Virtually all external devices have buffers, control signals, status signals, and. Keyboards pointing devices game controllers scanners styluses microphones digital cameras web cams 2. The monitor displays the video and graphics information generated by the computer. For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices. Input devices pointing devices light pen a light pen is a computer input device in the form of a lightsensitive wand used in conjunction with a computer s crt display. Mcq input and output device of computer with answers pdf.
It forms images from tiny dots, called pixels that are arranged in a rectangular form. Pdf input output storages devices in computers researchgate. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music. A number of inputoutput devices are used with many types of microcomputers. A touchpad or trackpad is a kind of input device that has a limited area wherein you can point, scroll, click and swipe.
Inputoutput io systems are used to connect a computer with external devices called peripherals. Device that transmits and receives documents over telephone lines p. Cpu controls all the connected input and output 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. Computer devices computer input and output devices 992019 designed by.
Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Input and output devices input and output devices input devices input devices are used to get data into. Devices input devices keyboard mouse scanner joystick microphone digital. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. Includes teachers powerpoint, activity, worksheet, and plenary. Inputoutput devices and interaction techniques 2004. Input and output devices are required for users to communicate with the 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. An input devices converts the data and instructions into binary form that computer can understand. Computer input and output charles darwin university.
An input device, such as keyboard or mouse, gathers input and transforms it into series of electronic signals for the computer. Input and output devices of computer computer notes. This is to help you have a basic idea about input and output devices. Input devices o level computer science 2210 prepared by. Today we are going to discuss these devices in detail. The input output devices of a computer include things like its ppt. The input devices translate the information into the form understandable by computer. Unit 2 input and output devices pdf free download pdf. For example, as you can see in the top half of the image, a keyboard sends. This type of keyboard is available with most mainframe computer terminals or the expensive microcomputer systems. Input devices input is any data or instructions entered into the memory of a computer. 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.
Many of these are less complex versions of io devices that have been available for larger computer systems. Harris, david money harris, in digital design and computer architecture, 2016. Facsimile fax it has scanner to scan the document and also. This creates an electronic version of the document that can be viewed and edited on a computer.
Speaker act output device and microphone act as input. Computer inputoutput ports and interfaces 1 terms and abbreviations. 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. Magnetic ink card readermicr micr input device is generally used in banks because of a large number of cheques to be processed every day. Mcqs on input and output devices gk objective question answer exam question answer for the competitive exam of govt jobs. A track ball comes in various shapes like a ball, a button and a square. An output device such as a monitor, printer, or speakers displays, prints, or transmits the results of processing from the computer memory.
An input device is any hardware component that allows a user to enter data and instructions into a computer. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Clay reacts to the sculptors fingers yet also provides feedback through the curvature and texture of its surface. 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. The computer will be of no use unless it is able to communicate with the outside world. So dear reader i have provided top expected gk questions from input and output device of the computer. Input devices keyboard one of the primary input devices used with a computer. When the cpu puts the address of a peripheral onto the address bus, the inputoutput interface decodes the address and identifies the unique computer peripheral with which a data transfer operation is to be executed.
Input is usually given by clicking the mouse or typing on the keyboard. Input devices as well as output devices are a neccessity in order to. Parts of a computer class iii, iv and v thinking of. Since the whole device is not moved, a track ball requires less space than a mouse. Pdf computer input and output devices ingamule siraji. Inputoutput devices are required for users to communicate with the computer. Input output interface an overview sciencedirect topics. Apart from cpucentral processing unit, the other two main components are input and output devices. However, some devices can accept input and display output, and they are referred to as io devices input output devices. Top 50 input output reasoning questions for ibps clerk mains 2018 free pdf download. They are divided into two categories 1 manual input devices devices that need human involvement to input data. Dec 29, 2016 an input devices converts the data and instructions into binary form that computer can understand. A sheet of paper can be used to both record ideas input and display them output. Ppt input and output devices powerpoint presentation free.
Ppt input and output devices powerpoint presentation. Touchpad allows to use all the features as you do with a computer mouse trackpoint. 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. Output devices an output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system such as a computer which converts the electronically generated information into humanreadable form. Input devices bring information into the computer and output device send.
