A track ball comes in various shapes like a ball, a button and a square. The computer transmits data to the drive, where it is saved and can be later accessed. The designation of a device as either input or output depends on perspective. Input is usually given by clicking the mouse or typing on the keyboard.
Brown university compter graphics lab input and output devices for 3d interaction joseph j laviola jr ph. Pdf input output storages devices in computers researchgate. Speaker act output device and microphone act as input. Computer devices computer input and output devices 992019 designed by. Input and output devices of a computer system are the devices that connect you to computer. Mouse and keyboard gamepad and joystick digital camera and digital video camera biometric authentication device touch screen digitizer scanner mice and keyboards. Microphone gives sound or voice input to the computer.
Below we discuss the variety of peripheral devices used for computer input and output. A touch screen is an inputoutput touchsensitive display. Input and output devices introduction the unit 4 presents the information of input and output devices. They are divided into two categories 1 manual input devices devices that need human involvement to input data 2 automatic input devices devices that do not need human involvement to input data. Here i am going to share you about list of basic input devices, output devices. The inputoutput interface connects the computer to the outside world and is therefore an essential part of the computer system. The keyboard arrangement provided as standard on most keyboards is. Input output devices questions and answers computer. Computer inputoutput ports and interfaces 1 terms and abbreviations. Input and output devices are required for users to communicate with the computer. The computer will be of no use unless it is able to communicate with the outside world. Hardware of computerinput devices scanner webcam keyboard mouse output devices leds lcd printer speakers storage devices primary storage devices. In computing, inputoutput refers to the communication between aninformation processing system such as a computer, and the outside world. Devices input and output unit 4 input output devices.
Computer hardware equipment used to communicate the results of data processing carried out by a computer to the outside world. On a computer keyboard input device, if you type h, it sends inputs a signal to the computer. Data that has been processed into a useful form, called information p. Now a day computer is one of the most important field for every examinations. Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. Input and output devices an input device enters data or instructions into a computer. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device. These devices communicate with cpu to receive the inputs from a user and output the results in some form or the other. Pdf computer input and output devices ingamule siraji academia. Many of these are less complex versions of io devices that have been available for larger computer systems. Apart from cpucentral processing unit, the other two main components are input and output devices. 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. Keyboard and mouse are the most commonly used input devices.
Job interview questions on basic computer technology and internet part2. 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. Can you give an example of input and output for a computer. Students complete a range of activities on computer storage and the different types. For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices. A number of inputoutput devices are used with many types of microcomputers. 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. Inputoutput devices and interaction department of computer. Ingamule siraji 1 a computer is an electronic device that works.
However, nearly all examples of humancomputer interaction require both input and output to do anything useful. 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. Input devices are used to give data and instructions to the computer. Examples of io devices are cd drives, dvd drives, usb drives, hard disk drives hdds, and floppy disk drives. Input devices bring information into the computer and output device send.
Inputoutput devices are required for users to communicate with the computer. Computer input, processing, output and storage devices. Following are few of the important input devices which are used in a computer. Monitor and the printer are the commonly used output devices. An output device works by receiving a signal from the computer and using that signal to perform a task to display the output.
Input devices of a computer input output system in computer architecture and organizatkion output devices of computer input and output input output model input and output machines unknown alert type input input and output flow diagram pmbok 6 input and output chart input and output pmbok 6th edition hindi indic input 2 user guide input,tool and tecniches output. The monitor displays the video and graphics information generated by the computer through the video card. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Input is any data or instructions entered into the memory of a computer. An input device is any hardware component that allows a user to enter data and instructions into a computer. These examples of output devices also include inputoutput devices. Output device can produce the final product of machine processing into a form usable by humans. List of input devices, output devices and both input. Input devices input devices any peripheral piece of computer hardware equipment used to provide data and control signals to a computer. Monitors are very similar to televisions but usually display information at a much higher resolution. Unit 2 input and output devices pdf computer keyboard.
Monitor led, lcd, crt etc printers all types lcd projection panels. So dear reader i have provided top expected gk questions from input and output device of computer. Without any input devices, a computer would only be a. Input devices a keyboard it is a text base input device that allows the user to input alphabets, numbers and other characters. Input output interface an overview sciencedirect topics. Input devices output devices keyboard mouse joystick scanner light pen touch screen monitor lcd printer plotter. Joysticks are often used to control video games, and usually have one or more pushbuttons whose state can also be read by the computer. Jul 22, 2018 computer devices includes, input, output, processing and storage. Output devices are used to display the result or information on the computer.
The devices which are used to input the data and the programs in the computer are known as input devices. Input devices let you to transfer data and user command into the computer system. Output devices monitor the device which displays computer output. D student brown university, department of computer science providence, rhode island lead consultant and founder. Most devices are only input devices or output devices, as they can. An activity booklet introducing students to computer storage and the different types of digital devices input and output. List of input devices, output devices and both input output. Facsimile fax it has scanner to scan the document and also.
Input devices input is any data or instructions entered into the memory of a computer. Headsets headset consists of speakers and microphone. For example, below is a basic list of steps of how an output device works. 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. When the cpu puts the address of a peripheral onto the address bus, the inputoutput interface decodes the address and identifies the unique computer peripheral with which a data transfer operation is to be. An input device is a piece of hardware that is used to enter data into a computer. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. Inputoutput devices dont only produce output, but can also be used as storage and input devices. Jan 12, 2017 a desktop computer is made up of three parts as discussed in computer components. Inputs are the signals or data received by the system, and outputs are the signals or data sent from it. The input devices include the mouse, keyboard,microphone e. What is the difference between an input and output device. Mcq input and output device of computer with answers pdf.
Computer devices includes, input, output, processing and storage. This interactive quiz will test what you know about types of computer input devices. 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. 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. Without any input devices, a computer would only be a display device and not allow users to interact with it. The handout is about the types of computer input and output devices. Since the whole device is not moved, a track ball requires less space than a mouse. Input and output devices bangladesh open university. 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.
This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. Input devices of a computer input output system in computer architecture and organizatkion output devices of computer input and output input output model input and output machines unknown alert type input input and output flow diagram pmbok 6 input and output chart input and output pmbok 6th edition hindi indic input 2 user guide input,tool and tecniches output pembok 6 input and output. Input and output devices people at vt computer science. Devices for communication between computers, such as modems and network cards, typically perform both input and output operations. 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. Chapter 4 input and output oakton community college. Following are few of the important output devices which are used in a computer. A desktop computer is made up of three parts as discussed in computer components. Input and output devices of computer computer notes. 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. Input and output devices input and output devices joseph j.
In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. It is accompanied by a printable worksheet that makes it. The following is a list of the most common input devices which are nowadays found in a computer system. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Display devices that are touched with the finger to select commands or otherwise provide input to the computer common on portable computers, smartphones, and other mobile devices multitouch can recognize input from more than one finger at a time table pc large screen computer either built into a table or. Input and output devices can also be written as io devices. Pdf computer input and output devices ingamule siraji. 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.
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