Optical character recognition ocr is a method of converting a scanned image into text. Input devices a keyboard it is a text base input device that allows the user to. Input is usually given by clicking the mouse or typing on the keyboard. Input output device input output device input output device input output device input output device a some activities to be done in the class by groups of students 1. Input and output devices introduction the unit 4 presents the information of input and output devices. Input devices pointing devices keyboard optical input devices audio input device video inpu device 7. Now a day computer is one of the most important field for every examinations. A number of inputoutput devices are used with many types of microcomputers. Input and output device input and output device a presentation task each group will research, design, create and.
Inputoutput devices and interaction department of computer. Download hires image product description the inputoutput device occrj45 provides connection of any greengate low voltage occupancy sensor, or other low voltage maintain closure, to the room controller or dlvp power module to define the occupancy state of the space. Inputoutput and peripheral device management services were created to remove the physical details of use from user processes and to provide for more seamless and fair management of the resources. Monitor and the printer are the commonly used output devices. Introduction the computing literature often draws a sharp distinction between input and output. Input devices let you to transfer data and user command into the computer system.
Inputoutput devices and interaction techniques 2004. Input output audio driver controller 2020 free download. Input devices imaging and video input devices optical scanner an optical scanner is a hardware input device that allows a user to take an image or text and convert it into a digital file, allowing the computer to read or display the scanned object. 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 circle input or outp. 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. The device you connect to your analog output is what decides which type of analog signal you should be using. Magnetic ink character recognition micr micr input device is generally used in banks because of a large number of check to be processed every day. For example, a higherquality graphics card can be plugged in, and the built. A touchpad or trackpad is a kind of input device that has a limited area wherein you can point, scroll, click and swipe. The computing literature often draws a sharp distinction between input and output.
The following is a list of the most common input devices which are nowadays found in a computer system. Input devices as well as output devices are a neccessity in order to ensure that data is. Input devices a keyboard it is a text base input device that allows the user to input alphabets, numbers and other characters. Input output device software free download input output device. An input device is any peripheral used to provide data and control signals to a computer. This is the standard input device attached to all computers. When i draw using a mouse, it is an input to the computer. Other device types maybe required for pdf files containing characters from languages like chinese, arabic etc. Neagu iulia veronica unit 2 input and output devices unit 2 input and output. Create an output device as shown in the screenshots below.
There will be 4 to 5 questions in input output topic is present in recent competitive exams. Find out inside pcmags comprehensive tech and computerrelated encyclopedia. An input device is a peripheral which accepts data and sends it to the cpu. The term synchronous means the output changes state only when the clock input is triggered. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Input and output devices 3 lecture outline output devices visual displays audio output tactile and haptic output input devices discrete event devices continuous event devices combination devices speech input the first part of the lecture will describe a number of output devices that stimulate the. Save print output as pdf file in front end system using. Output generated by output device classified into two types. Host spooler in the frontend system is used for downloading pdf files. Input and output devices input devices allow us to send information to the computer. Pointing devices a pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to move the mouse cursor in a computer program or operating system.
When the computer gives the printout, it is the output. 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. An output device is an electromechanical device which accepts data from a computer and translates them into a human acceptable form. Input and output devices 5 head mounted displays device has either two crt or lcd screens plus special optics in front of the users eyes. Input and output devices can also be written as io devices. Pdf assinment find, read and cite all the research you need on researchgate. The main function of the input device is to enter the data in the computer. To do this, click the entry for the output device that is to be used as a template. When a peripheral device is added that is new to the computer, a.
Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. The inputoutput device occrj45 provides connection of any greengate low voltage occupancy sensor, or other low voltage maintain closure, to the room controller or dlvp power module to define the occupancy state of the space. However, nearly all examples of humancomputer interaction require both input and output to do anything useful. Pdf input output storages devices in computers researchgate. Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. C file input and output i o cse303 todd schiller november 9, 2009.
Touchpad allows to use all the features as you do with a computer mouse trackpoint. The various examples of input data are a mouse, keyboard, light pen, etc. Input output questions is one of the important topic for all competitive exams, candidates can download this input output questions pdf which will be helpful for your preparation. It forms images from tiny dots, called pixels that are. A two degrees of freedom device controlled by electromagnetic or sound sensing provides absolute position information touch screen a crt screen that can sense pressure on its surface light pen a two degrees of freedom sensing device synchronized with the crt scan, it can locate a position on the screen. Input and output devices of computer computer notes. A touchpad most commonly found on computer laptops computer brand doesnt matter. Some commonly used inputoutput devices are listed in table below. It is an output device which provides a high quality of printed output. Input and output devices are required for users to communicate with the computer.
