Parts of a computer class iii, iv and v thinking of. We have also included some important questions that are repeatedly asked in previous exams. Input and output devices of computer linkedin slideshare. 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. A computer contain many electric,electronic,and mechanical components known as hardware. The data that has been processed into a useful form is called output.
Device that takes image from a computer screen and projects it onto a larger screen p. Output devices notes on data entry for nios online course. These components include input devices,output devices,and communication devices. Input and output devices before a computer can process your data, you need some method to input the data into the machine. Computer devices computer input and output devices 992019 designed by. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. Cpu controls all the connected input and output devices. Pdf input output storages devices in computers researchgate. Input devices keyboard one of the primary input devices used with a computer. Input devices it is an electromechanical device that can be used to enter data and instructions to the computer. This chapter will show you how inputoutput devices work. Any device has to be connected to the cpu to receive or send information. Output devices an output device is any hardware component that conveys information to one or more people. Dear aspirant, as you know computer is very important section to get a good score for bank exam.
The following is a list of the most common input devices which are nowadays found in a computer system. As you know computer is very important section to get a good score for bank exam. 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. What are the basic parts of the high level view of a computer example input devices. The input devices translate the information into the form understandable by computer. Input devices an input device is any hardware component that allows you to enter data and instructions onto a computer. Parts that were once hand made at a cost of thousands of manhours are now mass produced for a fraction of a rupee. Input and output the computer mouse and the keyboard are both hardware devices that allow you to communicate with the computer. The need for input and output devices teachers notes time min activity further notes 5 introduce the topic.
Input and output devices of computer input and output. Pdf computer input and output devices ingamule siraji. Student notes page 1 of 7 k aquilina input devices input is any data or instructions entered into the memory of a computer. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Inputoutput devices are required for users to communicate with the computer. Aug 27, 2018 as you know computer is very important section to get a good score for bank exam.
Input devices o level computer science 2210 prepared by. Computer is fed with a lot of data to be processed and organised. Output is the result we get through output devices. Now a day computer is one of the most important fields for every examination. Ingamule siraji 1 a computer is an electronic device that works.
Device that transmits and receives documents over telephone lines p. Fahad khan an input device is a piece of hardware that is used to enter data into a computer. An input device is a hardware device that is used to provide input data. Full lesson for gcse computer science input and output io devices.
Pdf assinment find, read and cite all the research you need on. It forms images from tiny dots, called pixels that are. 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. Here you can download the free lecture notes of computer organization pdf notes co notes pdf materials with multiple file links to download. Pdf introduction to computers, anatomy of computers, input. Introduction to computers, anatomy of computers, input and output devices. Top 50 inputoutput reasoning questions for ibps clerk mains 2018 free pdf download. Input output devices software free download input output. Top 50 input output questions for ibps clerk mains 2018. So dear reader i have provided top expected gk questions from input and output device of the computer. Note that some peninput devices, such as the tablet pc, use an inductive sensing technology that can only sense contact from a specially instrumented stylus. They are divided into two categories 1 manual input devices devices that.
Six widely used input devices are the keyboard, mouse, microphone, scanner, digital camera and pc video camera. 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. Chapter 5 inputoutput devices computer science igcse. Dec 29, 2016 an input devices converts the data and instructions into binary form that computer can understand. The unit 4 presents the information of input and output devices. 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. Microphone is an input device to input sound that is then stored in digital form. Includes teachers powerpoint, activity, worksheet, and plenary. Computer parts can be divided into two groups, hardware and software. These need a warm object to sense a touch in the glass screen this is in a heatsensitive system. The keyboard looks very similar to the keyboards of electric typewriters, with some additional keys. Computer organization pdf notes co notes pdf smartzworld. A number of inputoutput devices are used with many types of microcomputers.
About basic computer hardware every part of your computer is the result of years of research and development. This architecture is designed to provide a systematic means of controlling interaction with the outside world and to provide the operating system with the information it. Input devices bring information into the computer and output device send. Here we are providing sample questions in computer fundamentals. Devices input and output unit 4 input output devices. Input and output devices input devices allow us to send information to the computer.
