The microphone is used for various applications such. The input devices are the hardware that is used to transfer transfers input to the computer. Generally there are multiple gpio pins on a single mcu for the use of multiple interaction so simultaneous application. Mcq input and output device of computer with answers pdf. Output devices can adopt different shapes and styles, which are used to give the output of the processing of data. The following are some of the important output devices used in a computer. Computer devices peripheral a peripheral is a device that is used to put information into or get information out of the computer. Generations of computer 1st to 5th explained with pictures.
Computer input and output devices list of input devices byjus. Input output interface provides a method for transferring information between internal storage such as memory and cpu registers and external io devices. 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. Output devices monitor features display resolution the resolution of a monitor indicates how densely packed the pixels are. Input output devices are required for users to communicate with the computer. Many of these are less complex versions of io devices that have been available for larger computer systems. Ingamule siraji the digitiliser 992019 17 designed by. This section explains how to interface many different input and output devices to the pic microcontroller. Since many microcomputer systems are designed around standard bus structures such as the sloo, peripherals from many manufacturers may be used with a single main computer.
Very simple devices will have one or a few hardware chips to implement their functionality. These devices are in the stage of experimenting and development, where various problems like speech should be independent of persons. When you play the game, its various parts are copied in and out of the main memory. Dec 04, 2010 working of input devices input devices. The keyboardlooks very similar to the keyboards of electric typewriters, with some additional keys. Most modern monitors can display 1024 by 768 pixels, the svga standard. These examples of output devices also include input output devices. Both input and output devices can be built into a computing device, like the screen on a laptop or smart phone or they can be separate, like a mouse or external speakers plugged into a desktop computer in an office. Pdf input output storages devices in computers researchgate. For instance, a keyboard or computer mouse is an input device for a computer, while monitors and printers are output devices. The interfacing circuits can also be used with any pic. Devices input and output unit 4 input output devices. Device language authors symbolics lgp1 web richard furuta, pierre mackay, pascal u.
Applications of interfacing devices with microcontroller. An input device is any tool device for entering information into a computer. Examples of io devices are cd drives, dvd drives, usb drives, hard disk drives hdds, and floppy disk drives. Keyboard mouse joystick microphone bar code reader graphics tablet pen drive cddvd digital camera. Which output device of a computer is used for training presentations. Ingamule siraji 27 output devices the following are some of the important output devices used in a computer. In this article, we shall discuss the various input and output devices which can be connected to a computer, along with their functions. This application report presents a comprehensive collection of the input and output characteristic curves of integrated circuit s from various 5v logic families. Interfacing can be defined as transferring data between microcontrollers and interfacing peripherals such as sensors, keypads, microprocessors, analog to digital converters or adc, lcd displays, motors, external memories, even with other microcontrollers, some other interfacing peripheral devices and so on or input devices and output devices. Data is input into the computer directly by a machine or device.
Input and output devices of computer computer notes. An output device is any piece of computer hardware equipment which converts information into human read able form. Given below is the list of the most common input devices along with brief. The input and output devices allow the computer system to interact with. The system has a capacity of up to ten laram devices. A new type of output device is being developed these days, known as speech synthesizer, a. Input devices include keyboard, image scanner, microphone, mouse, joystick, etc.
In computing, input output refers to the communication between aninformation processing system such as a computer, and the outside world. Complete input and output devices of computer, with examples. Inputs are the signals or data received by the system, and outputs are the signals or data sent from it. The following is a list of the most common input devices which are nowadays found in a computer system. Output devices projector cathode ray tube crt projector in the early days of projectors, crt projectors were commonly used. These curves go beyond the information given in data sheets by providing additional details regarding the characteristics of the components. Crt separates signal into red, green, and blue signals 5. Switches, lamps valves etc common characteristics of io modules removable terminal blocks retractable wiring is connected to the terminal block tilblkil ditth dlterminal block is plugged into the module. The microphone is used for various applications such as adding sound to a multimedia. The following section will help summarize each of the input devices. Inputoutput devices are required for users to communicate with the computer.
One of the primary input devices used with a computer. Any hardware component used to enter data, programs, commands, and user responses into a computer scanners and reading devices voice input keyboard pointing device video input digital p. A general purpose inputoutput gpio is an interface available on most modern microcontrollers mcu to provide an ease of access to the devices internal properties. Input and output devices bangladesh open university. Inputoutput devices dont only produce output, but can also be used as storage and input devices. A color monitor can display from 16 to over 1 million different colors. Input output interface computer science engineering cse.
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. Ingamule siraji 28 monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Input devices as well as output devices are a neccessity in order to ensure that data. Computer input, processing, output and storage devices. An input device is a piece of hardware that is used to enter data into a computer. Direct input devices do not require much human interaction to get their data into a computer system. Computer devices includes, input, output, processing and storage. Video card converts digital data to analog signal 3.
In this context, input and output devices with more than 2 degrees of freedom are being developed to support true direct manipulation of objects, as opposed to the indirect control provided by two and threedimensional widgets, and user interfaces appear to require support for many degrees of freedom, 21 higherbandwidth input and output, real. Input devices as well as output devices are a neccessity in order to. Computer input and output devices list pdf fstatic. Hence, the above are examples of input devices, output devices, and both input and output devices io devices. Keyboard mouse joy stick light pen track ball scanner graphic tablet microphone magnetic ink card readermicr optical character readerocr bar code reader optical mark readeromr keyboard keyboard is the most common and very popular input device which helps in inputting data to the. Input and output devices allow the computer system to interact with the outside world by moving data into and out of the computer system.
