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. Projectors are often used in meetings and presentations so that everyone in the room can view the presentation. They mainly cover devices like mouse, keyboard, printer, speaker, joystick, etc which. Latest input and output devices by sarbani bag on prezi. Monitor monitor is perhaps the most important output device because people interact. These devices can help us enter data into the computer. Introduction the computer will be of no use unless it is able to communicate with the outside world. However, some devices can accept input and display output, and they are referred to as io devices input output devices. Input and output devices of computer computer notes. The unit 4 presents the information of input and output devices. 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. Dec 29, 2016 an input devices converts the data and instructions into binary form that computer can understand. Computer devices computer input and output devices 992019 designed by. 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.
Input and output devices are required for users to communicate with the computer. Input devices input device is a part of computer hardware equipment. Ingamule siraji 1 a computer is an electronic device that works. Computer input and output dairne jesperson charles darwin university introduction this presentation aims to. Output device can produce the final product of machine processing into a form usable by humans. An input device is any tool device for entering information into a computer. Input and output devices 2 goals provide practical introduction to the hardware required for virtual environment and 3d interaction examine common and state of the art io devices advantages and disadvantages discuss how different io devices affect interface design. Output devices examples of output device monitor printer speakers projector. Top 50 input output reasoning questions for ibps clerk mains 2017. The devices that are used to display the information of the results are known as output devices. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. In addition, you use output devices to receive information that you can read, see or hear, they make use of components like sound cards, video cards, usb ports and sometimes wireless or wired. Monitors are very similar to televisions but usually display information at a much higher.
Pdf computer input and output devices ingamule siraji. The computer will be of no use unless it is able to communicate with the outside world. 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 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 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 device translates words, sounds images, and actions that people understand into symbols that the system unit can process. Conclusion input and output devices are indispensible components of a personal computer. Get detailed illustrated notes covering entire syllabus.
However, without an output device, theres no way to determine what the computer is doing. Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. As you know computer is very important section to get a good score for bank exam. This is unlike input devices that lets you send data out of the system. Ppt input and output devices powerpoint presentation free. The output data can be images, videos, sound and machining code. Input input is any data or instruction that is entered into the computers memory. An input device is any hardware component that allows a user to enter data and instructions into a computer. Now a day computer is one of the most important field for every examinations. 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. Input device is a device through which data and instruction are entered into computer system. This transformation is performed by input interface. Of computer, input devicescomputer fundamentalslecture notes. An input device is any peripheral used to provide data and control signals to a computer.
Aug 27, 2018 as you know computer is very important section to get a good score for bank exam. Output devices an output device is any hardware component that conveys information to one or more people. In this page you will find, the information about the computer systems units. Output deviceoutput devices return processed data that is information, back to the user. So dear reader i have provided top expected gk questions from input and output device of computer. Input output devices software eltima serial port terminal v. This gcse computer science module introduces output devices to your students, explaining. The sharpness of the image depends upon the number of pixels. The monitor displays the video and graphics information generated by the computer through the video card. 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. 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. Each input and output device is provided with a device controller, which is used to manage the working of.
Dear aspirant, as you know computer is very important section to get a good score for bank exam. Input devices bring information into the computer and output device send. Act as a intermediary between the user and the machine in the process of communication. Computer science paper 1 notes o level computer science. Devices like keyboard and mouse that are used to input data and instructions to the computer are called input unit. Are the beginning and end of all processes, instructions executed in the machine. In a computer system, data is transferred from an input device to the processor and from the processor to an output device.
A printer is an output device that produces a printout or hard copy of the output from a computer. Today we are going to discuss these devices in detail. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Computer input and output charles darwin university. The following is a list of the most common input devices which are nowadays found in a computer system. Csca0101 computing basics 5 output devices monitor the device which displays computer output. Keyboard,mouse,joystick,scanners,digital camera, bar code reader, touch sreeen,speech input device microphone iii. Videos input and output devices oculus rift virtual beating reality headset mblok laser bluetooth keyboard types of output devices the oculus rift creates a 3d environment when playing games. Output devices help transfer processed data to users. The devices which are used to input the data and the programs in the computer are known as input devices. While the devices whose main function is to give instructions and data to the computer are called input devices.
Input and output devices of computer linkedin slideshare. This is to help you have a basic idea about input and output devices. Top 50 inputoutput reasoning questions for ibps clerk mains 2018 free pdf download. Input and output devices department of computer science. Input output devices software free download input output. 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. Mcq input and output device of computer with answers pdf.
Output devices notes on data entry for nios online course. 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. The data entered through input device can be some text, some graphical image or symbol, sound etc. 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. Student notes page 1 of 7 k aquilina input devices input is any data or instructions entered into the memory of a computer. Explain how cpu communicates with inputoutput devices. In this chapter, some of the most commonly used output devices and their functions are explained. To work with these data, we require different types of devices.
Aug 30, 20 types of input devices keyboard mouse scanner 5. Input device defined as the inputting tools of the computer. They are directly connected to an electronic module inside the systems unit called a device controller. Inputoutput devices are required for users to communicate with the computer. An input devices converts the data and instructions into binary form that computer can understand. Following are few of the important output devices which are used in a computer. It will explain to you the components and the function of each components. Input devices pointing devices keyboard optical input devices audio input device video inpu device. Input and output devices school of computer science and. There is no indicator of errors, nor of the need for additional input.
Six widely used input devices are the keyboard, mouse, microphone, scanner, digital camera and pc video camera. Basics of computer and input devices with examples for. For example, the speakers of a multimedia computer system are directly connected to a device controller called an audio card such as a soundblaster, which in turn is connected to the. Components of computer, output devicescomputer fundamentals. From which we input the raw data in the computer system for further processing. An input device is a hardware device that is used to provide input data instructions to a computer so that it can be processed. Can you give an example of input and output for a computer. Output devices of computer receive data from the system which it shows to you.
Input devices an input device is any hardware component that allows you to enter data and instructions onto a computer. These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system. Jan 05, 2017 the devices which are used to give data and instructions to the computer are called input devices. These need a warm object to sense a touch in the glass screen this is in a heatsensitive system. Pointing devices a pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to. The communication between cpu and inputoutput devices is implemented using an interface unit. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. Devices input and output unit 4 input output devices. Input output devices are usually called io devices.
Learn about the most common input and output devices for the personal computer and explore the notsocommon devices used by other types of computers. The input devices translate the information into the form understandable by computer. Input devices it is an electromechanical device that can be used to enter data and instructions to the computer. What is the difference between an input and output device. Devices like printer and visual display unit that are used to provide information to the user in desired format are called output unit.
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