An input devices converts the data and instructions into binary form that computer can understand. 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. 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. These scanned images are then used in computer aided design cad, or sent to a d printer to take a 3d printout. The computer organization notes pdf co pdf book starts with the topics covering basic operational concepts, register transfer language, control memory, addition and subtraction, memory hierarchy. Computer inputoutput ports and interfaces 1 terms and abbreviations. The audio output is the ability of the computer to output sound. Following are few of the important output devices which are used in a computer. An input device is any hardware component that allows a user to enter data and instructions into a computer. Input is usually given by clicking the mouse or typing on the keyboard. Computer science paper 1 notes o level computer science. 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 deviceoutput devices return processed data that is information, back to the user. Magnetic ink card readermicr micr input device is generally used in banks because of a large number of cheques to be processed every day.
It only processes the information given by the input devices and sends the result to the output devices. There are two other commonly used mechanisms for implementing io operations. Dear aspirants, welcome to online computer quiz in. Input output devices software eltima serial port terminal v.
Input and output devices of computer computer notes. Every computer performs the basic functions of input, processing, storage, output. Keyboards allow a computer user to input letters, numbers, and other symbols into a computer uses an arrangement of buttons or keys. It will be useful for all sbiibpslic exams and other competitive exams. Mcq input and output device of computer with answers pdf. Joysticks are often used to control video games, and usually have one or more pushbuttons whose state can also be read by the computer. Input, process, output input, process, output supplemental lecture notes typical system computer case monitor printer speakers modem keyboard mouse computer components. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Every computer performs the basic functions of input, processing, storage, output, and transmission of data. Input devices as well as output devices are a neccessity in order to ensure.
Jan 05, 2017 the devices which are used to give data and instructions to the computer are called input devices. Input and output devices bangladesh open university. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. This transformation is performed by input interface. Monitor printer speaker headphone monitor a monitor is an output device similar. Many of these are less complex versions of io devices that have been available for larger computer systems. Keyboards allow a computer user to input letters, numbers, and other symbols into a computer. Mcqs on input and output devices gk objective question answer exam question answer for the competitive exam of govt jobs. Following on from lesson 2, this lesson covers common input and output devices, including computer accessibility for disabled users.
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. Output james tam output devices displays information from the computer to the a person. The devices which are used to give data and instructions to the computer are called input devices. Top 50 input output reasoning questions for ibps clerk mains 2017. In computing, an input device is any peripheral piece of computer hardware equipment used to provide data and control. Parts of a computer class iii, iv and v thinking of various. These scan through very thin slices of the object by the use of xrays, gamma rays and radio frequencies. Sort which are the input and output devices of the computer and write their names 6. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music. A midi musical keyboard can be attached to a computer and allow a performer to play music that is captured by the computer system as a sequence of notes with the associated timing instead of recording digitized sound. They are divided into two categories 1 manual input devices devices that need human involvement to input data. Introduction to computers, anatomy of computers, input and. The computer will be of no use unless it is able to communicate with the outside world. An input device is a hardware device that is used to provide input data instructions to a computer so that it can be processed.
Input devices pointing devices keyboard optical input devices audio input device video inpu device. Inputoutput devices and interaction department of computer. Complete o level computer science 2210 guide, latest past papers yearly and topical, all latest computer science o level notes compiled from all web at one place for you. Input and output devices introduction the unit 4 presents the information of input and output devices.
Input and output devices are required for users to communicate with the computer. A printer is an output device that produces a printout or hard copy of the output from a computer. Hardware and software in this section of notes you will. In an optical system, it uses an array of sensors like a grid on the screen where touch is categorized into the coordinates of the sensors on the grid. Input and output devices input and output devices input devices input devices are used to get data into. Aug 30, 20 types of input devices keyboard mouse scanner 5. Introduction input and output devices are very important for computers, without them,computers will not be as functional. Input devices include keyboards, mouse, digital camera and light pen. Pointing devices a pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to. Input device translates words, sounds images, and actions that people understand into symbols that the system unit can process.
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