Electron guns fire color signals to front of crt 6. A keyboard is used to input data and monitor is used to display the input data and to receive a message from the computer. What is the difference between an input and output device. Input and output characteristics of digital integrated.
Keyboard keyboard is the most common input device used for entering text data directly into a computer. The designation of a device as either input or output depends on perspective. List of input devices, output devices and both input output. Explanations of basic commands are provided in the commands section available separately. The image below shows where input dev ices fit into a computer system.
Input and output devices introduction the unit 4 presents the information of input and output devices. Monitors graphic plotter printer 992019 designed by. Output device display data from the memory of the computer. Pdf assinment find, read and cite all the research you need on. Basic code examples are provided for users of the basic stamp or picaxe systems. Output can be text, numeric data, line, polygon, and other objects. Input and output for microprocessors 251 nand gate ei0, such that when no switch is pressed, the output of the gate is low. In this section we will discuss various types of input devices used for entering data into. December 14, 2010 february 15, 2018 allaboutbasic in my last post i have shared about the following job recruitment questions on basic computer technology and internet. Which is used to output sound from multimedia presentations.
In this article, we shall discuss the various input and output devices which can be connected to a computer. Ingamule siraji 26 the optical character reader ocr 992019 designed by. Due to their large size, low light output and the frequent need to converge and align the images projected from each of the three. All io devices, however, do not send and receive the same type of signal. The most common of all input devices is the keyboard. A number of input output devices are used with many types of microcomputers. Keyboard mouse touchscreen graphic tablet microphone scanner. Pdf computer input and output devices ingamule siraji. It can be text, graphics, tactile, audio, and video some of the output devices are visual display units vdu i. It forms images from tiny dots, called pixels that are arranged in a rectangular form.
Examples of io devices are cd drives, dvd drives, usb drives. Dec 14, 2010 list of input devices, output devices and both input output devices related to computer. Input is usually given by clicking the mouse or typing on the keyboard. An input device is any peripheral used to provide data and control signals to a computer. Both input and output devices require some form of control. Describe various types of output devices, including display devices and interactive whiteboards discuss the advantages, disadvantages and limitations of various output devices explain what criteria are used to measure the quality of display devices list and describe the software and equipment needed to operate input and output devices. Other inputs and output devices are cd and dvd drive, multifunctional printer, modem, digital camera, etc. Different printers are suited to different purposes and have a range of purchase and running costs. Difference between input devices and output devices. Keyboard,mouse,joystick,scanners,digital camera, bar code reader, touch sreeen, speech. Input devices are part of the four main hardware components of a computer system.
The inputoutput system 2 module 2 21 types of input output devices a micrologix plc uses its input and output interfaces to connect with field input output devices. They are divided into two categories 1 manual input devices devices that need human involvement to input data 2 automatic input devices devices that do not need human involvement to input data. Output devices input, output and other devices siyavula. Types of input devices keyboard slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. However, some devices can accept input and display output, and that they are mentioned as io devices input output devices. Examples of these could be your computers monitor, which displays all the programs which are running on the computer, as well as the printer, which will print out. The size of a monitor is measured in inches diagonally across the screen. Peripherals connected to a computer need special communication links for interfacing them with the central processing unit. It is specially used for checking the answer sheets of examinations having multiple choice questions. Following are few of the important input devices which are used in a computer. Sep 09, 2019 the input devices take the data from the user and enters it to the processor to take specific actions whereas the output devices take the data from the processor and send to the user in different forms. They utilized three tubes, one for each of the primary colors. Output device definitiona piece of equipmenthardware which gives out.
Devices for communication between computers, such as modems and network cards, typically perform both input and output operations. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Commonly used output devices are printer, monitor, speakers, projector lcd projection panels, computer output microfilm, plotters etc. Output devices are simpler for the user since they only see the results and do not have to learn the processes. In general, the more pixels often expressed in dots per inch, the sharper the image. Input output devices identify different input devices and their features identify different output devices and their features describe. List of input devices, output devices and both input. Input output modules isolation between io and plcisolation between io and plc l1 line l1 li isolation barrier l1 line neutral fuse plc processor power sl l1 line output device neutral input module supply output module l1 neutral io modules provide isolation between field wiring and plc internal circuitry. Input output modules overview input output io modules provide physical interface between plc processor and field devices. The computer transmits data to the drive, where it is saved and can be later accessed. 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. Washington index to sample output from various devices camera copy for the following items in this issue of tugboat was prepared on the devices indicated, and can be taken as representative of the output produced by those devices. Ingamule siraji microphone microphone is an input device to input sound that is then stored in a digital form. Most simple, intuitive, and easiest to learn of all input devices.
Input devices input is any data or instructions entered into the memory of a computer. It convert these instruction and data into binary code that is recognised by the computer. The most popular input output device is the visual display unit vdu. The data can be in the form of text, graphics, sound, and text. Output, which provides output to the user from the computer monitors. When the computer exe cutes a read from input port 0, the output of the nand gate is allowedto appear on bit 0 of the data bus by enabling a tristate bufferei. Inputs are the signals or data received by the system and outputs are the signals or data sent from it. Inputoutput devices constitute a major part of a computer system.
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