Input devices of a computer are simply those used to bring information into the computer. S t u d e n t p r o j e other than generalpurpose computer input and output devices, such as the keyboard, mouse and monitor, special input and output devices are invented to accommodate the specific needs of computer users. Input is usually given by clicking the mouse or typing on the keyboard. 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. Pdf files or images captured by scanner into editable. An input device is used to feed data into a computer. In simple terms, input devices bring information into the computer and output devices bring information out of a computer system. An output device displays, prints and presents the results of a computer s work. A printer is an output device that produces a printout or hard copy of the output from a computer. Input and output devices of computer computer notes. It forms images from tiny dots, called pixels that are arranged in a rectangular form. Five widely used input devices are the keyboard, mouse, microphone, scanner, and web cam shown in figure 1. You can use input devices to enter information and issue commands. Input devices input is any data or instructions entered into the memory of a computer.
An input device by definition is a piece of hardware that enables data to flow into a computer. Output devices provide data in myriad different forms, some of which include audio, visual, and hard copy media. The speed of printers can be measured in characters per second cps or pages per minute ppm, the higher the values are, the faster the printer can produce output. A computer is an electronic device that works under instructions given by the user to accept, process and output information as required. Devices that allow your computer to communicate with you. Input, used to interact with, or send data to the computer mouse, keyboards, etc. Peripherals are electromechanical and electromagnetic devices of some complexity.
Examples of output devices of a computer techwalla. Ingamule siraji 1 a computer is an electronic device that works under instructions given by the user to accept, process and output information as required. Mcq input and output device of computer with answers pdf. Choose a special input or output device to research. A piece of equipmenthardware which gives out the result of the entered input, once it is processed i. The monitor displays the video and graphics information generated by the computer through the video card. 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. It is possible to transfer data between input and output devices and the cpu of a real computer in a similar manner. Unlike input devices like keyboards and mice that let you send data to your computer, you use output devices to receive information back from your computer in a way you can read, see or hear. The data or instructions given to a program are called input.
They can include input devices such as keyboards, touchscreens and mice that let people enter information directly. In the real computer, the in basket and out basket are commonly replaced by a bus interface that allows a direct transfer between a registerwithinthecpu andaregister withinanio modulethat controlsthe particular device. Basic computer hardware based notes in pdf free download. These have high resolution input output io graphics capability, but with same dimensions as that of desktop computer. Types of output devices a display device is an output device that visually conveys texts, graphics and video information. A computer collects, processes, stores, and outputs information.
Since the whole device is not moved, a track ball requires less space than a mouse. Input devices source data automation capturing and editing data where the data is originally created and in a form that can be directly input to a computer. Feb 15, 2012 input and output devices free worksheet and lesson. Input devices are hardware devices that allow data to be entered into a computer. 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. Students will match pictures of computer devices with their name. Following are few of the important input devices which are used in a computer.
If it is not available select the powerpoint version activity sheet. So dear reader i have provided top expected gk questions from input and output device of computer. Depending on your particular program and requirements, the input device you use may vary. Io devices are the pieces of hardware used by a human to communicate with a computer. Computer input and output devices list of input devices byjus. Digital cameras, touch screens and projectors are examples of these devices. Input and output devices bangladesh open university. Input devices are part of the four main hardware components of a computer system. Output devices of computer notes pdf download technical cube. Monitors and printers are two of the most commonly. If we want to write a huge number of data into a file then we can achieve it using python file output metho. Most of the keyboards have between 80 and 110 keys including 1 typing keys qwerty 2 numeric keypad 3 function keys 4 control keys. Computer input and output devices online education and.
A track ball comes in various shapes like a ball, a button and a square. A computer file is a computer resource for recording data discretely in a computer storage device. An input device enters data or instructions into a computer. A computer has two types of devices which help the user to enter data into the computer and allows the computer to display result of the processed data as required by the user. Petrol is an output device for a vehicle running on the road. The input and output devices venn diagram graphic organizer is a great way for students to compare,contrast and sort these types of digital devices.
