Some commonly used inputoutput devices are listed in table below. In computing, an hyg input device is a piece of faiza computer hardware equipment used to provide data and control signals to an information processing system such as a computer or information appliance. 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. In addition, some special function computers you use will not have a mouse and will only allow you to communicate with the computer through its keyboard.
Input devices input is any data or instructions entered into the memory of a computer. Internal bay is concealed entirely within the system unit. Keyboards can have different keys depending on the manufacturer. Input is usually given by clicking the mouse or typing on the keyboard. The keyboard looks very similar to the keyboards of electric typewriters, with some additional keys. Scanner is an input device used for direct data entry from the source document into the computer system.
Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. Check out the list below, separated input output devices. Pdf computer input and output devices ingamule siraji. It forms images from tiny dots, called pixels that are arranged in a rectangular form. This tutorial explains the functions of the most common and the essential networking devices such as hub, switch, router, bridge, modem, nic, proxy and gateway in detail with examples. Analog signals are continuous and can have any number of statesnot just two, as with discrete digital signals. Input devices data glovepolhemus a modern attempt to provide the user with more degrees of freedom common in virtual reality applications polyhemus can provide six degrees of freedom rotation and translation head mounted display although primary a display device, it can also track position and orientation like polhemus space ball. 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 the following image, you can see a keyboard with a relatively standard 104 button layout. A touchpad most commonly found on computer laptops computer brand doesnt matter. 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 inputoutput operations of the system. Processing the central processing unit cpu is the main chip in a computer. List of input devices, output devices and both input.
Input devices data glovepolhemus a modern attempt to provide the user with more degrees of freedom common in virtual reality applications polyhemus can provide six degrees of freedom rotation and translation head mounted display although primary a display device, it can also track position and orientation like polhemus space ball six degrees of freedom sphere. Flatbed scanners are the most commonly used type of scanners. Most devices are only input devices or output devices, as they can. Chapter 4 input and output oakton community college. An input device is a piece of hardware that is used to enter data into a computer. Pdf input output storages devices in computers researchgate. The system unit a chip is a small piece of semiconducting material, usually silicon, on which integrated circuits are etched. Microphone is an input device to input sound that is then stored in digital form. This is to help you have a basic idea about input and output devices. This is unlike input devices that lets you send data out of the system. Q1 draw and colour 4 input devices and 4 output device and 4 storage device on a4 size sheet and write their uses. Examples of input devices include keyboards, mouse, scanners, digital cameras, joysticks, and microphones input devices can be categorized based on.
Assignment of input and output devices linkedin slideshare. It can be used with other components to make an amplifier or switching. Explain what digital cameras are and how they are used today. Keyboards allow a computer user to input letters, numbers, and other symbols into a computer. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Input devices keyboard one of the primary input devices used with a computer. Monitor led, lcd, crt etc printers all types lcd projection panels. The best and most expensive of these is the fullstroke keyboard. They utilized three tubes, one for each of the primary colors. Light pen track ball graphic tablet magnetic ink card readermicr.
Input devices are simply the components that a person uses get data into a computer. Data and instructions are given to the computer to perform a specific task that is called input. Speaker act output device and microphone act as input. Five widely used input devices are the keyboard, mouse, microphone,scanner, and web cam. A computer keyboard includes a set of alphabets az, numbers 09, symbols and function keys. Hereby, providing you input output devices list related to computers and their brief description. The keyboard the computer keyboard offers a range of special functions that are important to master in order to use a computer best as a tool for information literacy. This is the unprocessed form of data because it does not specify something clearly.
There are several methods to input data and generically, they are keyboards, mice, audio and video. Once it is configured, all communication goes through it. Most chips are not much bigger than one half inch square. Input devices a keyboard it is a text base input device that allows the user to input alphabets, numbers and other characters. An input device is any hardware component that allows you to enter data and instructions into a computer. 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. You can use input devices to enter information and issue commands.
So dear reader i have provided top expected gk questions from input and output device of computer. This quiz will test students knowledge of basic input and output devices. Drivers input devices drivers hp mini 2102080nr notebook synaptics touchpad driver 15. Sort which are the input and output devices of the computer and write their names 6. Output devices of computer receive data from the system which it shows to you. Input and output devices input devices allow us to send information to the computer. Input and output devices school of information technology. 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. Input devices an input device lets you communicate with a computer. A hammer presses the wheel against a ribbon, which in turn makes an ink stain in the shape of the character on the paper. External bay allows user to access opening in the bay from outside the system unit. The input device converts the data into the computers own internal.
A touchpad or trackpad is a kind of input device that has a limited area wherein you can point, scroll, click and swipe. Input devices only allow for input of data to a computer and output devices only receive the output of data from another device. Component circuit symbol function of component transistor npn a transistor amplifies current. Few of them comes under input devices and some of them comes under output devices. This section provides rules for keyboards, function keys, pointing devices, and some alternative input devices. The function keys or f1 through f12 keys are used in programs as shortcut keys. A user presses a key which transfers information to a computer. This data is given to the computer by using particular devices named computer input devices. Facsimile fax it has scanner to scan the document and also. Now a day computer is one of the most important field for every examinations. 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. 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 devices are types of peripheral devices that communicate with. Input output devices list with their functions pcguide4u.
