Devices input and output unit 4 input output devices. What is the difference between an input and output device. This is a ball which is half inserted and by moving fingers on the ball, the pointer can be moved. Computer input devices in computer fundamentals tutorial 31. Inputoutput devices dont only produce output, but can also be used as storage and input devices.
Computer inputoutput ports and interfaces 1 terms and abbreviations. They are divided into two categories 1 manual input devices devices that need human involvement to input data. Generally input devices are manual or direct data entry devices. Without any input devices, a computer would only be a display device and not allow users to interact with it. In this chapter you will explore the basic components of a computer system including the peripheral devices used for developing multimedia applications. Computer devices computer input and output devices 992019 designed by.
Logitech m570 wireless trackball mouse ergonomic design with sculpted stylus pen with palm rejection, fojojo active stylus compatible with apple wacom ctl4100 intuos graphics drawing tablet with 3 bonus software included. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. 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. This interactive quiz will test what you know about types of computer input devices. An input device for a computer allows you to enter information. These scanned images are then used in computer aided design cad, or sent to a d printer to take a 3d printout. Input devices accept data and instructions from the user. Input devices pointing devices keyboard optical input devices audio input device video inpu device. Ingamule siraji 1 a computer is an electronic device that works. An input device is any tool device for entering information into a computer. A computer system refers to the computer itself and all other components associate to the functionalities of the computer including human beings operating the computer.
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. Cpu controls all the connected input and output devices. Input devices a keyboard it is a text base input device that allows the user to input alphabets, numbers and other characters. After completing this chapter you should understand.
Pdf input output storages devices in computers researchgate. Input devices input devices any peripheral piece of computer hardware equipment used to provide data and control signals to a 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. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. The instructions are given to the computer via the input devices. An input device is any hardware component that allows a user to enter data and instructions into a computer.
Most devices are only input devices or output devices, as they can. Keyboards allow a computer user to input letters, numbers, and other symbols into a computer uses an arrangement of buttons or keys. Inputoutput devices are required for users to communicate with the computer. However, there are dozens of other devices that can also be used. The following is a list of the most common input devices which are nowadays found in a computer system. 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 computer interacts with the external environment via the inputoutput io devices attached to it. 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. List of input devices, output devices and both input. The handout is about the types of computer input and output devices. 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. New input devices and media can help redress this imbalance by obtaining data from the user.
You can hang them on walls or wear them on your wrists. Computer input once consisted of such actions as setting switches and knobs and plug. 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. Developers are concerned about the performance features of not only the processor, but also all input, storage, and output devices. Computer hardware equipment used to communicate the results of data processing carried. The computer will be of no use unless it is able to communicate with the outside world. The picture shows a logitech trackball mouse, which is an example of an input device the most commonly used or primary input devices on a computer are the keyboard and mouse. The input devices are those that fulfill the function of entering or providing data and control signals to the central processing unit of a system. Mcq input and output device of computer with answers pdf. Input and output devices introduction the unit 4 presents the information of input and output devices. 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. Input devices of computer computer awareness study material.
Use of computer input devices by older adults request pdf. Examples of io devices are cd drives, dvd drives, usb drives, hard disk drives hdds, and floppy disk drives. So dear reader i have provided top expected gk questions from input and output device of computer. However, nearly all examples of humancomputer interaction require both input and output to do anything useful. Input and output devices of a computer system are the devices that connect you to computer. Input devices are part of the four main hardware components of a computer system. However, there are dozens of other devices that can. Input and output devices can also be written as io devices. Since the whole device is not moved, a track ball requires less space than a mouse. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device. The flatpanel display refers to a class of video devices that have reduced volume, weight and power requirement in comparison to the crt. In most cases, we speak of input devices for devices that have a connection to the central unit of a computer, that is, the cpu. The distinction between output devices and input devices.
Pdf computer input and output devices ingamule siraji. List of input devices, output devices and both input output. Computer input, processing, output and storage devices. Input devices input is any data or instructions entered into the memory of a computer. Input devices keyboard one of the primary input devices used with a computer. Dec 14, 2010 list of input devices, output devices and both input output devices related to computer. The picture shows a logitech trackball mouse, which is an example of an input device. Input devices of computer computer awareness study material for bank exams. Nov, 2018 an input device is any hardware device that sends data to a computer, allowing you to interact with and control it.
Input devices or input units help feeding the data into a computer. One of the primary input devices used with a computer. Can you give an example of input and output for a computer. Joysticks are often used to control video games, and usually have one or more pushbuttons whose state can also be read by the computer. 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. These input output devices are also known as peripherals since they surround the cpu and memory of a computer system. Pointing devices a pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to. Most input devices either interact with or control the computer.
Input devices it is an electromechanical device that can be used to enter data and instructions to the computer. The computer transmits data to the drive, where it is saved and can be later accessed. Any hardware component used to enter data, programs, commands, and user responses into a computer scanners and reading devices voice input keyboard pointing device video input digital p. It is accompanied by a printable worksheet that makes it. A joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling. 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. The user can communicate with the computer with the help of inputoutput devices. Job interview questions on basic computer technology and internet part2. An input device is any hardware device that sends data to a computer, allowing you to interact with and control it. To conclude the lesson the class examines common activities they do on a computing device and select the. The most fundamental pieces of information are keystrokes on a keyboard and clicks with a mouse. Input is any data or instructions entered into the memory of a computer. Following are few of the important input devices which are used in computer systems.
Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. Computer devices includes, input, output, processing and storage. 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. Keyboard mouse joy stick light pen track ball scanner graphic tablet microphone magnetic ink card readermicr optical character readerocr bar code reader optical mark readeromr keyboard keyboard is the most common and very popular input device which helps in inputting. Input devices let you to transfer data and user command into the computer system.
Following are some of the important input devices which are used in a computer keyboard. Keyboard is a input device used for entering data into computer by pressing one key at one time. An input device is any peripheral used to provide data and control signals to a computer. Input devices as well as output devices are a neccessity in order to ensure that data is entered into a computer to be processed and the results output. Data that has been processed into a useful form, called information p. However, nearly all examples of humancomputer interaction require. 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. For example, what good would a mouse be without the corresponding feedback embodied by the cursor on the screen, as well as the sound and feel of the buttons when they are clicked. Computer input devices in computer fundamentals tutorial. 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. It allows the user to point to displayed objects or draw on the screen in a similar way to a touchscreen but with greater positional accuracy.
The most commonly used or primary input devices on a computer are the keyboard and mouse. Input devices pointing devices light pen a light pen is a computer input device in the form of a lightsensitive wand used in conjunction with a computers crt display. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. An input device is essentially a piece of hardware that sends data to a computer.
Understand how to input data into a handheld computer. Based on the instructions given, the computer will start processing it. Now a day computer is one of the most important field for every examinations. The input devices include the mouse, keyboard,microphone e. For the love of physics walter lewin may 16, 2011 duration. The image below shows where input dev ices fit into a computer system. The keyboard looks very similar to the keyboards of electric typewriters, with some additional keys. A number of inputoutput devices are used with many types of microcomputers. Input output devices questions and answers computer. Input devices input devices are those devices from which we can input data and instructions into the computers. Many of these are less complex versions of io devices that have been available for larger computer systems.
Current uses of flatpanel displays include calculators, video games, monitors, laptop computer, graphics display. The above pdf is based on input and output devices and contains the following. Output devices output devices any peripheral that receives or displays output from a computer. Following are few of the important input devices which are used in a computer. 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 internet part1. Any device has to be connected to the cpu to receive or send information. Here i am going to share you about list of basic input devices, output devices. Some commonly used input output devices are listed in table below.
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