Plotters are used to draw different designs of buildings or internal structure of machines. An input device is any hardware component that allows a user to enter data and instructions into a computer. Output devices are devices that receive data or instruction from a computer. Input and output devices introduction the unit 4 presents the information of input and output devices. Some devices allow us to put information into our computer and get information out of our 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. It is the most common input device used for entering data and information into the computer system. A visual display unit vdu or monitors are the most popular output devices used for producing softcopy output. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music. Microphone is an input device to input sound that is then stored in digital form.
Handbook of operational amplifier applications bruce carter and thomas r. 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. Student notes page 1 of 7 k aquilina input devices input is any data or instructions entered into the memory of a computer. Common emitter configuration inputoutput characteristics relation between. Mar 09, 2017 as we saw in the previous blog about the display output devices and their ports.
Basic computer hardware notes in pdf computer awareness is tested in almost every exam. A new type of output device is been developed these days, known as speech synthesizer, a. Comparison of common encoder output signals cui devices. But before discussing the various components of a computer system, ie the input output devices and storage devices,in this article, we are going to discuss the input output devices of a computer system. An output device is any piece of computer hardware equipment which converts information into. The size of a monitor is measured in inches diagonally across the screen.
The devices are usually used for display, projection, or for physical reproduction. A plotter interprets vector graphics files and draws lines between points. The input devices translate the information into the form understandable by computer. Inputoutput devices constitute a major part of a computer system. Play the magician hat game and identify the input and output in it. Bypass capacitors c 2 and c 4 are used to get maximum voltage gain from the two inverting amplifiers. The op amp commonmode rejection ratio cmrr is the ratio of the commonmode gain to differentialmode gain. This lesson is appropriate for grade 10 learners and is based. When i draw using a mouse, it is an input to the computer. Magnetic ink card readermicr micr input device is generally used in banks because of a large number of cheques to be processed every day. Following are few of the important output devices which are used in a computer. They are divided into two categories 1 manual input devices devices that need human involvement to input data. Computer talks to you through speakers on computer p.
A display device is the most common form of output device. These are the electronic devices class 12 notes prepared by team of expert teachers. Output devices provide data in myriad different forms, some of which include audio, visual, and hard copy media. In many cases, a client or viewer application calls the ghostscript engine to do the rasterization and handles the display of the resulting image itself, but it is also possible to invoke ghostscript directly and select an output device which directly handles displaying the image on screen. 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, commonly called as visual display unit vdu, are the main output device of a computer. Devices input and output unit 4 input output devices. Input and output devices school of information technology. For example, just as your brain thinks and allows you to do different activities, cpu is the brain on computer and connects the input and output devices. So dear reader i have provided top expected gk questions from input and output device of computer. Ghostscript is often used for screen display of postscript and pdf documents. Monitor and the printer are the commonly used output devices. The inputoutput system module 2 3 analog devices in contrast to discrete devices, analog devices are input or output devices that provide or receive analog signals.
Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Many of these are less complex versions of io devices that have been available for larger computer systems. Fahad khan an input device is a piece of hardware that is used to enter data into a computer. Examples include monitors, projectors, speakers, headphones and printers.
Most keyboards have between 80 and 110 keys, including. Output devices are those devices which display the required result in simple words to the users. Here is the basic idea of input and output devices and how they are different from one another. It can also print all kinds of designs made by architects or that of engineers and graphics too. This lesson is appropriate for grade 10 learners and is. Dear aspirant, as you know computer is very important section to get a good score for bank exam. Pdf input output storages devices in computers researchgate. Without io devices, a user cannot communicate with the computer.
When a capacitor is located across nodes where there is. Common emitter configuration inputoutput characteristics. Printer is an output device, which is used to print information on paper. Io devices before delving into the main content of this part of the book on persis. B alu arithmetic logic unit think of the alu as the logical part of the brain. Computer component that produces music, speech, and other sounds speakers and headsets are common devices p. In this blog we will discuss about the other inputoutput devices which we attach to our systems to expand its. It can be text, graphics, tactile, audio, and video some of the output devices are visual display units vdu i. Characteristics of impact printers are the following. Following are few of the important input devices which are used in a computer. Analog signals are continuous and can have any number of statesnot just two, as with discrete digital signals. Input and output devices 3 lecture outline output devices visual displays audio output tactile and haptic output input devices discrete event devices continuous event devices combination devices speech input the first part of the lecture will describe a number of output devices that stimulate the. The most common of all input devices is the keyboard.
Monitor monitor is perhaps the most important output device because people interact. In this video, well look at some common input and output devices. Mar 25, 2017 common emitter configuration inputoutput characteristics relation between. An output device is any device used to send data from a computer to another device or user. A color monitor can display from 16 to over 1 million different colors. As pxl information is variable in size and number of pxl files required per run, we have developed a simple method to. Ee105 fall 2014 microelectronic devices and circuits. Whether it is an incremental encoders quadrature output, a commutation encoders motor pole output, or a serial interface that uses a specific protocol, all of these signals are digital and have high and low states. Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. Output devices monitor features display resolution the resolution of a monitor indicates how densely packed the pixels are. A plotter is a printer that prints graphics by drawing images with ink pens. Thus, most output devices used by humans are in these categories. Typing keys,a numeric keypad, function keys and control keys. A plotter is an output device used to produce imagequality graphics in a variety of colors.