The data given into a program by using some input devices. What is the difference between an input and output device. Among the most common peripherals are keyboards, display units, and printers. Inputs are the signals or data received by the system and outputs are the signals or data sent from it. Advertisement explore the interactivity between keyboards and mice and your machine. Monitors graphic plotter printer monitors monitors, commonly called as visual display unit vdu, are the main output device of a computer. Mouse and keyboard gamepad and joystick digital camera and digital video camera biometric authentication device touch screen digitizer scanner mice and keyboards the mouse and keyboard are the two most commonly used input devices. Mouse and keyboard gamepad and joystick digital camera and digital video camera biometric authentication device touch screen digitizer scanner mice and keyboards the mouse and keyboard are the two most commonly used.
Input and output devices are required to communicate with the computer. The keyboard is used to enter text commands that control the computer. Output devices an output device is a hardware used to get the output from the computer. Most devices of computers are only input devices or can be output devices, as they can only accept data input from a user or output results displayed by a computer particularly. Output devices allow us to receive information from the computer. Using an input device we can give instructions to the computer to perform an action and the device reverts back to our action through an output device. An output device is an electromechanical device which accepts data from a computer and translates them into a human acceptable form. Self access learning module ict llliteracy for i seccondary. Input and output devices introduction the unit 4 presents the information of input and output devices.
In computing, inputoutput or io is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system. This type of keyboard is available with most mainframe computer terminals or. This means it can be viewed across multiple devices, regardless of the underlying operating system. Computer dictionary definition of what output device means, including related links, examples, information, and terms. Introduction to computers department of computer science. An input device is a piece of computer hardware equipment used to provide data and control signals to an information. The image below shows where input dev ices fit into a computer system. Learn about computer input on our computer input devices channel. We use input devices to tell the computer what to do.
Most of the keyboards have between 80 and 110 keys. Common input devices include keyboards, mice and touch screens, which you can use to type or move a cursor, and devices that capture audio and v. Students will learn about output computer devices and their functions. Computer input and output devices list pdf fstatic. A number of input output devices are used with many types of microcomputers. Is a touch screen an example of an input or an output device. Various types of input devices can be used with the computer depending upon the type of data you want to enter in the computer, e. Input devices are used to transferring user data, commands and power choice to the computer example. The computer uses an output device to show us something.
Some commonly used input output devices are listed in table below. Input device definitiona piece of equipmenthardware which help us enter data into a computer is called an input device. Processing computer is given the data and instruction as input, which is processed to create output in the form of information. These input output devices are also known as peripherals since they enclose the cpu and memory of a computer system. Following are few of the important output devices which are used in a computer. Using python inputoutput functions, we can get the input from the user during runtime or from external sources like text file etc. Output devices if the smartboard notebook software is available select the smartboard lesson. Karande ic hodif page 1 of 16 input and output devices input devices 1 keyboard. Input devices an input device lets you communicate with a computer. Examples of computer output devices include a display monitor, speakers, headphones, and a printer. Once youve installed a game, where do parts of it exist.
This is ideal for word processing and other volume data and program entry activities. Mcqs on input and output devices gk objective question answer exam question answer for competitive exam of govt jobs. Input and output devices free worksheet and lesson activity. A piece of equipmenthardware which helps us enter data into a computer is called an input device. 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 data to the. Devices input and output unit 4 input output devices. This is a ball which is half inserted and by moving fingers on ball, pointer can be moved. Input devices imaging and video input devices optical scanner an optical scanner is a hardware input device that allows a user to take an image or text and convert it into a digital file, allowing the computer to read or display the scanned object. Examples of output devices are printer,monitor, speakers. These devices are the peripheral equipment component of todays digital computer systems.
