What are different types of input devices with examples. A computer system also needs input devices, such as a keyboard and a mouse or a touchpad also known as a trackpad so that the user can interact with the computer via the interface. The following is a list of the most common input devices which are nowadays found in a computer. Input data may not be accurate ifresults of a surveyresearch. List of input devices, output devices and both input. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music. Input and output devices input and output devices joseph j. Input and output devices can also be written as io devices. 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. 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.
Computer input devices following are some of the important input devices which. It allows the user to point to displayed objects, or draw on the. 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. It can execute a prerecorded list of instructions a program. A computer has two types of devices which help the user to enter data into the. It responds to a specific set of instructions in a welldefined manner. Since the whole device is not moved, a track ball requires less space than a mouse. So dear reader i have provided top expected gk questions from input and output device of computer. They are still widely used in applications such as computerized cash register systems. Computer inputoutput ports and interfaces 1 terms and abbreviations.
Input devices pointing devices keyboard optical input devices audio input device video inpu device 7. I for input devices, o for output devices, s for storage devices. Input devices accept data and instructions from the user. 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. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse.
Io devices are used to interact with the computer system. Various types of input devices can be used with the computer depending upon the type of data you want to enter in the computer. The input devices translate the information into the form understandable by computer. An input device is a piece of computer hardware equipment used to provide. Chapter 4 input and output oakton community college. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Following are few of the important output devices which are used in a computer. Following are the examples of various input devices, which are connected to the computer for this purpose. 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. Sort which are the input and output devices of the computer and write their names 6.
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 accuracy. Apart from cpucentral processing unit, the other two main components are input and output devices. The system unit focuses on processing, whereas a variety of peripheral devices facilitate input, output, storage, and communication. The keyboard looks very similar to the keyboards of electric typewriters, with some additional keys. Input device defined as the inputting tools of the computer. Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. It also focuses on the different types of input and output devices used with computers.
It is a type of computer used for engineering applications cadcam, desktop publishing, software development, and other types of applications that require a moderate amount of computing power and. Aug 27, 2018 input devices how to tell it what to do. Here i am going to share you about list of basic input devices, output devices and both input output devices. The following is a list of the most common input devices which are nowadays found in a computer system. Nov 22, 2016 types of devices input devices output devices 5. 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. It plugs into almost any usb port in your computer and the data is erasable.
Dec 29, 2016 an input devices converts the data and instructions into binary form that computer can understand. Whatever we type using the keyboard, appears on the monitor. Input and output devices input devices allow us to send information to the computer. The speed of printers can be measured in characters per second. 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. Oct 02, 2012 omr devices are used to read questionnaires, multiple choice examination papers and many other types of forms where responses are registered in the form of lines or shaded areas. Computer peripheral ppt and pdf report free download. What is input device types of input devices computer. 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.
Parts of a computer class iii, iv and v thinking of. Many of these are less complex versions of io devices that have been available for larger computer systems. There are many different types of input devices for computer which are considered to be quite important. From which we input the raw data in the computer system for further processing.
There are many different types of input devices for computer. Input devices input devices are those devices from which we can input data and instructions into the computers. Understand how to input data into a handheld computer. Jan 12, 2017 a desktop computer is made up of three parts as discussed in computer components. A light pen is a computer input device in the form of a lightsensitive wand used in conjunction with a computer s crt tv set or monitor. Computer hardware 1 listed below are 20 input, output and storage devices that might be found in a computer system. These devices communicate with cpu to receive the inputs from a user and output the results in some form or the other. Keyboards allow a computer user to input letters, numbers, and other symbols into a computer uses an arrangement of buttons or keys. Central processing unit, input devices, output devices, main memory, arithmetic and logic unit alu, control unit cu, secondary or auxilliary.
An input device is one of the hardware devices that help to send various data to the computer and without it, there would be no mode to interact with the computers. So that we can say in simple term, a computer input device is a hardware component that is used to enter data and instruction into the computer to perform specific task. Computer hardware is organized according to these basic functions. It is through these devices that the computer can learn what you want the computer to do. Input devices keyboard one of the primary input devices used with a computer. Output devices monitor monochrome monitor a monochrome monitor is a type of crt computer display which was very common in the early days of computing, from the 1960s through the 1980s, before color monitors became popular. To work with these data, we require different types of devices. In this way we get results by the pc output devices. This data is given to the computer by using particular devices named computer input devices.
