Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. The image below shows where input dev ices fit into a computer system. Advantages easily customizable low power consumption low cost enhanced performance. Output devices an output device is hardware that is capable of delivering or showing information to one or more users. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. Types of output devices a display device is an output device that visually conveys texts, graphics and video information. This type of keyboard is available with most mainframe computer terminals or. Devices that exist outside the computer case are called external peripherals, or auxiliary components, examples are. Topic 1b introduction to computer systems input and. The input device is used to give input to the computer.
The keyboard the mouse the scanner the optical pencil the microphone output devices these devices are used to retrieve data and information from the computer memory or storage devices. Pdf computer input and output devices ingamule siraji. Notes of caie cambridge advanced cambridge international as and a level subjects computer science 9608 topical notes paper 1 as computer science chapter 3 hardware 1 input, output, and storage devices. List several types of printers and explain their functions. What is the difference between computer input and output devices. Input output interface provides a method for transferring information between internal storage such as memory and cpu registers and external io devices. 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. What is the difference between an input and output device. Nov 20, 2012 input device control unit output device memory unit secondary storage input device the data and instructions are given to the computer as input. A piece of equipment hardware which gives out the result of the entered input, once it is processed i. Hardware of a cad system engineering and computer science.
Inputoutput devices and interaction techniques ken hinckley. List of primary hardware components input and output devices. So the keyboard is an input device and the monitor is the output device. Self access learning module ict llliteracy for i seccondary. Input devices are the electronic parts of the computer system, used to input the users data or information into computers for the output results. An inputoutput device that displays information visually. Input, processing, and output devices a pc in every home february 3, 2000 ford will make available to all 330,000 employeeshourly and salariedan hp pavilion pc, an hp deskjet printer and access to the internet from their homes. An input device is used to feed data into computer. Ingamule siraji 26 the optical character reader ocr 992019 designed by. The input, output and storage devices surround the central processing unit cpu are called the peripheral devices. Pdf assinment find, read and cite all the research you need on researchgate. Any peripheral piece of computer hardware equipment used to provide data and control.
Following the central control concept inconvenient and not powerful enough for complex 3d modeling. Many of these are less complex versions of io devices that have been available for larger computer systems. Most devices of computers are only input devices or can be output devices, as they can only accept data input from a user or output results displayed by a computer particularly. Parts that were once hand made at a cost of thousands of manhours are now mass produced for a fraction of a rupee. Ingamule siraji 1 a computer is an electronic device that works under instructions given by the user to accept, process and output information as required. 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.
Input and output devices of computer computer notes. Sep 02, 2020 modern computer technology requires an understanding of both input and output devices, and the types of manual and direct input devices that exist today. Pdf input output storages devices in computers researchgate. An input device is any hardware component that allows a user to enter data and instructions into a computer. Karande ic hodif page 1 of 16 input and output devices input devices 1 keyboard. Input and output devices of a computer system are the devices that connect. Ingamule siraji 28 monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Identify the hardware devices typically used for audio output.
The following is a list of the most common input devices which are nowadays found in a computer system. The input output 10 devices help in taking the translated version of the input to the machines memory and similarly, to render the processed symbols into the language of the user. Uniti overview of embedded systems embedded system. Input and output devices introduction the unit 4 presents the information of input and output devices. Input devices these devices are used to introduce data, instructions and programs in the cpu. Types of computer hardware with their components devices. Speakers can be used for various sounds meant to alert the user, as well as music and spoken text. This is ideal for word processing and other volume data and program entry activities. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. Introduction to computers department of computer science. Complete input and output devices of computer, with examples. 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. However, some devices can accept input and display output at the same time, and they are known as io devices input output devices.
However, nearly all examples of human computer interaction require both input and output to do anything useful. Monitors graphic plotter printer 992019 designed by. A computer is an electronic device that works under instructions given by the user to accept, process and output information as required. It must have connected peripherals to connect input and output devices. Input devices comprise of any devices that users need in order to give instructions to. Basic computer hardware based notes in pdf free download. The purpose of this lesson is to cultivate an understanding of modern computing technology through an indepth study of the interface between manual input devices, direct input devices and. Computer input and output devices list pdf fstatic. Processing the central processing unit cpu is the main chip in a computer. An output device displays, prints and presents the results of a computer s work. Hardware of computerinput devices scanner webcam keyboard mouse output devices leds lcd printer speakers storage devices primary storage devices secondary storage devices processing devices cpu 3.