A computer peripheral is both an input and output device. There are different types of computer files, designed for different purposes. Clearly, for computer systems to be interesting, both input and output are required. Computer hardware and maintenance 17428 compiled by. An input device is any hardware component that allows a user to enter data and instructions into a computer. Input or output devices attached to the computer are also called peripherals. Output devices monitor the device which displays computer output.
In this article, we shall discuss the various input and output devices which can be. Complete input and output devices of computer, with examples. Now a day computer is one of the most important field for every examinations. Input and output devices of computer in hindi, computer input and output devices, computer question answers, computer mcq, all computer devices. Computer devices computer input and output devices 992019 designed by. In a graphical user interface, a pointer is a small symbol on the screen, whose location and shape change as a user moves a pointing device. Many of these are less complex versions of io devices that have been available for larger computer systems. An oversized pdf file can be hard to send through email and may not upload onto certain file managers.
Pdf computer input and output devices ingamule siraji. For example headphones are output device and used for listening sound in computer. Give three advantages of using a touch screen over other forms of input. However, some devices can accept input and display output at the same time, and they are known as io devices input output devices. Data is input into the computer by hand manual input. Output devices computer output devices receive information from the computer, and carry data that has been processed by the computer to the user.
Computer input devices explains the workings of different types of mice and keyboards. Perhaps those provide auxiliary storage for the systems are magnetic disks and tapes. Output generated by output device classified into two types. Processing the central processing unit cpu is the main chip in a computer. Devices input devices keyboard mouse scanner joystick microphone digital.
Functions of some of the important keys are defined below. Track ball is an input device that is mostly used in notebook or laptop computer, instead of a mouse. An output device is any peripheral that receives data from a computer, usually for display, projection, or physical repro. Computer devices peripheral a peripheral is a device that is used to put information into or get information out of the computer. Input and output devices of a computer system are the devices that connect you to computer.
Pdf is a hugely popular format for documents simply because it is independent of the hardware or application used to create that file. Computer input and output charles darwin university. Jan 05, 2017 the devices which are used to give data and instructions to the computer are called input devices. The functioning of a computer system is based on the combined usage of both input and output devices. Other common output devices include a projector, sound examples of computer output devices include a display monitor, speakers, headphones. Pointing devices a pointing devices is an input devices that allows a user to control a pointer on the screen. Pdf input output storages devices in computers researchgate. They are split into two categories manual input devices and direct input devices.
The mouse is used to navigate the graphical user interface gui. An input device is a piece of hardware that is used to enter data into a computer. Input and output devices are required for users to communicate with the computer. It is used to enter both numerical and character type data. Just as words can be written to paper, so can information be written to a computer file. Output, which provides output to the user from the computer monitors. The devices are usually used for display, projection, or for physical reproduction. Input and output devices of computer in hindi, computer input. Input devices an input device is any hardware component that allows you to enter data and instructions into a computer. An output device is hardware that is capable of delivering or showing information to one or more users.
They are used to move the insertion point, select objects, and click buttons. Luckily, there are lots of free and paid tools that can compress a pdf file in just a few easy steps. Let us first discuss the exact definition of an input and output device. A computer is an electronic device, operating under the control of instructions stored in its own memory that can accept data input, process the data according to specified rules, produce information output, and store the information for future use 1. Computer proficiency license cs001 virtual university of. A computer has several input device namely, keyboard, mouse, trackball, joystick, scanner, light pen, bar code reader, ocr, omr, micr etc. The following is a list of the most common input devices which are nowadays found in a computer system. The device used to accept the data and instructions from the user is called input device. Computer input and output device pdf in hindi, input and output devices in hindi pdf, what is input in hindi, input and output devices in hindi wikipedia, input and output devices pdf, input aur output device, input and output devices of computer in hindi ppt, input devices, input output system in hindi. It is in fact an input and output device, as input can be done via gestures and output can be displayed on the screen. Input devices let you to transfer data and user command into the. Monitors are very similar to televisions but usually display information at a much higher resolution.
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