be processed and organised. Save print output as pdf file in front end system using.
The speed of printers can be measured in characters per second cps or pages per minute ppm, the higher the values are, the faster the printer can produce output. Projectors are ideal when training or presenting information to a large audience. Computer inputoutput ports and interfaces 1 terms and abbreviations. You can pick out how loud you want your system to be and find the sound package that works for. The user can usually choose whether the projector mirrors their computer screen, extends it, or replaces it. Computer devices computer input and output devices 992019 designed by. Output devices of a computer an output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system such as a computer which converts the electronically generated information into. The following is a list of the most common input devices which are nowadays found in a computer system. An output device is any piece of computer hardware equipment which converts information into humanreadable form. An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system such as a computer which converts the electronically generated information into humanreadable form. A light pen is a computer input device in the form of a lightsensitive wand used in conjunction with a computer s crt tv set or monitor.
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. Headsets headset consists of speakers and microphone. For example, below is a basic list of steps of how an output device works. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Data projectors are output devices used to project the digital output from a computer device on to a large screen or wall. Monitor receives data from a computer output and displays that information as text and images for users to view.
Output devices notes on data entry for nios online course. An output is a device is a device which carried out or show the result that is commanded computer to perform. Thus, most output devices used by humans are in these categories. A light pen is a computer input device in the form of a lightsensitive wand used in conjunction with a computers crt tv set or monitor. Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. The above pdf is based on input and output devices and contains the following. Digitizer is an input device which converts analog information into digital form. Generally input devices are manual or direct data entry devices. Input and output devices school of information technology. An input device in simple words is one that helps the computer get the data from the user and enters it in the computing system. Digitizer can convert a signal from the television or camera into a series of numbers that could be stored in a computer.
An input device can be defined as an electromechanical devices that allows the user to feed information or data into the computer for analysis, storage and give command to the computer. It gives a detailed listing of the various types of input devices and the output devise. The computer uses an output device to show us something. Monitor is the most commonly used output device used to display results of processing. It can be text, graphics, tactile, audio, and video some of the output devices are visual display units vdu i. Sort which are the input and output devices of the computer and write their names 6. A peripheral is a device that is used to put information into or get information out of the computer. Input and output devices of a computer system are the devices that connect you to computer.
Input devices accept data and instructions from the user. The term audio output device refers to any device that attaches to a computer for the purpose of playing sound, such as music or speech. Jul 22, 2018 output is the process of transmitting the processing data into a form that makes sense to human. It works on the same principles to convert sound data into machine sable form. Sound card plays contents of digitized recordings, speakers attached to sound card. Nov 16, 2019 an output device works by receiving a signal from the computer and using that signal to perform a task to display the output. What are the output devices of computer system and types. 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. Monitor monitor is perhaps the most important output device because people interact. It allows the user to point to displayed objects, or draw on the screen, in a similar way to a touch screen but with greater positional accuracy.
This video purely for kids who are in learning stage and for those also who dont know the basic information of stop correcting personal computer. This hardware device helps the user return information to the computer as well, thereby enhancing interaction, the video card processes the images seen on the monitor, return images quality are also determined by the video card quality. You can view the output on the monitor or you can print it on a paper using a printer. The sharpness of the image depends upon the number of pixels. Computer output devices receive information from the computer, and carry data that has been processed by the computer to the user.
Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Nov 22, 2016 the term audio output device refers to any device that attaches to a computer for the purpose of playing sound, such as music or speech. An output device works by receiving a signal from the computer and using that signal to perform a task to display the output. In computing, an input device is any peripheral piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or other information appliance. Output devices projector an output device that can take the display of a computer screen and project a large version of it onto a flat surface. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. Input and output devices make up the hardware interface between a computer and a scanner or 6dof controller. Other device types maybe required for pdf files containing characters from languages like chinese, arabic etc. Theyre an audio output device allowing the transmission of sound files so the user can hear them. Computer component that produces music, speech, and other sounds speakers and headsets are common devices p. The computer needs it to track what it the computer is doing at any point in time. Mar 19, 2017 this video purely for kids who are in learning stage and for those also who dont know the basic information of stop correcting personal 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. Computer talks to you through speakers on computer p. List of input devices, output devices and both input. Speaker act output device and microphone act as input. You know that computer works without output devices. Now a day computer is one of the most important field for every examinations. Most computer data output that is meant for humans is in the form of audio or video. Pdf input output storages devices in computers researchgate. A printer is an output device that produces a printout or hard copy of the output from a computer. Computer output devices are those use to display data that has been process either in hardware or software form to make sense to an individual or group of persons. An output device is any device used to send data from a computer to another device or user. Any peripheral piece of computer hardware equipment used to provide data and control signals to a computer.
Without any input devices, a computer would only be a display device and not allow users to interact with it. Pdf computer input and output devices ingamule siraji. Output devices provide data in myriad different forms, some of which include audio, visual, and hard copy media. Computer input, processing, output and storage devices. They are simply defined as any device used by a computer to communicate information. An output device is any piece of computer hardware equipment which converts information into. A monochrome monitor is a type of crt computer display which was very. Many of these are less complex versions of io devices that have been available for larger computer systems. Facsimile fax it has scanner to scan the document and also. When you have the device type zpdf1 you can create an output device using this device type and access method ll print locally. Monitor, printer, plotter, speaker, and multimedia projector. Apr 05, 2012 other device types maybe required for pdf files containing characters from languages like chinese, arabic etc. Computer is used to help or reduce our work and to do various type of tasks.
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