Full lesson for gcse computer science input and output io devices. A computer or laptop keyboard is kind of hardware device that you can use to type data in a computer system. This transformation is performed by input interface. The audio output is the ability of the computer to output sound. 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. Dear aspirant, as you know computer is very important section to get a good score for bank exam.
When a document is scanned, it is converted into a digital format. These inputoutput devices are also known as peripherals since they surround the cpu and memory of 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. The computer screen, or the monitor, is the way that the computer communicates with you. Input output devices software eltima serial port terminal v. Following on from lesson 2, this lesson covers common input and output devices, including computer accessibility for disabled users. Inputoutput equipment covers a broad range of devices. Computer keyboard, world wide web, technology, inputoutput. Pointing devices a pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to.
Monitor led, lcd, crt etc printers all types lcd projection panels. Nov, 2018 most devices are only input devices or output devices, as they can only accept data input from a user or output data generated by a computer. 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. The inputoutput interface connects the computer to the outside world and is therefore an essential part of the computer system. Input devices input devices are those devices from which we can input data and instructions into the computers. Input output devices list with their functions pcguide4u. Top 50 input output reasoning questions for ibps clerk mains 2017. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects.
Few examples of output devices are printers, projector, plotters, monitor, speakers, head phone, etc. A touchpad most commonly found on computer laptops computer brand doesnt matter. Ingamule siraji 1 a computer is an electronic device that works. 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. 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. Devices input and output unit 4 input output devices. The devices which are used to give data and instructions to the computer are called input devices. Dear readers, ibps clerk 2018 examination is approaching very shortly, after seeing the analysis of this year ibps exams you all may conclude that more practice will be need to manage the time efficiently and to score good marks.
Input device captures information and translates it into a form that can be processed and used by other parts of your computer. List of input devices, output devices and both input output. The distinction between output devices and input devices becomes even more blurred in the real world. Jan 05, 2017 the devices which are used to give data and instructions to the computer are called input devices. Input output devices presentation image scanner computer. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. Keyboards allow a computer user to input letters, numbers, and other symbols into a computer uses an arrangement of buttons or keys. Jan 12, 2017 a desktop computer is made up of three parts as discussed in computer components.
Scanner a scanner is an input device that scans documents such as photographs and pages of text. Input input is any data or instruction that is entered into the computers memory. Microphone is an input device to input sound that is then stored in digital form. Following are few of the important output devices which are used in a computer. Inputoutput selling the computer revolution computer. List of input devices, output devices and both input. External devices are not connected directly to the system bus because they have a wide range of control logics, as well as data transfer speeds and formats. A printer is an output device that produces a printout or hard copy of the output from a computer. Device that takes image from a computer screen and projects it onto a larger screen p. Input devices it is an electromechanical device that can be used to enter data and instructions to the 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. Top 50 inputoutput reasoning questions for ibps clerk mains 2018 free pdf download. The keyboard looks very similar to the keyboards of electric typewriters, with some additional keys.
It can include everything from paper tape readers and punches, magnetic tape devices, card readers, printers, visual display units, audio and force feedback, and so on. It allows the user to point to displayed objects or draw on the screen in a similar way to a touchscreen but with greater positional accuracy. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. Now a day computer is one of the most important fields for every examination. The designation of a device as either input or output depends on perspective. While the devices whose main function is to give instructions and data to the computer are called input devices. The computer monitor is also called an output device.
Input output devices software free download input output. Devices for communication between computers, such as modems and network cards, typically perform both input and output operations. Headsets headset consists of speakers and microphone. Input and output devices introduction the unit 4 presents the information of input and output devices. In a personal computer, the devices typically include keyboards, monitors, printers, and wireless networks.
Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. Computer input and output dairne jesperson charles darwin university introduction this presentation aims to. Some commonly used inputoutput devices are listed in table below. A number of input output devices are used with many types of microcomputers. Top 50 input output questions for ibps clerk mains 2018. Any device has to be connected to the cpu to receive or send information. Output devices allow us to receive information from the computer. The following is a list of the most common input devices which are nowadays found in a computer system. Fahad khan an input device is a piece of hardware that is used to enter data into a computer. What is the difference between an input and output device. Input devices pointing devices keyboard optical input devices audio input device video inpu device. 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. The devices that are used to display the information of the results are known as output devices.
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