Inputs are the signals or data received by the system and outputs are the signals or data sent from it. The instructions are given to the computer via the input devices. Jan 05, 2017 input devices are used to give data and instructions to the computer. The computer transmits data to the drive, where it is saved and can be later accessed. Input and output devices michtom school of computer.
Now a day computer is one of the most important field for every examinations. Examples of io devices are cd drives, dvd drives, usb drives. Central processing unit carries out the basic operations or processes. Chapter 4 input and output oakton community college. The following is a list of the most common input devices which are nowadays found in a computer system. Input devices that read printed text and graphics and. 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. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device.
Brown university compter graphics lab input and output devices for 3d interaction joseph j laviola jr ph. Character reads compare the digitized matrix of an unknown character against a stored set of templates. 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. An input device is any peripheral used to provide data and control signals to a computer. These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system. Monitor and the printer are the commonly used output devices. Inputoutput io systems are used to connect a computer with external devices called peripherals. To work with these data, we require different types of devices. Input devices it is an electromechanical device that can be used to enter data and instructions to the computer.
In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. Devices input and output unit 4 input output devices. Pdf computer input and output devices ingamule siraji. D student brown university, department of computer science providence, rhode island lead consultant and founder. Examples of input devices a keyboard is the most fundamental input device for. 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. Mcq input and output device of computer with answers pdf. 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. Keyboard keyboard is the most common input device used for entering text data directly into a computer. These data are then sent to the central processing unit for processing. 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. Harris, david money harris, in digital design and computer architecture, 2016. Input devices input devices any peripheral piece of computer hardware equipment used to provide data and control signals to a computer.
Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. Input and output devices of computer computer notes. The stick is connected to the base, so the stick can move freely up to the 180 degree that is used to move an object on the screen by moving it.
In this the class students consider a number of computing devices to determine what types of inputs and outputs they use. Analog signals are continuous and can have any number of statesnot just two, as with discrete digital signals. A temperature transducer is an example of an analog input device. Can you give an example of input and output for a computer. Keyboard and mouse are the most commonly used input devices. 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. Computer input, processing, output and storage devices. Inputoutput devices and interaction department of computer. Input and output devices can also be written as io devices. Ther are various types of input and output devices. Inputoutput organisation computer architecture tutorial.
The inputoutput system module 2 3 analog devices in contrast to discrete devices, analog devices are input or output devices that provide or receive analog signals. Input and output devices of a computer system are the devices that connect you to computer. In a personal computer, the devices typically include keyboards, monitors, printers, and wireless networks. These devices communicate with cpu to receive the inputs from a user and output the results in some form or the other. Input and output devices of computer input and output. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Input devices are used to input information to computers while output device transmit information to one or more users. 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. An input device is any tool device for entering information into a computer. An input device is used to bring data into the system. Job interview questions on basic computer technology and internet part2. Here i am going to share you about list of basic input devices, output devices and both inputoutput devices. Monitors and printers are two of the most commonly used output devices used with a computer. Computer hardware equipment used to communicate the results of data processing carried out by a computer to the outside world.
A desktop computer is made up of three parts as discussed in computer components. Dec 14, 2010 list of input devices, output devices and both input output devices related to computer. Here youll find the complete examples of input and output devices. Microphone gives sound or voice input to the computer. Input devices represent one type of computer peripheral the other two types are output devices and storage devices. These devices can help us enter data into the computer. Input and output devices people at vt computer science. Input output devices dont only produce output, but can also be used as storage and input devices. List of input devices, output devices and both input output. 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. Based on the instructions given, the computer will.
The monitor displays the video and graphics information generated by the computer through the video card. It forms images from tiny dots, called pixels that are. 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. Input devices let you to transfer data and user command into the computer system. Without any input devices, a computer would only be a display device and not allow users to interact with it. Input and output devices are the basic components of a computer system. 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 and output devices input and output devices joseph j. So dear reader i have provided top expected gk questions from input and output device of computer. Input devices as well as output devices are a neccessity in order to ensure that data is. 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.
Inputoutput devices dont only produce output, but can also be used as storage and input devices. To conclude the lesson the class examines common activities they do on a computing device and select the inputs and outputs. For example, the image shows an inkjet printer, an output device that can make a hard copy of anything shown on the monitor. Input devices 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 devices are designed to read information into or out of the memory unit upon command from the cpu and are considered to be the part of computer system. Examples of io devices are cd drives, dvd drives, usb drives, hard disk drives hdds, and floppy disk drives. In computing, inputoutput or io or, informally, io or io is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system. Difference between input and output devices input devices with respect to class 3 computer lessons, an input device is used to feed data to the computer system. Keyboard is most common input device is used today. Because of the high cost of ocr devices, they are uneconomic unless a substantial number of documents are to be processed each day.
An input device is a piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or. Nov 22, 2016 input devices pointing devices keyboard optical input devices audio input device video inpu device 7. Input and output devices 77 c 6 discrepancies figure 4. 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.
Computer devices includes, input, output, processing and storage. Input and output devices allow the computer system to interact with the outside world by moving data into and out of the system. Computer inputoutput ports and interfaces 1 terms and abbreviations. Pdf input output storages devices in computers researchgate. Keyboard is used in the input phase of a computerbased information system. These scanned images are then used in computer aided design cad, or sent to a d printer to take a 3d printout. Output devices output devices any peripheral that receives or displays output from a computer. These input output devices are also known as peripherals since they surround the cpu and memory of a computer system. Following are few of the important output devices which are used in a computer. To date, larger computer systems employ the traditional qwerty arrangement only. List of input devices, output devices and both input. Every computer has a monitor, an audio adapter, and a gpu either onboard or discrete.
Nov 16, 2019 what are the output devices of my computer. Io devices are used to interact with the computer system. Inputoutput devices are required for users to communicate with the computer. Apart from cpucentral processing unit, the other two main components are input and output devices. Input output devices questions and answers computer. Introduction to computers, anatomy of computers, input and. Introduction to computers, anatomy of computers, input and output devices.
Pdf assinment find, read and cite all the research you need on researchgate. This storage system has a number of substantial advantages. Monitors are very similar to televisions but usually display information at a much higher resolution. A printer is also very commonly used with computers. Data that has been processed into a useful form, called information p. The devices which are used to input the data and the programs in the computer are known as input devices. A discrete cartesian coordinate system of the screen pixels. Input and output devices michtom school of computer science.
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. Input or output devices that are connected to computer are called peripheral devices. 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. Input output io systems are used to connect a computer with external devices called peripherals. Input devices pointing devices keyboard optical input devices audio input device video inpu device 7.
An output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. Central processing unit carries out the basic operations or. Output devices are used to display the result or information on the computer. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Input output devices are required for users to communicate with the computer. Input devices or input units help feeding the data into a computer. 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. What is the difference between an input and output device.
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