Output devices or output units do not compute or process anything. 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. Following are the examples of various input devices, which are connected to the computer for this purpose. Following are few of the important input devices which are used in a computer. Computer devices computer input and output devices 992019 designed by. Pdf computer input and output devices ingamule siraji. Here i am going to share you about list of basic input devices, output devices. Many of these are less complex versions of io devices that have been available for larger computer systems. Inputs are the signals or data received by the system, and outputs are the signals or data sent from it. The sharpness of the image depends upon the number of pixels. Without any input devices, a computer would only be a.
Chapter 4 input and output oakton community college. 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. An activity booklet introducing students to computer storage and the different types of digital devices input and output. 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. A desktop computer is made up of three parts as discussed in computer components. Input devices represent one type of computer peripheral the other two types are output devices and storage devices.
Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. 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 is any data or instructions entered into the memory of a computer. Input and output devices of computer computer notes. Can you give an example of input and output for a computer. Input devices a keyboard it is a text base input device that allows the user to input alphabets, numbers and other characters. How do you ever wonder how information gets in your computer and how comes out in a form you can use. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. A touch screen is an inputoutput touchsensitive display. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. Research in input and output centers around the two ends of this channel. However, nearly all examples of humancomputer interaction require both input and output to do anything useful. Ingamule siraji 1 a computer is an electronic device that works. The computer will be of no use unless it is able to communicate with the outside world.
Monitor and the printer are the commonly used output devices. However, nearly all examples of human computer interaction require both input and output to do anything useful. Input devices are used to give data and instructions to the computer. In computing, inputoutput refers to the communication between aninformation processing system such as a computer, and the outside world. Which of the following computing devices did not exist in the precomputing age to the 19th. Input output devices questions and answers computer. Input and output devices introduction the unit 4 presents the information of input and output devices.
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. An output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. Following are few of the important output devices which are used in a computer. List of input devices, output devices and both input output. It also focuses on the different types of input and output devices used with computers. Monitors, commonly called as visual display unit vdu, are the main output device of a computer. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. Output device can produce the final product of machine processing into a form usable by humans. Without any input devices, a computer would only be a display device and not allow users to interact with it. Input devices let you to transfer data and user command into the computer system. In a personal computer, the devices typically include keyboards, monitors, printers, and wireless networks. Input and output devices people at vt computer science. In computing, input output refers to the communication between aninformation processing system such as a computer, and the outside world. Today, input devices are important because they are what allows you to interact with and add new information to a computer.
Harris, david money harris, in digital design and computer architecture, 2016. The handout is about the types of computer input and output devices. One of the primary input devices used with a computer. The computing literature often draws a sharp distinction between input and output. An input device is any hardware component that allows a user to enter data and instructions into a computer. Keyboard and mouse are the most commonly used input devices.
A printer is an output device that produces a printout or hard copy of the output from a computer. 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. 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. Joysticks are often used to control video games, and usually have one or more pushbuttons whose state can also be read by the computer. Input and output devices can also be written as io devices. 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 devices communicate with cpu to receive the inputs from a user and output the results in some form or the other. These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system. Devices input and output unit 4 input output devices. Monitors are very similar to televisions but usually display information at a much higher resolution. Apart from cpucentral processing unit, the other two main components are input and output devices.
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. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Students complete a range of activities on computer storage and the different types. Now a day computer is one of the most important field for every examinations. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device. Pdf input output storages devices in computers researchgate. Job interview questions on basic computer technology and internet part2. 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. To date, larger computer systems employ the traditional qwerty arrangement only. 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. Nov, 2018 why does a computer need an input device. Inputoutput devices and interaction department of computer. A printer is also very commonly used with computers.
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. For the love of physics walter lewin may 16, 2011 duration. 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. Which of the following devices is not a micro computer. The computer transmits data to the drive, where it is saved and can be later accessed. Conscious output is muscularly mediated communications. An input device is a piece of hardware that is used to enter data into a computer. The following is a list of the most common input devices which are nowadays found in a computer system. Input devices input is any data or instructions entered into the memory of a computer. The keyboard looks very similar to the keyboards of electric typewriters, with some additional keys. 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. Those devices just display the results in hard copy or soft copy.
D student brown university, department of computer science providence, rhode island lead consultant and founder. Jan 05, 2017 input devices are used to give data and instructions to the computer. 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. Input and output devices input and output devices joseph j. 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. List of input devices, output devices and both input. Input devices bring information into the computer and output device send. The input devices include the mouse, keyboard,microphone e. Input output device based mcq mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. For example, if a computer had no input devices, it could run by itself but there would be no way to change its settings, fix errors, or other various user interactions. There are two kinds of viewing screen used for monitors. Input devices input devices any peripheral piece of computer hardware equipment used to provide data and control signals to a computer.
Output devices allow us to receive information from the computer. Input devices output devices keyboard mouse joystick scanner light pen touch screen monitor lcd printer plotter. Since the whole device is not moved, a track ball requires less space than a mouse. Inputoutput devices and interaction techniques ken hinckley. These examples of output devices also include inputoutput devices. These examples of output devices also include input output devices. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. The devices which are used to input the data and the programs in the computer are known as input devices.
Input and output devices bangladesh open university. Inputoutput devices dont only produce output, but can also be used as storage and input devices. Input and output devices are required for users to communicate with the computer. Waec computer studies practical past questions and answer. 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. Output devices any peripheral that receives or displays output from a computer. Mcq input and output device of computer with answers pdf. A number of inputoutput devices are used with many types of microcomputers. Before an output can be produced by a computer it must have an output device connected to it. So dear reader i have provided top expected gk questions from input and output device of computer. However, there are dozens of other devices that can also be used.
An input device is any hardware device that sends data to a computer, allowing you to interact with and control it. Output devices are used to display the result or information on the computer. Nov 16, 2019 what are the output devices of my computer. Microphone gives sound or voice input to the computer. In the computer terminology, a device can be referred as a unit of hardware, which is capable of providing input to the computer or receiving output or both. Input and output devices of a computer system are the devices that connect you to computer. 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. Output is a processed data that is otherwise called information. Data that has been processed into a useful form, called information p. Brown university compter graphics lab input and output devices for 3d interaction joseph j laviola jr ph. A track ball comes in various shapes like a ball, a button and a square.
Inputoutput io systems are used to connect a computer with external devices called peripherals. The outcome of a processed data in a computer is known as a. What is the difference between an input and output device. Input is usually given by clicking the mouse or typing on the keyboard. Computer inputoutput ports and interfaces 1 terms and abbreviations. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. The input devices are used to provide data to the central processing unit cpu for processing. Dec 14, 2010 list of input devices, output devices and both input output devices related to computer. Monitors and printers are two of the most commonly used output devices used with a computer.
Output devices monitor the device which displays computer output. Devices that display, print, or transmit the results of processing from the computers memory. Computer hardware equipment used to communicate the results of data processing carried out by a computer to the outside world. 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. For example, the image shows an inkjet printer, an output device that can make a hard copy of anything shown on the monitor. Every computer has a monitor, an audio adapter, and a gpu either onboard or discrete. Examples of io devices are cd drives, dvd drives, usb drives, hard disk drives hdds, and floppy disk drives.
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