Following on from lesson 2, this lesson covers common input and output devices, including computer accessibility for disabled users. Input and output devices 1 input and output devices 2 io devices input. Ppt input and output devices powerpoint presentation. A touchpad most commonly found on computer laptops computer brand doesnt matter.
A computer program processes and digitises the input information. Manual input devices keyboard the most common input device you press keys to input data into the computer the most common type of keyboard is the qwerty keyboard people are familiar with keyboards, so they dont need to be trained skilled typists can work very quickly they are very reliable and cheap many people cannot type and look at the. Now a day computer is one of the most important fields for every examination. This document is highly rated by computer science engineering cse students and has been viewed 4718 times. The computer sits between the input and output devices. Chapter 4 input and output oakton community college. The devices which are used to input the data and the programs in the computer are known as input devices. Enter data using input devices computer give us back the results through. An input device is any hardware component that allows a user to enter data and instructions into a computer. Ppt computer input and output powerpoint presentation. When we work with computer we need to entre data and. Following are some of the important input devices that are used in a.
The handout is about the types of computer input and output devices. Input devices input is any data or instructions entered into the memory of a computer. Microphone is an input device to input sound that is then stored in digital form. Input powerpoint presentation introduction to basic computer. The input output devices of a computer include things like its ppt. Explain how data is input to a computer system and differentiate among various input equipment.
Generally input devices are manual or direct data entry devices. What are the purpose of input devices and output devices. Computer input and output 1 computer input and output. These scanned images are then used in computer aided design cad, or sent to a d printer to take a 3d printout. The result is then sent to an output device such as a. Display devices that are touched with the finger to select commands or otherwise provide input to the computer common on portable computers, smartphones, and other mobile devices multitouch can recognize input from more than one finger at a time table pc large screen computer either built into a table or. Full lesson for gcse computer science input and output io devices. The inputoutput devices provide this capability to a. Input input is any data or instruction that is entered into the computers memory. Input devices units that gather information and transform that information into a series of electronic signals for the computer.
Cpu controls all the connected input and output devices. Introduction of inputoutput processor geeksforgeeks. The input output devices of a computer include things like its keyboard, mouse, video display, and network card, as well as other more optional. An electromechanical device that can be used to enter data and instructions into a computer. Nurizah binti ramli 10d0124 introduction to basic computer. The purpose of the output devices is to convert data and information expressed in electronic impulses to human understandable forms such as a printed report. Introduction to computer input, output and memory devices. Here i am going to share you about list of basic input devices, output devices. Describe how a monitor works and the characteristics that determine. This chapter will show you how inputoutput devices work. 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. Discuss in detail how these devices work together to produce information. Mcqs on input and output devices gk objective question answer exam question answer for the competitive exam of govt jobs. Input and output the computer mouse and the keyboard are both hardware devices that allow you to communicate with the computer.
Here is a powerpoint presentation that the teacher can view. Mcq input and output device of computer with answers pdf. Computer input and output dairne jesperson charles darwin university introduction this presentation aims to. This page contains computer hardware seminar and ppt with pdf report. Input device captures information and translates it into a form that can be processed and used by other parts of your computer.
The devices are usually used for display, projection, or for physical reproduction. Input output devices list with their functions pcguide4u. Chapter 5 inputoutput devices computer science igcse. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music. Choice and method of use of an input device should contribute positively to usability of the system.
Conclusion input and output devices are indispensible components of a personal computer. Often converts the data into a human readable form. Job interview questions on basic computer technology and internet part2. Devices input and output unit 4 input output devices. An output device can be used to display or print the intermediate or final results performed by the computer. Input devices it is an electromechanical device that can be used to enter data and instructions to the computer. An input device is any device that provides input to a computer. A computer receives incoming data, processes them and produces an output. Touchpad allows to use all the features as you do with a computer mouse trackpoint. Bios acronym for basic inputoutput system, the builtin software that determines what a computer can do without accessing programs from a disk.
Input output devices a computer system needs to communicate with its external environment its user. Presentation on input and output device of computer shama. Arithmetic input and logic memory output control io processor figure basic functional units of. Input devices accept data and instructions from the user. Output devices an output device is any hardware component that conveys information to one or more people. It acts as an interface between system and devices. Magnetic ink card readermicr micr input device is generally used in banks because of a large number of cheques to be processed every day. Act as a intermediary between the user and the machine in the process of communication. The following is a list of the most common input devices which are nowadays found in a computer system. 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. Without them, a computer would either has to be imbedded in your body or serve as a door stop.
A variety of output devices are used with a computer. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. Ppt input output devices powerpoint presentation, free. Describe the user relationship with computer input and output.
It involves a sequence of events to executing io operations and then store the results into the memory. Parts of a computer class iii, iv and v thinking of. 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. This ppt is about input and output devices of the computer. Computer hardware is the physical part of the computer system, the machinery and equipment. Any device has to be connected to the cpu to receive or send information. Bios acronym for basic input output system, the builtin software that determines what a computer can do without accessing programs from a disk. The input output processor is a specialized processor which loads and stores data into memory along with the execution of io instructions. Input devices allow your computer to receive instructions and create something, output devices confirm those actions and enjoyuse your creations. It only processes the information given by the input devices and sends the result to the output devices. Input devices convert the users action and analog data sound, graphics, pictures into digital electronic signal that can be processed by a computer. Input and output devices input and output devices input devices input devices are used to get data into a system. In my last post i have shared about the following job recruitment questions on basic computer technology and internetjob recruitment questions on basic computer technology and internet part1. A touchpad or trackpad is a kind of input device that has a limited area wherein you can point, scroll, click and swipe.
Introduction input and output devices are very important for computers, without them,computers will not be as functional. Three commonly used output devices are a printer, a monitor and speakers. 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. Are the beginning and end of all processes, instructions executed in the machine. An input device is any hardware device that sends data to a computer, allowing you to interact with and control it. An input device one that, together with appropriate software, transforms information from the user into data that the computer application can process. Includes teachers powerpoint, activity, worksheet, and plenary. Computer output devices receive information from the computer, and carry data that has been processed by the computer to the user. Lecture 2 input output devices, raster graphics youtube. Output devices provide data in myriad different forms, some of which include audio, visual, and hard copy media.
There are many examples of output devices, each with their own benefits and drawbacks. 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. Output device can produce the final product of machine processing into a form usable by humans. Introduction computer being a versatile machine can process different types of data. Input and output devices of computer input and output. However, there are dozens of other devices that can also be used. Output devices are pieces of computer hardware used to communicate the results of data processing performed by a computer. These scan through very thin slices of the object by the use of xrays, gamma rays. The objective of output devices is to turn computer information into a human friendlyreadable form. Pdf computer input and output devices ingamule siraji. Keyboards pointing devices game controllers scanners styluses microphones digital cameras web cams 2. Input output device ppt, computer fundamentals, class computer science engineering cse notes edurev is made by best teachers of computer science engineering cse.