Input and output devices can also be written as io devices. Digitizer is an input device which converts analog information into digital form. Most modern monitors can display 1024 by 768 pixels, the svga standard. Home users can save space using a kvm switch, as seen in figure 1, to connect multiple. Computer output devices receive information from the computer, and carry data that has been processed by the computer to the user. Input devices let you to transfer data and user command into the computer system. 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.
An input device is any hardware component that allows a user to enter data and instructions into a computer. The video card is an expansion card that allows the computer to send graphical information to a video display device such as a monitor, tv, or projector. Now a day computer is one of the most important field for every examinations. Projectors are ideal when training or presenting information to a large audience. Flow of presentation introduction types of output device 3. An output device is any piece of computer hardware equipment which converts information into. Output devices in the sap spool system sap library sap. Input is any data or instructions entered into the memory of a computer. A printer is an output device that produces a printout or hard copy of the output from a computer. The handout is about the types of computer input and output devices. Computer is fed with a lot of data to be processed and organised.
Input output devices questions and answers computer. Keyboard,mouse,joystick,scanners,digital camera, bar code reader, touch sreeen,speech input device microphone iii. For the love of physics walter lewin may 16, 2011 duration. Input and output devices computer mcq question in hindi, pdf.
Some commonly used input output devices are listed in table below. Printed output is also called hard copy output because unlike monitor, this output can be preserved even if the computer is switched off. On a computer keyboard input device, if you type h, it sends inputs a signal to the computer. Mcq input and output device of computer with answers pdf.
This is the most common output device connected with the computer to display the processed information. Input is usually given by clicking the mouse or typing on the keyboard. Output devices monitor features display resolution the resolution of a monitor indicates how densely packed the pixels are. This instructional technology set may be used at a computer center in a classroom, or in a computer lab. The audio output is the ability of the computer to output sound. 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. Input and output devices bangladesh open university. Monitor printer speaker headphone monitor a monitor is an output device similar. To conclude the lesson the class examines common activities they do on a computing device and select the. Our focus is simple groundbreaking concepts, new sounds, new sources of inspiration. 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. Any peripheral piece of computer hardware equipment used to provide data and control signals to a computer. 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.
Thus, most output devices used by humans are in these categories. Input and output devices department of computer science. Every computer has a monitor, an audio adapter, and a gpu either onboard or discrete. As the document can be output using not only printers, but also archiving devices, these devices are called output devices in. An output device is any device used to send data from a computer to another device or user. Plotter is a device that draws pictures on paper based on commands from a computer. An input device is any tool device for entering information into a computer. This poster set displays eleven computer parts and definitions with a cute mouse theme. Input and output devices make up the hardware interface between a computer and a scanner or 6dof controller. 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 six degrees of freedom sphere.
Computer component that produces music, speech, and other sounds speakers and headsets are common devices p. The input devices include the mouse, keyboard,microphone e. Many of these are less complex versions of io devices that have been available for larger computer systems. Pdf input output storages devices in computers researchgate. Devices input and output unit 4 input output devices. The data that has been processed into a useful form is called output. A printer is also very commonly used with computers. Input devices any peripheral piece of computer hardware equipment used to provide data and control signals to a computer.
Pdf computer input and output devices ingamule siraji. You can pick out how loud you want your system to be and find the sound package that works for. 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. Computer output refers to processed data called information. They can be used by the computer to create a picture of whatever the camera had been pointed at.
Io devices are used to interact with the computer system. Posts about type of output devices written by scholar. The above pdf is based on input and output devices and contains the following. It gives a detailed listing of the various types of input devices and the output devise. Jan 05, 2017 this is an important output device of the computer system. Input and output devices of a computer system are the devices that connect you to computer. Digitizer can convert a signal from the television or camera into a series of numbers that could be stored in a computer. A peripheral is a device that is used to put information into or get information out of the computer. Output devices provide data in myriad different forms, some of which include audio, visual, and hard copy media. 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.
A number of input output devices are used with many types of microcomputers. An input device is any peripheral used to provide data and control signals to a computer. A track ball comes in various shapes like a ball, a button and a square. Computer input and output devices tower cpu speake. Converts digital output from computer into analog video signal. 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. Monitor and the printer are the commonly used output devices. For example, below is a basic list of steps of how an output device works. Pfizer central research, sandwich, kent ct 9nj, united. 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.
Without any input devices, a computer would only be a display device and not allow users to interact with it. Data projectors are output devices used to project the digital output from a computer device on to a large screen or wall. Output devices allow us to receive information from the computer. Output, which provides output to the user from the computer monitors, printers, etc. Since the whole device is not moved, a track ball requires less space than a mouse. Following are few of the important output devices which are used in a computer. Difference between input devices and output devices.
