This is unlike input devices that lets you send data out of the system. Status information is used inter alia to implement another level of handshaking see later. When i draw using a mouse, it is an input to the computer. However, the output device is will show you what the computer has received. Output dev ices it is a device used to provide the processed data from the computer to the user. It does this by showing you how microprocessors interface to the real world. It can be text, graphics, tactile, audio, and video. Examples include monitors, projectors, speakers, headphones and printers. Computer devices computer input and output devices 992019 designed by. Explain different types of storage devices in computer systems storage devices storage devices are used to store data and instructions permanently. Interfacing to inputoutput devices this experiment further consolidates the programmers view of computer architecture. The devices which are used to input the data and the programs in the computer are known as input devices.
You can view the output on the monitor or you can print it on a paper using a printer. Thus, most output devices used by humans are in these categories. Output devices the devices which are used to display the results or information are called output devices. An output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. Monitors and printers are two of the most commonly used output devices used with a computer. Output devices are those peripheral devices that allow a. Output devices can adopt different shapes and styles, which are used to give the output of the processing of data. The sharpness of the image depends upon the number of pixels.
There are two kinds of viewing screen used for monitors. List several types of printers and explain their functions. Explain different types of storage devices perfect. Analog signals are continuous and can have any number of statesnot. Output devices of computer receive data from the system which it shows to you. The devices are usually used for display, projection, or for physical reproduction. Input and output devices introduction the unit 4 presents the information of input and output devices. 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 connections. Output devices are devices that receive data or instruction from a computer. The size of a monitor is measured in inches diagonally across the screen. Pdf input output storages devices in computers researchgate.
The output devices convert them into a form such as printed form or display on a. Functions of some of the important keys are defined below. Many of these are less complex versions of io devices that have been available for larger computer systems. The computer sends information to the output devices in the binary coded form. It is a very famous cursorcontrol device having a small palm size box with a round ball at its base which senses the movement of mouse and sends corresponding signals to cpu when the mouse buttons are pressed. For example, the image shows an inkjet printer, an output device that can make a hard copy of anything shown on the monitor. Devices input and output unit 4 input output devices. Bar code reader it is used to accept barcode inputs. Input is usually given by clicking the mouse or typing on the keyboard. Output devices a monitor monitor is an output device that resembles the television screen and uses a cathode ray tube crt to display information. Output device devices the output device receives information from the computer and provides them to the users. A hammer presses the wheel against a ribbon, which in turn makes an ink stain in the shape of the character on the paper. Output devices, such as a televisionlike monitor, show results of the computer. List of input devices, output devices and both input.
Monitor vduscreen and printer ar e the most commonly used output d evices. Explain how a terminal is both an input and output device. Identify output options for physically challenged users. Ingamule siraji 1 a computer is an electronic device that works. Output devices show the information that the computer will act upon. In the computer industry, the terms computer and cpu are often. Output devices impact printer daisywheel similar to a ballhead typewriter, this type of printer has a plastic or metal wheel on which the shape of each character stands out in relief. Input and output devices allow the computer system to interact with the outside world by moving data into and out of the computer system. An output device is used to send data out of the system.
Pdf computer input and output devices ingamule siraji. A color monitor can display from 16 to over 1 million different colors. A computer or laptop keyboard is kind of hardware device that you can use to type data in a computer system. This experiment guides you through some of the details of. An output device is any piece of computer hardware equipment which converts information into. Output devices provide data in myriad different forms, some of which include audio, visual, and hard copy media. Monitors, commonly called as visual display unit vdu, are the main output device of a computer. Here i am going to share you about list of basic input devices, output devices and both input output devices. Most computer data output that is meant for humans is in the form of audio or video. Introduction an output device is an electromechanical device that accepts data from a computer and translates them in suitable form for the users. The input output system module 2 3 analog devices in contrast to discrete devices, analog devices are input or out put devices that provide or receive analog signals. This pdf is a selection from an outofprint volume from the national.
The monitor is associated with a keyboard for manual input of characters and displays the information as it is keyed in. Input and output devices bangladesh open university. A number of input output devices are used with many types of microcomputers. Generally it has two buttons called left and right button and a wheel is present between the buttons. An input device is any peripheral used to provide data and control signals to a computer. Identify the hardware devices typically used for audio output. 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. 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. An input device is any tool device for entering information into a computer. Also, ready examples that you can point to is the computer printer and monitor that show what you type into the computer either as a display on the monitor or as a printed output on paper. Some of the output devices are visual display units vdu i. Input output and interfacing usually a peripheral device will require several port addresses, some for the transfer of proper data, and others for the transfer of status information about the device. Explain the differences among various types of printers describe the uses of speakers and headsets identify the purpose of data projectors, fax machines, and multifunction devices explain how a terminal is both an input and output device identify output options for physically challenged users chapter 6 objectives p. Computer usually uses its input output channels to access secondary storage and transfers the desired data using intermediate area in primary storage.
You dont have to pick all of these output devices for your computer system, but it is important to remember that monitors are output devices that let us see what were working on as we are. It also displays the program or application output. A central processing unit cpu, also referred to as a central processor unit, is the hardware within a computer that carries out the instructions of a computer program by performing the basic arithmetical, logical, and input output operations of the system. An output device is any device used to send data from a computer to another device or user. Flow of presentation introduction types of output device 3. The user sees the result after processing of data by the computer through output devices. It forms images from tiny dots, called pixels that are arranged in a rectangular form. How do you ever wonder how information gets in your computer and how comes out in a form you can use.
Touch screens are often used for information kiosks located in department stores, hotels, airports, and museums. Input and output the computer mouse and the keyboard are both hardware devices that allow you to communicate with the computer. Monitor and the printer are the commonly used output devices. Parts of a computer class iii, iv and v thinking of. Job interview questions on basic computer technology and internet part2. Storage devices are also called secondary storage devices backing storage devices external storage devices or auxiliary storage devices. Output device can produce the final product of machine processing into a form usable by humans. Describe the characteristics of a display device and explain some of the technologies used to display images. Input output devices list with their functions pcguide4u. 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. Computer dictionary definition of what output device means, including related links, examples, information, and terms. Few examples of output devices are printers, projector, plotters, monitor, speakers, head phone, etc.
974 403 568 1151 1160 803 152 1083 1130 39 629 2 1067 599 200 1547 746 1562 1397 97 1321 1121 1138 1241 1026 923 1247 905 817 988 1202 1252 758 454 1292