Monitors are very similar to televisions but usually display information at a much higher resolution. Keyboard,mouse,joystick,scanners,digital camera, bar code reader, touch sreeen,speech input device microphone. This could be a flow controller valve, a frequency converter or even an analog input on another plc. Aug 30, 20 types of input devices keyboard mouse scanner 5.
Computer devices computer input and output devices 992019 designed by. The above pdf is based on input and output devices and contains the following. The input devices translate the information into the form understandable by computer. So the candidates must do enough preparation and practice to get all 4 or 5 marks in input output questions.
Port terminal lets you connect to serial port device or to remote computer using nullmodem cable or lan, send and receive various types of data ascii string, binary, octal and hexadecimal, redirect inputoutput data streams into a specified file. Because essentially you will connect a load to the output. How do you ever wonder how information gets in your computer and how comes out in a form you can use. A track ball comes in various shapes like a ball, a button and a square. Understand the importance of design controls in device. The monitor displays the video and graphics information generated by the computer through the video card. Ppt input and output devices powerpoint presentation free. Input output devices list with their functions pcguide4u.
Input devices bring information into the computer and output device send. Io devices are used to interact with the computer system. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. Devices input and output unit 4 input output devices. View input output device ppts online, safely and virusfree. Input devices are used to give data and instructions to the computer. Input output device software free download input output. An input device is any tool device for entering information into a computer. Input devices input is any data or instructions entered into the memory of a computer. Input and output devices of a computer system are the devices that connect you to computer.
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. An input device is any hardware component that allows a user to enter data and instructions into a computer. Output devices the devices which are used to display the results or information are called output devices. A touch screen is an input output touchsensitive display. Input output devices software free download input output. Click on document chapter 3 input and output devices. Unit 2 input and output devices pdf free download pdf.
Output devices monitor the device which displays computer output. If you have more than one soundcard installed on your computer it is a easy way to see all the inputs of your soundcards. Enter the device type that is defined in the sap system for the printer model, such as hplj4 for the hp laser jet. Ideally have the same interface to all devices device independence. Port terminal lets you connect to serial port device or to remote computer using nullmodem cable or lan, send and receive various types of data ascii string, binary, octal and hexadecimal, redirect input output data streams into a specified file. Many of these are less complex versions of io devices that have been available for. C file input and output io university of washington. Input devices output devices keyboard mouse joystick scanner light pen touch screen monitor lcd printer plotter ii. Save print output as pdf file in front end system using pdf. A number of input output devices are used with many types of microcomputers. Many of these are less complex versions of io devices that have been available for larger computer systems. For that aspirants should have to collect input output questions pdf having high quality questions based on new exam pattern and syllabus.
Aug 27, 2018 microphonemicrophone is an input device to input sound that is then stored in digital form. It is possible to precisely calibrate a color device so that the particular inputs required to produce a color may be specified in cie tristimulus values. Since the whole device is not moved, a track ball requires less space than a mouse. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. Ingamule siraji 1 a computer is an electronic device that works. 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. Input output device based mcq mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. So dear reader i have provided top expected gk questions from input and output device of computer. Input output audio driver controller 2020 free download for. The goal of peripheral device management services is to make access clear, clean, and transparent to users.
Computer inputoutput ports and interfaces 1 terms and abbreviations. Additional inputoutput can be added by plugging in controller cards into the motherboards pci or pci express slots. You can view the output on the monitor or you can print it on a paper using a printer. The keyboard is a primary device for inputting text by pressing a set of keys. Input and output devices bangladesh open university. Jan 05, 2017 name any two input devices you commonly use while working on computer. Pdf computer input and output devices ingamule siraji.
Mcq input and output device of computer with answers pdf. Following are few of the important output devices which are used in a computer. Output devices allow us to receive information from the computer. Add a new output device using the spad transaction with device type set to pdf1.
It is the most common input device used for entering data and information into the computer system. Dear aspirant, as you know computer is very important section to get a good score for bank exam. 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. 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. A handy tool to controll the inoutput audio drivers. Process doesnt need to distinguish between input coming from terminal, the network, a le or another process.860 1202 484 1481 710 616 203 445 1127 189 771 1497 1448 788 520 183 1288 1013 1210 369 702 404 785 1411 1216 907 194 1476 35 1242 611