These input output devices are also known as peripherals since they surround the cpu and memory of a computer system. It gives a printed output of the results that appears on the monitor screen. Input devices a keyboard it is a text base input device that allows the user to input alphabets, numbers and other characters. With respect to class 3 input and output devices, a keyboard, which looks like a typewriter, is the most common input device of a computer system. 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. Keyboards have the combination of letters and numeric keys. A target device must be specified for the output for every document to be printed in the sap system.
Output develops innovative software and gear for musicians, composers, producers and sound designers across all genres. 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. So dear reader i have provided top expected gk questions from input and output device of computer. Introduction an output device is an electromechanical device that accepts data from a computer and translates them in suitable form for the users. Output is the process of transmitting the processing data into a form that makes sense to human. Input devices input is any data or instructions entered into the memory of a computer. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. Output devices notes on data entry for nios online course. The devices are usually used for display, projection, or for physical reproduction. Theyre an audio output device allowing the transmission of sound files so the user can hear them. Output devices of computer input output system in computer architecture and organizatkion wine output is measured as an index output which is hypothesized to be influenced by two inputs c wine output is measured as an index output which is hypothesized to be influenced by two inputs c input devices of a computer intraosseous devices. Input, used to interact with, or send data to the computer mouse, keyboards, etc. Chapter 4 input and output oakton community college.
Computer input, processing, output and storage devices. Monitors and printers are two of the most commonlyknown output. Output devices generate computer output that can be broadly classified into two types. Still running wso f graphics supported computer used only to support output device, not to run tex at this installation. It is also known as graphics card, video board, or video controller or video adapter. When you have the device type zpdf1 you can create an output device using this device type and access method ll print locally. In general, the more pixels often expressed in dots per inch, the sharper the image. Output deviceoutput devices return processed data that is information, back to the user. Groups are assigned to a computing device and based on a teacherprovided definition of input and output, list the inputs and outputs of their device. The output device is a component of a computing system that takes data or instructions after processing. Most computer data output that is meant for humans is in the form of audio or video. In this the class students consider a number of computing devices to determine what types of inputs and outputs they use.
Mouse and keyboard gamepad and joystick digital camera and digital video camera biometric authentication device touch screen digitizer scanner mice and keyboards. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. 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. Amazing 20 examples output devices and their functions. 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. Computer devices computer input and output devices 992019 designed by. The input device converts the data into the computer s own internal code. Sound card plays contents of digitized recordings, speakers attached to sound card. A keyboard, video, mouse kvm switch is a hardware device that can be used to control more than one computer while using a single keyboard, monitor, and mouse.
Output is the result we get through output devices. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Sep 20, 2012 introduction an output device is an electromechanical device that accepts data from a computer and translates them in suitable form for the users. Display devices display device presents output visually on some type of screen monitor display device for a desktop computer display screen screen built into a variety of devices notebook and other portable computers mobile phones and mobile devices handheld gaming devices, home entertainment devices, kitchen appliances. The chapter has given an introduction to the inputoutput devices. Input output devices are required for users to communicate with the computer. Input and output devices introduction the unit 4 presents the information of input and output devices. Depending on the type of computer and how the computer is used, other output devices may be used with a computer. The user can usually choose whether the projector mirrors their computer screen, extends it, or replaces it. Computer talks to you through speakers on computer p.
Ingamule siraji 1 a computer is an electronic device that works. For businesses, kvm switches provide costefficient access to multiple servers. Input and output devices 2 goals provide practical introduction to the hardware required for virtual environment and 3d interaction examine common and state of the art io devices. The devices which are used to display the results or information are called output devices. Heres a look at output devices such as monitors, speakers, printers and ebooks. 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. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. Since a sequence of operations can be readily changed, the computer can solve more than one kind of problem. The following is a list of the most common input devices which are nowadays found in a computer system. You should understand, the output or the result of processing can be in multiple formats like display, sound, projection, etc. The computer will be of no use unless it is able to communicate with the outside world. A randomized controlled trial comparing three intraosseous devices input and output audio output transformers input and output machines input output model. This set includes a poster for each of the following.
A device that records images of text, or converts printed text into machinereadable form is called a. The sharpness of the image depends upon the number of pixels. This type of keyboard is available with most mainframe computer terminals or the expensive microcomputer systems. Page 1 cover i spy game page 2 instructions i spy game page 34 clue sheet i spy game other activities page 5 unscramble page 6 word search page 7 page 8 cross word puzzle page 9. Examples include monitors, projectors, speakers, headphones and printers. But when it comes to know about them and how they work, such devices are categorized as input and output devices. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. 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. You can view the output on the monitor or you can print it on a paper using a printer.
Monitors, commonly called as visual display unit vdu, are the main output device of a computer. How do you ever wonder how information gets in your computer and how comes out in a form you can use. Output devices are devices that receive data or instruction from a computer. A computer is a general purpose device which can be programmed to carry out a finite set of arithmetic or logical operations. There are two kinds of viewing screen used for monitors. Input and output devices an input device enters data or instructions into a computer.