For example the mouse, keyboard, the mousemouse is the most popular pointing device. An input device is used to feed data into a computer. Input devices are part of the four main hardware components of a computer system. These input output devices are also known as peripherals since they surround the cpu and memory of a computer system. Input devices are the electronic parts of the computer system, used to. Mcq input and output device of computer with answers pdf. You can use input devices to enter information and issue commands. Hardware and software components input and output computer. Most of the keyboards have between 80 and 110 keys including 1 typing keys qwerty 2 numeric keypad 3 function keys 4 control keys. Pointing devices a pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to move. Input and output devices definition pdf squarespace. Pengantar teknologi informasi input and output computer devices reference.
During the first two decades of commercial use of computers, 110 operation was performed mostly by punching holes on cards and paper tape with a special device. Keyboard computer mouse touch screen optical character recognition magnetic ink character recognition penbased input digital scanner audio input sensors storage, input, and output technology. Five widely used input devices are the keyboard, mouse, microphone, scanner, and web cam shown in figure 1. An input device is a piece of computer hardware equipment used to provide data and control signals to an information. Input devices an input device lets you communicate with a computer. Ingamule siraji 27 output devices the following are some of the important output devices used in a computer. Io devices are the pieces of hardware used by a human or other system to communicate with a computer.
Computer hardware equipment used to communicate the results of data processing carried out by a computer to the outside world. Depending on your particular program and requirements, the input device you use may vary. Computer devices computer input and output devices 992019 designed by. Instructions and data are entered, processed into results that are stored for later use, and output in a useful format. For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices. Computer parts can be divided into two groups, hardware and software. Dec 04, 2020 technologies, a trend toward a new class of input output device and human computer interaction style is emerging. A computer has two types of devices which help the user to enter data into the computer and allows the computer to display result of the processed data as required by the user. When you play the game, its various parts are copied into and out of main memory. The physical parts of the computer that you can see and touch keyboard, monitor, mouse, etc. Output devices output devices any peripheral that receives or displays output from a computer. Modern computer technology requires an understanding of both input and output devices, and the types of manual and direct input devices. There are four major categories of computer hardware. Input output devices are required for users to communicate with the computer.
Input and output devices people computer science virginia tech. We use input devices to tell the computer what to do. Provide practical introduction to the hardware required for virtual environment and 3d interaction. A track ball comes in various shapes like a ball, a button and a square. 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. Software is used for more features and flexibility. 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. Input devices allow us to send information to the computer. Petrol is an output device for a vehicle running on the road.
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 computer. A number of input output devices are used with many types of microcomputers. The purpose of this lesson is to cultivate an understanding of modern computing technology through an indepth study of the in. The input and output devices allow the computer system to interact with the outside. Any peripheral that receives or displays output from a computer. Computer hardware is organized according to these basic functions. Input devices are capable of converting data into a form which can be recognized by computer. Hardware and software components input and output free download as powerpoint presentation. The device used to accept the data and instructions from the user is called input device. Some commonly used input output devices are listed in table below.
Generally, monitors are output devices where the computer visually displays information. Computers are connected to a larger network system for transmission of data and information. Inputs are the signals or data received by the system and outputs are the signals or data sent from it. Since the whole device is not moved, a track ball requires less space than a mouse. The computing literature often draws a sharp distinction between input and output. Nov 22, 2016 input devices it is an electromechanical device that can be used to enter data and instructions to the computer. Thus, they act as interface between users and the cpu. Input and output devices bangladesh open university. The users interact with the cpu through these devices. Output devices speakers a hardware device connected to a computer s sound card that outputs sounds generated by the computer. Input devices an input device is any hardware component that allows you to enter data and instructions into a computer.
Peripherals connected to a computer need special communication links for interfacing them with the central processing unit. The computer uses an output device to show us something. A computer has several input device namely, keyboard, mouse, trackball, joystick, scanner, light pen, bar code reader, ocr, omr, micr etc. Input devices as well as output devices are a neccessity in order to ensure that data is. With the help of audio input devices, user can send audio instructions to computer for different tasks such as processing, recording, and more. The input and output devices venn diagram graphic organizer is a great way for students to compare,contrast and sort these types of digital devices. Computer hardware and maintenance 17428 compiled by. A computer collects, processes, stores, and outputs information. Devices input and output unit 4 input output devices.
Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Input devices pointing devices keyboard optical input devices audio input device video inpu device 7. An input device is any hardware component that allows you to enter data and instructions into a computer. They are usually the electromechanical devices connected to the cpu that exchange data and programs with the cpu. Some commonly used inputoutput devices are listed in table below. Many audio input devices work with speech recognition programs, because this software helps to translate spoken words into text document. Following are few of the important output devices which are used in a computer. Input devices any peripheral piece of computer hardware equipment used to provide data and control signals to the computer. Input output interface computer science engineering cse. Babu wants to attach all the additional parts of the computer.
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