Input devices trackball light pen image scanner output devices plotters. Output device display data from the memory of the computer. In my opinion, i think all the unit of computer component are important and their own role in getting a computer system unit to function. The monitor displays the video and graphics information generated by the computer. Difference between input devices and output devices. Feb 10, 2017 basically, any device that converts analog information to a digital format that a computer can read is a graphical input device. Using a computer may seem an easy task because of the tools that are attacked with the device and helps in managing the system properly. Input devices input devices any peripheral piece of computer hardware equipment used to provide data and control signals to a computer. The devices which are used to input the data and the programs in the computer are known as input devices.
Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. 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. So dear reader i have provided top expected gk questions from input and output device of computer. Devices input devices keyboard mouse scanner joystick microphone digital. Devices input and output unit 4 input output devices. Inputoutput devices and interaction department of computer.
A computer or laptop keyboard is kind of hardware device that you can use to type data in a computer system. The monitor displays the video and graphics information generated by the computer through the video card. Text consists of characters letters, numbers, punctuation marks, or any other symbol requiring one byte of computer storage space that are used to create words, sentences, and paragraphs. Monitors are very similar to televisions but usually display information at a much higher resolution. Jun 18, 2016 input devices of computer input device device. To work with these data, we require different types of devices. A dot matrix printer forms characters and graphics on the paper by. Digitizer can convert a signal from the television or camera into a series of numbers that could be stored in a computer. Computer graphics output devices with computer graphics tutorial, line generation algorithm, 2d transformation, 3d computer graphics, types of curves, surfaces, computer animation, animation techniques, keyframing, fractals etc. Firewire 800 ieee 94b 1 bit 100 mbps, 200 mbps, or 400 mbps for. These devices can help us enter data into the computer.
In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. A graphic tablet as digitizer is used for doing fine works of drawing and image manipulation applications. Additional input output can be added by plugging in controller cards into the motherboards pci or pci express slots. Jan 05, 2017 input devices are used to give data and instructions to the computer. This transformation is performed by input interface. They are locators and selectors a joystick has two potentiometers, they have been attached to a single lever. Keyboard and mouse are the most commonly used input devices. Input devices as well as output devices are a neccessity in order to. Dec 14, 2010 here i am going to share you about list of basic input devices, output devices and both inputoutput devices related to computer. Input output devices are required for users to communicate with the computer. Inputs are the signals or data received by the system, and outputs are the signals or data sent from it. Below we discuss the variety of peripheral devices used for computer input and output. The data entered through input device can be some text, some graphical image or symbol, sound etc, depending on the form of the raw data the various input devices are available. Digitizer is an input device which converts analog information into digital form.
An input device is any hardware component that allows a user to enter data and instructions into a computer. Chapter 4 input and output oakton community college. Monitors graphic plotter printer 992019 designed by. The jo ystick is a vertical stick which moves the graphic cursor in a. Input devices are used to input information to computers while output device transmit information to one or more users.
For graphical output, the routines in the computer convert the x,y position, plus the r,g,b color sequences to points on a monitor. But when it comes to know about them and how they work, such devices are categorized as input and output devices. Input devices that read printed text and graphics and transfers them to a computer in digital form data is typically input as a single image can scan photos, documents, images types of scanners flatbed portable 3d receipt and business card scanners understanding computers. For example, a higherquality graphics card can be plugged in, and the built. Every computer has a monitor, an audio adapter, and a gpu either onboard or discrete. Input and output devices used for computer graphics. Output can be text, numeric data, line, polygon, and other objects.
The digitized pad is useful in converting graphic input, such as charts, graphs, and blueprints into patterns that can be manipulated and stored by the computer. The following is a list of the most common input devices which are nowadays found in a computer system. Input output devices printer computing computer monitor scribd. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device. Now a day computer is one of the most important field for every examinations. The computer will be of no use unless it is able to communicate with the outside world. Pdf input output storages devices in computers researchgate. Output device can produce the final product of machine processing into a form usable by humans. The computer transmits data to the drive, where it is saved and can be later accessed. What is the difference between an input and output device.
Monitor and the printer are the commonly used output devices. Pdf computer input and output devices ingamule siraji. Central processing unit carries out the basic operations or processes. Keyboard,mouse,joystick,scanners,digital camera, bar code reader, touch sreeen,speech input device microphone iii. In computing, input output refers to the communication between aninformation processing system such as a computer, and the outside world. What is the purpose of output devices in computer graphics. How do you ever wonder how information gets in your computer and how comes out in a form you can use. Digitizer is also known as tablet or graphics tablet because it converts graphics and pictorial data into binary inputs. Computer inputoutput ports and interfaces 1 terms and abbreviations. Graphics software two classifications general programming package specialpurpose application package. Getting the right input devices for your computer system can make a world of difference in your computers performance and can improve the quality of your time spent at the screen. Dec 29, 2016 an input devices converts the data and instructions into binary form that computer can understand.
These examples of output devices also include input output devices. Inputoutput devices are required for users to communicate with the computer. Input and output devices input and output devices joseph j. Few examples of output devices are printers, projector, plotters, monitor, speakers, head phone, etc. Input devices data glovepolhemus a modern attempt to provide the user with more degrees of freedom common in virtual reality applications polyhemus can provide six degrees of freedom rotation and translation head mounted display although primary a display device, it can also track position and orientation like polhemus space ball. Examples of io devices are cd drives, dvd drives, usb drives, hard disk drives hdds, and floppy disk drives. Input and output devices people at vt computer science. Output devices monitor the device which displays computer output. Data that has been processed into a useful form, called information p. Input output devices list with their functions pcguide4u. This document contains all input as well as output devices of the computer. A printer is also very commonly used with computers. Input devices input is any data or instructions entered into the memory of a computer.
They can be used by the computer to create a picture of whatever the camera had been pointed at. Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. Example glgraphics library system on silicon graphics equipment. The data can be in the form of text, graphics, sound, and text. Nov 16, 2019 what are the output devices of my computer. D student brown university, department of computer science providence, rhode island lead consultant and founder.
Input devices various hardware devices have been developed to enable the user to interact in the more natural manner. Output devices are used to display the result or information on the computer. Nov, 2018 an input device sends information to a computer system for processing, and an output device reproduces or displays the results of that processing. Some types of output are text, graphics, tactile, audio, and video. 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. 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. Apr 10, 2017 output devices in all applications allow you to display, print, or otherwise present the results of your program to anyone, period, who is not, in fact, inside the memory core of the computer. The distinction between output devices and input devices.
Input is any data or instructions entered into the memory of a computer. Mcq input and output device of computer with answers pdf. List of input devices, output devices and both input output. The input devices are the hardware that is used to transfer transfers input to the computer. Inputoutput devices dont only produce output, but can also be used as storage and input devices. Without any input devices, a computer would only be a display device and not allow users to interact with it. Microphone gives sound or voice input to the computer. Pdf assinment find, read and cite all the research you need on researchgate. Mouse, digitizer, digital camera, laser measurment device, etc. What are graphical input and output devices in a computer. A general graphics programming package provides an extensive set of graphics functions that can be used in highlevel programming languages.