So dear reader i have provided top expected gk questions from input and output device of computer. A mechanical mouse has a rubber ball on its underside to detect movement of the mouse. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. Input and output devices are the basic components of a computer system. The following section will help summarize each of the input devices. Figure 3 figure 4 printer with paper output paper tape readerpunch auxiliary storage devices the function of an auxiliary storage device is to hold information for future use by the processor. A joystick with power feedback technology is one example of examples the device interface. Direct input devices do not require much human interaction to get their data into a computer system. An illustrated tour introduction the purpose of chapter is to provide a quick introduction to a range of input devices. Input is any data or instructions entered into the memory of a computer. Ingamule siraji 3 keyboard keyboard is the most common and very popular input device which helps to input data to the computer. A typical mfp may act as a combination of some or all of the following devices.
In most cases, we speak of input devices for devices that have a connection to the central unit of a computer, that is, the cpu. An input device is any hardware component that allows a user. Complete input and output devices of computer, with examples. Without input device we cant expect the result from the computer. A computer has several input device namely, keyboard, mouse, trackball, joystick, scanner, light pen, bar code reader, ocr, omr, micr etc. A track ball comes in various shapes like a ball, a button and a square. Following are few of the important input devices which are used in a computer. It gives input to the computer through clicks, dragging and dropping.
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. The monitor displays the video and graphics information generated by the computer through the video card. The keyboard is one of the primary input devices, which helps in entering data and. Only now develop your medical device according to this design input. For example a barcode scanner will input data into the computer almost instantly. For example the mouse, keyboard, the mousemouse is the most. 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 system. Input devices are the electronic parts of the computer system, used to input the users data or information into computers for the output results it can be defined as an electromechanical device that allows a user to input the data into a computer, by usually typing on a keyboard, or by clicking a mouse, by which we can input data into the. An input device used to enter characters at the location marked by the insertion point or. A mouse is a type of input hardware device that is commonly used in. Keyboard is merely a collection of momentary switches.
Other inputs and output devices are cd and dvd drive, multifunctional printer, modem, digital camera, etc. An input device is any hardware component that allows a user to enter data and instructions into a computer. An input device is a peripheral which accepts data and sends it to the cpu. Data is input into the computer directly by a machine or device. 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. Hence, the above are examples of input devices, output devices, and both input and output devices io devices. The keyboardlooks very similar to the keyboards of electric typewriters, with some additional keys. Ther are various types of input and output devices. What is input devices and output devices explain with examples. Input devices input, output and other devices siyavula. There are many devices you may be surprised to read example of output device in computer. Let us first discuss the exact definition of an input and output device.
Ask students to describe what each of these devices do. Input devices imaging and video input devices optical scanner an optical scanner is a hardware input device that allows a user to take an image or text and convert it into a digital file, allowing the computer to read or display the scanned object. For example the mouse, keyboard, the mousemouse is the most popular. The distinction between output devices and input devices. Input output and interfacing usually a peripheral device will require several port addresses, some for the transfer of proper data, and others for the transfer of status information about the device. 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. If it is not available select the powerpoint version activity sheet. Other examples of peripherals are expansion cards, graphics cards, image scanners, tape drives, microphones, loudspeakers, webcams, and digital cameras. Function keys provide shortcuts to frequently used commands. Here youll find the complete examples of input and output devices.
Students will learn about input computer devices and their functions. The device senses when a pair of contacts are open or closed. Examples are output produced by printers or plotters on paper. Tell students that today they will be learning about the input devices of a computer. It is possible to transfer data between input and output devices and the cpu of. Heres a list of some input devices used in computers and other computing devices. The input devices are those that fulfill the function of entering or providing data and control signals to the central processing unit of a system. Input and output devices of a computer system are the devices that connect you to computer. To try to overcome this, different styles of keyboard have been developed, for example. Pdf input output storages devices in computers researchgate. Common examples of touch screen include information kiosks, and bank atms. An input device is anything that is used to get data into the computer. A limit switch is an example of a discrete input device because, at any given time, it is either open or closed. A color monitor can display from 16 to over 1 million different colors.
Since the whole device is not moved, a track ball requires less space than a mouse. Ports exposed in the system unit cases are to connect monitors to com. Input devices are the piece of hardware which is used to give the signals to the computer. Output devices take the processed input from a computer and display it in a way that is easy for humans to understand. Input and output devices of computer computer notes. Input devices accept data and instructions from the user. The plant takes in the water and gives out flowers. Understand the devices that can be used for audio input. An input device enters data or instructions into a computer. A cordless mouse either mechanical or optical transmits data. Pdf assinment find, read and cite all the research you need on. Mar 01, 2014 a number of input devices have been developed.
Csca0101 computing basics 5 output devices monitor the device which displays computer output. A pilot light is an example of a discrete output device see fig. Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones. Devices input and output unit 4 input output devices. It allows input of raw data to the computer for processing. Self access learning module ict llliteracy for i seccondary. Input devices input devices are any electronic devices connected to a computer that produce input signals. Input and output devices can also be written as io devices. For example, you can use a keyboard to type text which will. For example, what good would a mouse be without the.