Some common computer input devices reading activity english4it. A newer storage device is a usb flash drive which is about the size of your car key. Input and output devices people at vt computer science. An activity booklet introducing students to computer storage and the different types of digital devices input and output. A computer is a general purpose device which can be programmed to carry out a finite set of arithmetic or logical operations. A number of input output devices are used with many types of microcomputers. Job interview questions on basic computer technology and internet part2. Most computer hardware is divided into several types of device. Many of these are less complex versions of io devices that have been available for larger computer. A track ball comes in various shapes like a ball, a button and a square. Usually a keyboard and mouse, the input device is the conduit through which data and.
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. 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. It is the future of computer memory storage devices. Microphone is an input device to input sound that is then stored in digital form.
A program to tell the system software how to slog with that piece of hardware. This transformation is performed by input interface. The storage capacity ranges from 128 mb to 16gb and rising. What are the output devices of computer system and types. An input device is any hardware component that allows a user to enter data and instructions into a computer. It can quickly store and retrieve large amounts of data. Keyboards allow a computer user to input letters, numbers, and other symbols into a computer. Following are few of the important input devices which are used in a computer.
The computer will be of no use unless it is able to communicate with the outside world. Input and output the computer mouse and the keyboard are both hardware devices that allow you to communicate with the computer. 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. Now a day computer is one of the most important field for every examinations. Pdf computer input and output devices ingamule siraji. Joysticks are often used to control video games, and usually have one or more pushbuttons whose state can also be read by the computer. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. Input devices are part of the four main hardware components of a computer system. Computer input once consisted of such actions as setting switches and knobs and plug ging and unplugging. Since a sequence of operations can be readily changed, the computer. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Without any input devices, a computer would only be a display device and not allow users to interact with it.
Posts about type of output devices written by scholar. For example, you can type in data by using a keyboard, or you can input data in picture form by using a scanner in computer. The image below shows where input dev ices fit into a computer. Definition a computer is a machine that can be programmed to manipulate symbols. Types of computers and their parts page 1 of 6 source. Oct 18, 2017 computer education provides tutorial on what is an example of an input device and types of input devices which also covers input devices list 10 examples of input devices list of input devices and. Light pen track ball graphic tablet magnetic ink card readermicr.
Can you give an example of input and output for a computer. Inputoutput devices are required for users to communicate with the computer. A free powerpoint ppt presentation displayed as a flash slide show on id. The image below shows where input dev ices fit into a computer system. The data entered through input device can be some text, some graphical image or symbol, sound etc, depending on the form of the raw data the various input devices are available.
Students complete a range of activities on computer storage and the different types. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. While the term computer can apply to almost any device that has a microprocessor in it, most people think of a computer as a device that receives input from the user through a mouse or keyboard, processes it in some fashion and displays the result on a screen. Input and output devices introduction the unit 4 presents the information of input and output devices. D student brown university, department of computer science providence, rhode island lead consultant and founder. 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. Types of computer systems computers are often identified by their size and power. Brown university compter graphics lab input and output devices for 3d interaction joseph j laviola jr ph. Output devices monitor monochrome monitor a monochrome monitor is a type of crt computer display which was very common in the early days of computing, from the 1960s through the 1980s. Input devices it is an electromechanical device that can be used to enter data and instructions to the computer. While we now take a computer mouse for granted, fifteen years ago there was still a debate about what would be the ultimate pointing device.
A printer is an output device that produces a printout or hard copy of the output from a computer. Mcq input and output device of computer with answers pdf. Input devices input is any data or instructions entered into the memory of a computer. The most common input devices hardware designed for capturing data in electronic form audio input types of display devices and how they work types of printers and how they work audio output devices. Download as docx, pdf, txt or read online from scribd. Indicate what type of device it is by writing one of the following letters beside it. These devices can help us enter data into the computer. Magnetic ink card readermicr micr input device is generally used in banks because of a large number of cheques to be processed every day. Keyboardthe most common and very popular input device which helps in inputting data to the computer.
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