We need to head to the computer store one more time. Output devices notes on data entry for nios online course. A number of inputoutput devices are used with many types of microcomputers. Monitors and printers are two of the most commonly used output devices used with a computer. It forms images from tiny dots, called pixels that are arranged. Dec 29, 2016 monitor is an output device which is used for producing softcopy output. This is the most common output device connected with the computer to display the processed information. What are different types of input devices with examples. Nov 16, 2019 an output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction.
Computer output devices receive information from the computer, and carry data that has been processed by the computer to the user. As you consider 10 examples of output devices, a plotter stands out due to the fact that it was the first printer made that could print graphics. Now a day computer is one of the most important field for every examinations. The output device provides the output of data or information. For example, the image shows an inkjet printer, an output device that can make a hard copy of anything shown on the monitor. A keyboard the most common and very popular input device which helps in inputting data to the. Printer technology and their development over time are discussed and compared. When any mathematical calculation or decisionlogic needs to be carried out, the instruction is passed on to the alu. Computer dictionary definition of what output device means, including related.
Monitor is an output device which is used for producing softcopy output. Now weve really got to figure out whats important for your output. Pos scanner are hardware devices capable of reading a barcode and printing out the details of the product andor logging that product into a database so a company can easily keep track of its inventory. Aug 27, 2018 keyboardthe most common and very popular input device which helps in inputting data to the computer mouse mouse is the most popular pointing device and 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. An output device is any piece of computer hardware equipment which converts information into humanreadable form. One very common device that acts as both input and output is a touch screen. Input is usually given by clicking the mouse or typing on the keyboard.
Interstage coupling capacitors c 3 and c 5 transfer ac signals between amplifiers but. Identify your body parts that can be compared to computer parts. Electronic devices class 12 notes physics mycbseguide. Half circuits for common mode and differential mode are different. Nov 27, 2018 advertisement input output device based mcq mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs.
Most modern monitors can display 1024 by 768 pixels, the svga standard. These scanned images are then used in computer aided design cad, or sent to a d printer to take a 3d printout. This is the standard input device attached to all computers. 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. Most computer data output that is meant for humans is in the form of audio or video. Using a keyboard, a person can type a document, use keystroke shortcuts, access menus, play games and. It creates a visual display by the use of which users can view processed data.
The following is a list of the most common input devices which are nowadays found in a computer system. Input devices o level computer science 2210 prepared by. A temperature transducer is an example of an analog input device. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Pdf assinment find, read and cite all the research you need on researchgate. We can still use half circuit concept if the deviation from prefect symmetry is small i. Weve picked out your system unit and input devices. Plotters are used to print large maps, architectural drawings, graphs and charts.
An output device does not send anything back to the computer. Output deviceoutput devices return processed data that is information, back to the user. Other common input output devices computing technology. Explain different types of output devices perfect computer. A monochrome monitor is a type of crt computer display which was very common in the early days of. Bias circuit is similar to half circuit for common mode. The common collector, or emitter follower phototransistor circuit configuration has effectively the same topology as the normal common emitter transistor circuit the emitter is taken to ground via a load resistor, and the output for the circuit being taken from the emitter connection of the device.
Download cbse class 12th revision notes for chapter 14 electronic devices in pdf format for free. Handbook of operational amplifier applications rev. As we saw in the previous blog about the display output devices and their ports. What is the difference between an input and output device. Download revision notes for electronic devices class 12 notes and score high in exams. 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. Nov, 2018 an output device can receive data from another device and generate output with that data, but it cannot send data to another device. Mcq input and output device of computer with answers pdf. Jan 05, 2017 the devices which are used to display the results or information are called output devices. Class 12 physics notes chapter 14 electronic devices. Impact printers nonimpact printers impact printers the impact printers print the characters by striking them on the ribbon which is then pressed on the paper. In general, the more pixels often expressed in dots per inch, the sharper the image.
The focus of this lesson is on common output devices. May 11, 2014 the focus of this lesson is on common output devices. Monitor receives data from a computer output and displays that information as text and images for users to view. For example, if a differential input change of y volts produces a change of 1 v at the output, and a commonmode change of x volts produces a similar change of 1 v, then the cmrr is xy. These scan through very thin slices of the object by the use of xrays, gamma rays and radio frequencies. It is most widely used input device to enter data and instructions into the computer. It forms images from tiny dots, called pixels that are. Designed to use vector graphics, plotters were once commonly. The purpose of the output devices is to translate data and information from electrical impulses to a humanreadable format.
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