Integrated circuit contains many microscopic pathways capable of carrying electrical current. Keyboards allow a computer user to input letters, numbers, and other symbols into a computer uses an arrangement of buttons or keys. You must be using a mouse, keyboard, touchpad, monitor, printers, speaker, scanners, etc. Input devices an input device is anything that is used to get data into the computer. Following are some of the important input devices which are used in a computer. Inputoutput devices constitute a major part of a computer system. Output devices projector cathode ray tube crt projector in the early days of projectors, crt projectors were commonly used.
Following are few of the important input devices which are used in a computer. Input devices are the way were able to get data into a computer. Due to their large size, low light output and the frequent need to converge and align the images projected from each of the three tubes, they are. 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 monitored control of equipment such as smoke dampers, alarm devices, and door magnets the input output. The following is a list of the most common input devices which are nowadays found in a computer system.
The function of an input device is to communicate information to a computer or other sort of information processing equipment. Aug 22, 2018 this quiz will test students knowledge of basic input and output devices. Output device can produce the final product of machine processing into a form usable by humans. Drive bay is a regular opening that typically holds disk drives. At the most basic level, a computer is a device consisting of three pieces. A microphone is an input device that allows a user to input audio into their computers. What is the difference between an input and output device. The layout of the keyboard is like that of traditional typewriter, although there are some additional keys provided for performing additional functions. The devices that are used to display the information of the results are known as output devices. Understanding barcodes this ebook gives an overview of product codes. It links against avr libc and allows the use of any of its functions. Input devices output devices keyboard mouse joystick scanner light pen touch screen monitor lcd printer plotter ii. While the devices whose main function is to give instructions and data to the computer are called input devices.
Next came the teletype, a device with a typewriterlike keyboard on which the user could. Describe the purposes of scanners and readers and list some types of scanners and readers in use today. Proxy is used to hide the internal network from external world. Structure in arduino, the standard program entry point main is defined in the core and calls into two functions in a sketch. Parts of a computer class iii, iv and v thinking of. Devices input and output unit 4 input output devices. Touchpad allows to use all the features as you do with a computer mouse trackpoint. Following are few of the important output devices which are used in a computer.
The picture shows a logitech trackball mouse, which is an example of an input device the most commonly used or primary input devices on a computer are the keyboard and mouse. 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. An input device is any hardware device that sends data to a computer, allowing you to interact with and control it. An input device is any hardware component that allows a user to enter data and instructions into a computer. Joysticks are often used to control video games, and usually have one or more pushbuttons whose state can also be read by the computer. A temperature transducer is an example of an analog input device. For example, you can use a keyboard to type text which will then be stored in the computer. You can use a mouse to highlight, select and click the instructions for what you want to happen go from the mouse, into the computer. Keyboard is the most common and very popular input device which helps to input data to the computer. Input devices pointing devices keyboard optical input devices audio input device video inpu device. List of input devices, output devices and both input output. The system unit focuses on processing, whereas a variety of peripheral devices facilitate input, output, storage, and communication. List several different pointing devices and describe their functions.
Computer hardware is organized according to these basic functions. A bay is an opening inside the system unit in which you can install additional equipment. It can be a dedicate device or can be an application software. Input devices a keyboard it is a text base input device that allows the user to. In the computer industry, the terms computer and cpu are often. A cpu is responsible for processing the instructions and the devices are responsible in outputting the processed information in different. Computer output devices are used to provide information for a user in different forms. Since external devices cannot access the internal devices directly, they cannot tamper with the internal devices. From which we input the raw data in the computer system for further processing. In this unit we shall discuss something about inputoutput devices and their functions. The devices which are used to input the data and the programs in the computer are known as input devices. Input and output devices bangladesh open university. In computing, an input device is a piece of computer hardware equipment used to provide data and control signals to an information processing system such as a computer or information appliance.
The size of a monitor is measured in inches diagonally across the screen. Basic computer operation tutorial input and output devices. 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. Input devices it is an electromechanical device that can be used to enter data and instructions to the computer. Without io devices, a user cannot communicate with the computer. Mcq input and output device of computer with answers pdf. 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. Use of computer input devices by older adults adolescent. A scanner is an input device that is used to convert a printed picture or document into a digital file which can be accessed on a computer for storage, sending or editing. Nov, 2018 an input device sends information to a computer system for processing, and an output device reproduces or displays the results of that processing. Job interview questions on basic computer technology and internet part2. Magnetic ink card readermicr micr input device is generally used in banks because of a large number of cheques to be processed every day. Computer networking devices explained with function. The microphone is used for various applications like adding sound to a multimedia presentation or for mixing music.
Five widely used input devices are the keyboard, mouse, microphone,scanner,and web cam. Pointing devices a pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to. The cpu processes instructions, performs calculations and manages. And output devices the main function of an input device is to the main function. Also, different devices vary in the level of cogni tive and physical demands placed on the user, with more demanding devices requiring coordination of visual. Types of computer systems computers are often identified by their size and power. 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. Today we are going to discuss these devices in detail. Download to transfer data from one computer to another. Understand the devices that can be used for audio input. Headsets headset consists of speakers and microphone. Here i am going to share you about list of basic input devices, output devices and both inputoutput devices. However, there are dozens of other devices that can also be used to input data into the computer.
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