Mcq input and output device of computer with answers pdf. An input device is any tool device for entering information into a computer. Thus it functions as both an input device and an output device at the same time. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. An input device is any peripheral used to provide data and control signals to a computer. The following is a list of the most common input devices which are nowadays found in a computer system. An input device is a piece of hardware that is used to enter data into a. An input device is a piece of hardware used to provide data to a computer used for interaction and control. Input output devices are required for users to communicate with the computer. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device. For example, if the design input specifies a probability that a group of electronic components or selfwritten software cannot guarantee, you will have to choose a different system architecture, e. Now a day computer is one of the most important field for every examinations. An example is the input output paper tape device shown in figure 4.
Inputoutput devices and interaction techniques ken hinckley. Pdf computer input and output devices ingamule siraji. Barcode scanner, magnetic stripe reader, omr reader, ocr reader, biometric scanner, sensor. They will also learn about their functions or what they do. Input devices represent one type of computer peripheral the other two types are output devices and storage devices. Output devices are used to give the final result to the user which is given by the computer processor. The keyboard is a basic input device that is used to enter data into a computer or any. A mouse is a type of input hardware device that is commonly used in desktop computers. The image below shows where input dev ices fit into a computer system. A microphone is an example of input device for audio input a webcam is an example of an input.
The layout of the keyboard is like that of traditional typewriter, although there are some additional keys provided for performing additional functions. Mouse and keyboard gamepad and joystick digital camera and digital video camera biometric authentication device touch screen digitizer scanner mice and keyboards the mouse and keyboard are the two most commonly used. Io devices are used to interact with the computer system. Examples of input and output devices examples of input devices loading. This could be done with three separate input instructions or in a loop, but either way, each individual piece of data required the execution of a separate input instruction. A piece of equipmenthardware which gives out the result of the entered input, once it is processed i. Input devices are used to give the input to the computer systems. Most common are keyboard and mouse example of input. 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. An optical mouse uses devices that emit and sense light to detect the mouses movement. What is input devices and output devices explain with. Examples of output device monitor printer speakers projector. Peripheral devices that perform input output functions between the operator and the computer are discussed in lesson 3, and lesson 4.
A scanner is an example of input device for graphical as well as text input. A discrete digital signal is one that can report only two states, such as onoff or openclosed. Input devices input is any data or instructions entered into the memory of a computer. The size of a monitor is measured in inches diagonally across the screen.
Keyboard is used in the input phase of a computerbased information system. The device used to accept the data and instructions from the user is called input device. However, nearly all examples of humancomputer interaction require. Output devices examples have been collected from various sources. In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system such as a computer or information appliance. This signal can have one of only two values, 0 or 1, indicating that the device is either off or on, respectively see figure 21. Input devices are part of the four main hardware components of a computer system. Discrete devices discrete devices are input or output devices that provide or receive discrete digital signals. However, nearly all examples of humancomputer interaction require both input and output to do anything useful. Data data presented to an input device has to be in the right form for the device, e. A keyboard is the most fundamental input device for. Keyboard and mouse accepts input from a user and sends that data input to the computer. Input device translate data from form that humans understand to one that the computer can work with. The art of defining design inputs and design outputs.
It will give the reader a sense of how diverse the range of devices is, both across and within device categories. Input devices are capable of converting data into a form which can be recognized by computer. Discrete circuits, amplifiers, filters, ad, da, power transistor etc. An input device is a piece of computer hardware equipment used to provide data.
For example the mouse, keyboard, 992019 designed by. With the help of input devices we interact with the computer and give the instructions to it. This book then proceeds with a discussion of the general requirements for input devices. Status information is used inter alia to implement another level of handshaking see later. Input devices if the smartboard notebook software is available select the smartboard lesson. Examples of input devices include keyboards, mice, scanners, digital cameras and joysticks. An input device sends information to a computer system for processing, and an output device reproduces or displays the results of that processing. List several different pointing devices and describe their functions. Input devices let you to transfer data and user command into the computer system. Voltage applied by the device representat a binary 1 or 0. A piece of equipmenthardware which helps us enter data into a computer is called an input device. Can you give an example of input and output for a computer.
Keyboard one of the primary input devices used to input data and commands. Amazing 20 examples output devices and their functions. Examples of input and output devices computersciencementor. One of the primary input devices used with a computer. It has undergone little or no change since that time, and most companies have phased out and replaced it with the more. A keyboard is an example of input device for text input. Input device is any peripheral piece of computer hardware equipment to provide data and control signals to an information processing system such as a computer or other information appliance. Comprised of seven chapters, this volume starts with an overview of the popular examples of input devices that are used in computer graphics systems, including typewriter keyboard, the mouse and voice input, data input panels, digitzers, and touch input panels.
Examples of input devices include keyboards, mouse, scanners. 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 these are devices which allow the user to enter data into the computer. Keyboard is the most common and very popular input device which helps to input data to. A mouse is the most widely used pointing device with a gui environment on personal computers. Lesson 2 concentrates on the devices commonly used to perform input and out put functions between the computer mainframe and other machines. Other input devices are video and audio input devices such as webcams and microphones, and biometric input devices such as fingerprint scanners.
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. Common examples of touch screen include information kiosks, and bank. Input devices are used to enter data from the outside world into primary storage. Generally input devices are manual or direct data entry devices.
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