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. Input and output summary visual basic microsoft docs. It is the transformation process to convert the input into output. An input device helps you to communicate with the computer. 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. The above pdf is based on input and output devices and contains the following. Magnetic ink card readermicr micr input device is generally used in banks because of a large number of cheques to be processed every day. Here i am going to share you about list of basic input devices, output devices and both inputoutput devices related to.
Input and output devices bangladesh open university. Worksheets like these are suitable for students who are ready for them regardless of grade. It is the process of capturing or acquiring the information, or it is the process of accepting data or information, by using input the computer can do any process. For the love of physics walter lewin may 16, 2011 duration. In essence, the students are required to think more with worksheets like these. Mcq input and output device of computer with answers pdf. And also to provide isolation from processor to output devices.
Computer input, processing, output and storage devices. The input devices receive input signals from the mechatronic systems via interfacing devices and sensors. Conditions include internal load, outside air temperature, and output actions. Inputoutput devices basic computer concepts wiki fandom. Three commonly used output devices are a printer, a monitor and speakers. Microphone gives sound or voice input to the computer. An output device works by receiving a signal from the computer and using that signal to perform a task to display the output. There are many other ways a computer could output data. Pointing devices a pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to. Input is usually given by clicking the mouse or typing on the keyboard.
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. A computer monitor with a calculator program displayed. Joysticks are often used to control video games, and usually have one or more pushbuttons whose state can also be read by the computer. To enter information and issue commands, you use input devices. The following is a list of the most common input devices which are nowadays found in a computer system. Bios basic inputoutput system is the program a personal computers microprocessor uses to get the computer system started after you turn it on. Computer devices includes, input, output, processing and storage. It gives a detailed listing of the various types of input devices and the output devise. Then it is sent to the control circuits for conditioning or processing. The input and output sections are where the processor receives information from external devices and communicates information to external devices. The inputs might thus be from switches, as illustrated in figure 1. Job interview questions on basic computer technology and internet part2. Cpu controls all the connected input and output devices. Input devices it is an electromechanical device that can be used to enter data and instructions to the computer.
Any data or instruction entered into the computer is known as input. Any device has to be connected to the cpu to receive or send information. System is a class and out is a public static field which accepts output data. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. The inputoutput module use for providing the isolation between input devices and process. 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. A standard output device is the computer monitor, which displays text, images, and user interface elements by lighting up thousands of pixels with different colors. Many of these are less complex versions of io devices that have been available for larger computer systems. Most of the questions will deal with either integers or strings. Bios, which stands for basic input output system, is software stored on a small memory chip on the motherboard.
Analog signals are continuous and can have any number of statesnot just two, as with discrete digital signals. If the direction of flow of bytes is from the devicefor example, keyboard to the main memory then this process is called input. Input devices input is any data or instructions entered into the memory of a computer. At hackerearth, input data is read from standard input stream stdin and results are printed to standard output stream stdout. Input devices such as push buttons, limited switches, sensors and selector switches are hardwired to terminals on the input modules.
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. Input sensors and status devices react to changes in conditions. 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. Its bios thats responsible for the post and therefore makes it the very first software to run when a computer is started. Projectors are often used in meetings and presentations so that everyone in the room can view the. Other computer components may have registers of their own that are used in their control. Input devices are used to give data and instructions to the computer.
A temperature transducer is an example of an analog input device. This quiz will test students knowledge of basic input and output devices. Monitor and the printer are the commonly used output devices. Introduction to computers, anatomy of computers, input and output devices. For example, below is a basic list of steps of how an output device works. Interface main mem ory di s knetw r bus 5272004 cse 378 io 3 types of io devices input devices keyboard, mouse output devices screen, line printer devices for both input and output disks, network interfaces 5272004 cse 378 io 4 an important io device. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Input output tables require students to look at the pattern, analyze what is happening, complete the tables and then state the rule. Now a day computer is one of the most important fields for every examination.
Visual basic language keywords and runtime library members are organized by purpose and use. Input and output devices introduction the unit 4 presents the information of input and output devices. Supply air temperature sensor sat detects input reaction decrease in temperature. Then we are going to apply this theory on simple experimental projects, using a led and switch, to. Basic inputoutput operations posted on may 9, 2008, by ibrahim kamal, in microcontrollers, tagged in this third part of the 89s52 tutorial, we are going to study the basic structure and configuration of io ports. Computer output devices receive information from the computer, and carry data that has been processed by the computer to the user. In this article, you will learn simple ways to display output, and take input from the user. Sound card plays contents of digitized recordings, speakers attached to sound card. Keyboard, mouse, scanner, barcode reader, web cam, and microphone are some of the commonly used input devices. An input device is a piece of hardware that is used to enter data into a computer. Basic input output system bios 2 bios purpose the design of any computer requires that many of the hardware elements of the machine be located at specific addresses within the range of inputoutput ports of the computer. Page 1 cover i spy game page 2 instructions i spy game page 34 clue sheet i spy game other activities page 5 unscramble page 6 word search page 7 page 8 cross word puzzle page 9. Following are few of the important output devices which are used in a computer.
Output device can produce the final product of machine processing into a form usable by humans. The devices which are used to input the data and the programs in the computer are known as input devices. Without these input devices, the computer would be a simple device and not allow users to interact with it. A joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling. So dear reader i have provided top expected gk questions from input and output device of the computer. Computer keyboards a keyboard is an input device is a board represented with a lot of different buttons. Introduction to computers, anatomy of computers, input and. Output devices provide data in myriad different forms, some of which include audio, visual, and hard copy media. Plc programmable logic control block diagram, input.
Input devices pointing devices keyboard optical input devices audio input device video inpu device. A number of inputoutput devices are used with many types of microcomputers. Bios acronym for basic inputoutput system, the builtin software that determines what a computer can do without accessing programs from a disk. An example c code to read an integer from stdin and printing it out to stdout is shown below.
Contentsshow input devices an input device is an piece of hardware equipment which when plugged into a computer, provides data and control signals. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Page 1 cover i spy game page 2 instructions i spy game page 34 clue sheet i spy game other activities page 5 unscramble page 6 word search page 7 page 8 cross word puzzle page 9 circle input or outp. It only processes the information given by the input devices and sends the result to the output devices. Keyboard and mouse are the most commonly used input devices. The chapter has given an introduction to the inputoutput devices. Output devices are used to display the result or information on the computer. The audio output is the ability of the computer to output sound. Input output interface an overview sciencedirect topics. Microphone is an input device to input sound that is then stored in digital form. These inputoutput devices are also known as peripherals since they surround the cpu and memory of a computer system.
List of input devices, output devices and both input. Keyboard and mouse connectors the keyboard and mouse are connected to the computer by using ps2, serial ports or a usb port. Inputoutput devices are required for users to communicate with the computer. It also manages data flow between the computers operating system and attached devices such as the hard disk, video adapter, keyboard, mouse and printer. A number of input output devices are used with many types of microcomputers. Output devices act based on sensor and status device reactions. An input device is any hardware component that allows a user to enter data and instructions into a computer. 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. Mcqs on input and output devices gk objective question answer exam question answer for the competitive exam of govt jobs. Output devices an output device is any hardware component that conveys information to one or more people. The various input signal conditioning devices used in mechatronic system are discrete circuits, amplifiers, analogtodigital ad convertors, digitaltodigital dzd. The keyboard is the most common and widely used input device.
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