Output devices of computer receive data from the system which it shows to you. Computer devices computer input and output devices 992019 designed by. How do you ever wonder how information gets in your computer and how comes out in a form you can use. Ingamule siraji 1 a computer is an electronic device that works. The devices are usually used for display, projection, or for physical reproduction. The size of a monitor is measured in inches diagonally across the screen. 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. Monitors, commonly called as visual display unit vdu, are the main output device of a computer.
Output dev ices it is a device used to provide the processed data from the computer to the user. Here i am going to share you about list of basic input devices, output devices and both input output devices. Describe the characteristics of a display device and explain some of the technologies used to display images. An output device is any device used to send data from a computer to another device or user. An input device is any peripheral used to provide data and control signals to a computer. Explain different types of storage devices in computer systems storage devices storage devices are used to store data and instructions permanently. Most computer data output that is meant for humans is in the form of audio or video. Interfacing to inputoutput devices this experiment further consolidates the programmers view of computer architecture. Output device can produce the final product of machine processing into a form usable by humans. 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. Some of the output devices are visual display units vdu i. Touch screens are often used for information kiosks located in department stores, hotels, airports, and museums. Job interview questions on basic computer technology and internet part2. In the computer industry, the terms computer and cpu are often.
You can view the output on the monitor or you can print it on a paper using a printer. Introduction an output device is an electromechanical device that accepts data from a computer and translates them in suitable form for the users. 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. 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. For example, the image shows an inkjet printer, an output device that can make a hard copy of anything shown on the monitor. Input and output the computer mouse and the keyboard are both hardware devices that allow you to communicate with the computer. Devices input and output unit 4 input output devices. An output device is used to send data out of the system.
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. Bar code reader it is used to accept barcode inputs. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Output devices the devices which are used to display the results or information are called output devices. Output devices provide data in myriad different forms, some of which include audio, visual, and hard copy media. List of input devices, output devices and both input. 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. An input device is any tool device for entering information into a computer. Computer dictionary definition of what output device means, including related links, examples, information, and terms. This experiment guides you through some of the details of.
The output devices convert them into a form such as printed form or display on a. 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. Input output devices list with their functions pcguide4u. When i draw using a mouse, it is an input to the computer. Identify the hardware devices typically used for audio output. Input and output devices bangladesh open university. 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. Pdf input output storages devices in computers researchgate. An output device is any piece of computer hardware equipment which converts information into.
Output devices are those peripheral devices that allow a. The sharpness of the image depends upon the number of pixels. The usage of some of the commonly used output devices is tabulated below. Explain different types of storage devices perfect. Storage devices are also called secondary storage devices backing storage devices external storage devices or auxiliary storage devices. A color monitor can display from 16 to over 1 million different colors.
Pdf computer input and output devices ingamule siraji. Input and output devices allow the computer system to interact with the outside world by moving data into and out of the computer system. Flow of presentation introduction types of output device 3. Many of these are less complex versions of io devices that have been available for larger computer systems. Computer used only to support output device, not to run. It also displays the program or application output. Input is usually given by clicking the mouse or typing on the keyboard. Output device devices the output device receives information from the computer and provides them to the users. This is unlike input devices that lets you send data out of the system. However, the output device is will show you what the computer has received. Monitors and printers are two of the most commonly used output devices used with a computer. An output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. It does this by showing you how microprocessors interface to the real world. Parts of a computer class iii, iv and v thinking of.
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. Examples include monitors, projectors, speakers, headphones and printers. 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. A computer or laptop keyboard is kind of hardware device that you can use to type data in a computer system. Generally it has two buttons called left and right button and a wheel is present between the buttons. Functions of some of the important keys are defined below. Output devices can adopt different shapes and styles, which are used to give the output of the processing of data. Input and output devices introduction the unit 4 presents the information of input and output devices. There are two kinds of viewing screen used for monitors. Identify output options for physically challenged users.
Output devices, such as a televisionlike monitor, show results of the computer. 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 devices show the information that the computer will act upon. A number of input output devices are used with many types of microcomputers. Analog signals are continuous and can have any number of statesnot. List several types of printers and explain their functions. It can be text, graphics, tactile, audio, and video. Output devices are devices that receive data or instruction from a computer. The monitor is associated with a keyboard for manual input of characters and displays the information as it is keyed in.
The computer sends information to the output devices in the binary coded form. 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. The user sees the result after processing of data by the computer through output devices. 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. The devices which are used to input the data and the programs in the computer are known as input devices. Thus, most output devices used by humans are in these categories. Monitor vduscreen and printer ar e the most commonly used output d evices. Computer usually uses its input output channels to access secondary storage and transfers the desired data using intermediate area in primary storage.