Input and output devices of computer linkedin slideshare. For example, as you can see in the top half of the image, a keyboard sends. Input and output devices introduction the unit 4 presents the information of input and output 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. Device that transmits and receives documents over telephone lines p. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music. Microphone is an input device to input sound that is then stored in digital form. Top 50 input output questions for ibps clerk mains 2018. This creates an electronic version of the document that can be viewed and edited on a computer. Introduction to computers, anatomy of computers, input and. 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. Cpu controls all the connected input and output devices.
Inputoutput devices and interaction techniques 2004. Aug 30, 20 types of input devices keyboard mouse scanner 5. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Introduction to computers, anatomy of computers, input and output devices. Input devices pointing devices keyboard optical input devices audio input device video inpu device. Devices input and output unit 4 input output devices. Jan 05, 2017 the devices which are used to give data and instructions to the computer are called input 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. Input input is any data or instruction that is entered into the computers memory. Computer keyboard, world wide web, technology, inputoutput. It forms images from tiny dots, called pixels that are arranged in a rectangular form. 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. However, some devices can accept input and display output, and they are referred to as io devices input 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. Some commonly used inputoutput devices are listed in table below. Scanner a scanner is an input device that scans documents such as photographs and pages of text. Any device has to be connected to the cpu to receive or send information. Are the beginning and end of all processes, instructions executed in the machine. How it shows you what it is doing output devices translate the computer s output into the form understandable by users. The inputoutput interface connects the computer to the outside world and is therefore an essential part of the computer system. In a personal computer, the devices typically include keyboards, monitors, printers, and wireless networks. The keyboard looks very similar to the keyboards of electric typewriters, with some additional keys. 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. Following are few of the important output devices which are used in a computer. Ppt input and output devices powerpoint presentation free.
Top 50 input output reasoning questions for ibps clerk mains 2017. Monitors, commonly called as visual display unit vdu are the main output device of a computer. Devices for communication between computers, such as modems and network cards, typically perform both input and output operations. Input output devices software free download input output.
The following is a list of the most common input devices which are nowadays found in a computer system. Device that takes image from a computer screen and projects it onto a larger screen p. The inputs might thus be from switches, as illustrated in figure 1. Many of these are less complex versions of io devices that have been available for larger computer systems. 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. Act as a intermediary between the user and the machine in the process of communication. Input and output devices department of computer science. A computer or laptop keyboard is kind of hardware device that you can use to type data in a computer system. Touchpad allows to use all the features as you do with a computer mouse trackpoint.
Inputoutput devices are required for users to communicate with the computer. Pdf computer input and output devices ingamule siraji. They are divided into two categories 1 manual input devices devices that need human involvement to input data. Magnetic ink card readermicr micr input device is generally used in banks because of a large number of cheques to be processed every day. 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. Input and output devices are required for users to communicate with the computer. Inputs are the signals or data received by the system and outputs are the signals or data sent from it. Now a day computer is one of the most important fields for every examination. For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices. This type of keyboard is available with most mainframe computer terminals or.
The devices that are used to display the information of the results are known as output devices. Input output devices list with their functions pcguide4u. The inputoutput devices of a computer include things like its ppt. The inputoutput devices of a computer include things like its keyboard, mouse, video display, and network card, as well as other more optional. Apart from cpucentral processing unit, the other two main components are input and output devices. The computer will be of no use unless it is able to communicate with the outside world. Dear aspirant, as you know computer is very important section to get a good score for bank exam. Jan 12, 2017 a desktop computer is made up of three parts as discussed in computer components. The input and output sections are where the processor receives information from external devices and communicates information to external devices.
Computer input and output charles darwin university. Top 50 inputoutput reasoning questions for ibps clerk mains 2018 free pdf download. What is the difference between an input and output device. The designation of a device as either input or output depends on perspective. 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. In computing, inputoutput or io or, informally, io or io is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system.
However, nearly all examples of humancomputer interaction require both input and output to do anything useful. Input device software free download input device top 4. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. Computer inputoutput ports and interfaces 1 terms and abbreviations. This is to help you have a basic idea about input and output devices.
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. Input devices o level computer science 2210 prepared by. Input and output devices of computer computer notes. When a document is scanned, it is converted into a digital format. So dear reader i have provided top expected gk questions from input and output device of the computer. Full lesson for gcse computer science input and output io devices. Fahad khan an input device is a piece of hardware that is used to enter data into a computer. Unit 2 input and output devices pdf free download pdf. Virtually all external devices have buffers, control signals, status signals, and data bits. Port terminal lets you connect to serial port device or to remote computer using nullmodem cable or lan, send and receive various types of data ascii string, binary, octal and hexadecimal, redirect inputoutput data streams into a specified file. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. Ingamule siraji 1 a computer is an electronic device that works. Input and output devices bangladesh open university. The input output devices of a computer include things like its keyboard, mouse, video display, and network card, as well as other more optional.
Input devices keyboard one of the primary input devices used with a computer. Six widely used input devices are the keyboard, mouse, microphone, scanner, digital camera and pc video camera. This is ideal for word processing and other volume data and program entry activities. Harris, david money harris, in digital design and computer architecture, 2016. Nov 22, 2016 conclusion input and output devices are indispensible components of a personal computer. A touchpad or trackpad is a kind of input device that has a limited area wherein you can point, scroll, click and swipe. Now weve really got to figure out whats important for your output. Computer devices computer input and output devices 992019 designed by. It only processes the information given by the input devices and sends the result to the output devices. Input output devices software eltima serial port terminal v.
Includes teachers powerpoint, activity, worksheet, and plenary. Following on from lesson 2, this lesson covers common input and output devices, including computer accessibility for disabled users. Input devices an input device is any hardware component that allows you to enter data and instructions onto a computer. Output devices an output device is any hardware component that conveys information to one or more people. Input and output devices march, functions of input and output devices the main function of an 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. While the devices whose main function is to give instructions and data to the computer are called input devices. An input device is any hardware component that allows a user to enter data and instructions into a computer. Keyboards allow a computer user to input letters, numbers, and other symbols into a computer uses an arrangement of buttons or keys. Pdf input output storages devices in computers researchgate. Pointing devices a pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to. Input output interface an overview sciencedirect topics. Ppt input and output devices powerpoint presentation. Inputoutput io systems are used to connect a computer with external devices called peripherals.
Mcqs on input and output devices gk objective question answer exam question answer for the competitive exam of govt jobs. Weve picked out your system unit and input devices. A number of inputoutput devices are used with many types of microcomputers. Input and output devices input and output devices input devices input devices are used to get data into. Input output device software free download input output device. 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. The audio output is the ability of the computer to output sound.
Input device software free download input device top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. Mcq input and output device of computer with answers pdf. A desktop computer is made up of three parts as discussed in computer components. The computing literature often draws a sharp distinction between input and output. Input devices input is any data or instructions entered into the memory of a computer. Input devices it is an electromechanical device that can be used to enter data and instructions to the computer. The input output devices of a computer include things like its ppt. Input devices as well as output devices are a neccessity in order to. The devices which are used to give data and instructions to the computer are called input devices.
These devices communicate with cpu to receive the inputs from a user and output the results in some form or the other. The input devices translate the information into the form. Computer input and output dairne jesperson charles darwin university introduction this presentation aims to. A touchpad most commonly found on computer laptops computer brand doesnt matter. Input output device software free download input output. Few examples of output devices are printers, projector, plotters, monitor, speakers, head phone, etc. Today we are going to discuss these devices in detail. We need to head to the computer store one more time.
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