Examples of input devices include keyboards, mouse, scanners, digital cameras, joysticks, and microphones input devices can be categorized based on. 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. Keyboards allow a computer user to input letters, numbers, and other symbols into a computer uses an arrangement of buttons or keys. So dear reader i have provided top expected gk questions from input and output device of computer.
They are divided into two categories 1 manual input devices devices that need human involvement to input data. The devices are usually used for display, projection, or for physical reproduction. Includes teachers powerpoint, activity, worksheet, and plenary. However, nearly all examples of humancomputer interaction require.
Input devices learn all about o level computer science. Input devices represent one type of computer peripheral the other two types are output devices and storage devices. With a tv remote, the input button is a button that switches the input device shown on a tv. Input devices o level computer science 2210 learn all. Microphone is an input device to input sound that is then stored in digital form. Jan 05, 2017 the devices which are used to give data and instructions to the computer are called input devices. Input devices are part of the four main hardware components of a computer system. Facsimile fax it has scanner to scan the document and also. Jul 22, 2018 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 and output devices school of information technology. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Input devices accept data and instructions from the user. Output device can produce the final product of machine processing into a form usable by humans. Monitors and printers are two of the most commonlyknown output.
Examples of input devices include keyboards, mice, scanners, digital cameras and joysticks. Inputoutput devices are required for users to communicate with the computer. Speaker act output device and microphone act as input. When referring to html, the tag is used to create both input fields and interactive controls for webbased forms 3. A complete list of input, output and both inputoutput devices related to computer. Input data may not be accurate ifresults of a surveyresearch. 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. Examples of input devices a keyboard is the most fundamental input device for. Pdf input output storages devices in computers researchgate. 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 data to the. Computer inputoutput ports and interfaces 1 terms and abbreviations. Output devices impact printer daisywheel similar to a ballhead typewriter, this type of printer has a plastic or metal wheel on which the shape of each character stands out in relief.
Input devices or input units help feeding the data into a computer. The keyboard looks very similar to the keyboards of electric typewriters, with some additional keys. Keyboard, mouse, track ball, track pad, joy stick, touch screen, light pen, scanner, digital. Each function key has a unique meaning and is used for some specific purpose. For example, a keyboard is commonly used to transfer data or information from human readable form to machine readable form.
The objective of output devices is to turn computer information into a human friendlyreadable form. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music. You can hang them on walls or wear them on your wrists. Sep 02, 2016 this is 2016 computer and other system input devices. An input device is a piece of hardware used to provide data to a computer used for interaction and control. The distinction between output devices and input devices.
Devices input and output unit 4 input output devices. Dec, 2016 data processing techniques types of computer memory input output devices data processing, storage, and io devices data processing techniques data storage bit, byte, ram, rom, cache memory, and. Input devices input is any data or instructions entered into the memory of a computer. Because in computer technology most of viva question are related with input and output devices. An input device is any hardware device that sends data to a computer, allowing you to interact with and control it.
Any device has to be connected to the cpu to receive or send information. The joystick can be moved in all four directions 992019 designed. Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. Developers are concerned about the performance features of not only the processor, but also all input, storage, and output devices. Monitor led, lcd, crt etc printers all types lcd projection panels. Now a day computer is one of the most important field for every examinations. Cpu controls all the connected input and output devices. Output devices are pieces of computer hardware used to communicate the results of data processing performed by a 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. Keyboard one of the primary input devices used to input data and commands.
Magnetic ink card readermicr micr input device is generally used in banks because of a large number of cheques to be processed every day. 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. Based on the instructions given, the computer will start processing it. An input device is any tool device for entering information into a computer. There are many examples of output devices, each with their own benefits and drawbacks. An input device is a piece of computer hardware equipment used to provide data and. In computing, an input device is a peripheral piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or other information appliance. The devices which are used to give data and instructions to the computer are called input devices. After completing this chapter you should understand. 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. For example, as you move a computer mouse, the data sent to the computer is the xy axis movements used to display the mouse cursor on the screen. Full lesson for gcse computer science input and output io devices. Following are few of the important output devices which are used in a computer.
Output devices provide data in myriad different forms, some of which include audio, visual, and hard copy media. The flatpanel display refers to a class of video devices that have reduced volume, weight and power requirement in comparison to the crt. An input device is any hardware component that allows a user to enter data and instructions into a computer. I think if you read this article it can help you to success in your viva. In simple terms, input devices bring information into the computer and output devices bring information. List of input devices, output devices and both input. It allows input of raw data to the computer for processing. The layout of the keyboard is like that of traditional typewriter, although there are some additional keys. Input devices input devices are those devices from which we can input data and instructions into the computers.
List of all input, output devices and both inputoutput. Everyone should know all output and input devices name of computer. Additionally, all input devices send data from the device over a cable or wireless transmission to the computer. Pdf computer input and output devices ingamule siraji. Headsets headset consists of speakers and microphone. The image below shows where input dev ices fit into a computer system. Mcq input and output device of computer with answers pdf. Any data or instruction entered into the computer is known as input.
The most common input device of a computer is a keyboard which is used to give instructions to the cpu. An input device is any peripheral used to provide data and control signals to a computer. The keyboard is the most common and widely used input device. Input output devices questions and answers computer. Generally input devices are manual or direct data entry devices. Following on from lesson 2, this lesson covers common input and output devices, including computer accessibility for disabled users. Computer output devices receive information from the computer, and carry data that has been processed by the computer to the user. Current uses of flatpanel displays include calculators, video games, monitors, laptop computer, graphics display. Data processing techniques types of computer memory. Although not available on all computer keyboards, especially laptops. Now a day computer is one of the most important fields for every examination. Heres a list of some input devices used in computers and other computing devices. Following are few of the important input devices which are used in a computer.
In computing, 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 information appliance. 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. Nov, 2018 what an input device sends inputs to a computer depends on the device. Pdf assinment find, read and cite all the research you need on. However, there are dozens of other devices that can also be used. Data processing techniques types of computer memory input output devices data processing, storage, and io devices data processing techniques data storage bit, byte, ram, rom, cache memory, and. Computer devices includes, input, output, processing and storage. Computer input, processing, output and storage devices.
Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Various types of input devices can be used with the computer depending upon the type of data you want to enter in the computer, e. The devices which we use to give the command to a computer to perform certain functions are called input devices of a computer. Input devices o level computer science 2210 prepared by. The input device converts the data into the computers own internal code. The devices which are used to input the data and the programs in the computer are known as input devices. Data processing techniques types of computer memory input. So dear reader i have provided top expected gk questions from input and output device of the computer. Mcqs on input and output devices gk objective question answer exam question answer for the competitive exam of govt jobs. Following are few of the important input devices which are used in computer systems. A light pen is a computer input device in the form of a lightsensitive wand used in conjunction with a computers crt tv set or monitor. A variety of input devices are used with the computer depending on the type and purpose of input information. What are different types of input devices with examples. A hammer presses the wheel against a ribbon, which in turn makes an.
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. Fahad khan an input device is a piece of hardware that is used to enter data into a computer. 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. Input device is a hardware part of the computer that is used to enter data and instructions into computer memory. To enter information and issue commands, you use input devices. Following are some of the important input devices which are used in a computer keyboard. Check if all the devices are connected to cpu or not. Peripheral device, also known as peripheral, computer peripheral,inputoutput device, or inputoutput device, any of various devices including sensors used to enter information and instructions into a computer for storage or processing and to deliver the processed data to a human operator or, in some cases, a machine controlled by the computer. Nov 01, 2018 a complete list of input, output and both inputoutput devices related to computer. Input devices keyboard one of the primary input devices used with a computer.
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