COA

Input Devices | Unit 1 | Class 11

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Input devices are hardware components that allow users to provide data, commands, or instructions to a computer or electronic device. These devices enable communication between humans and computers by converting physical actions or data into a format that the computer can understand and process

Input devices come in various forms, each designed for specific types of data input. Common examples include:

  1. Keyboard: A keyboard is a primary input device that allows users to enter text, numbers, and commands by pressing keys. It is essential for tasks like typing documents and text-based communication.
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  2. Mouse: The mouse is a pointing device that translates hand movements into on-screen cursor control. It is used for selecting, clicking, and dragging items on the computer screen.
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  3. Touchscreen: Touchscreens are interactive displays that respond to touch gestures, allowing users to directly interact with the screen. They are commonly found on smartphones, tablets, and some laptops
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  4. Scanner: Scanners convert physical documents, images, or objects into digital formats, making it possible to store, edit, or share them electronically.
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  5. Microphone: A microphone captures audio input, such as voice commands or recordings, and converts it into a digital format that can be processed by the computer.
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  6. Trackball: A trackball is an input device used to enter motion data into computers or other electronic devices. It serves the same purpose as a mouse but is designed with a moveable ball on the top, which can be rolled in any direction.
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  7. Joystick: Joysticks are used for gaming and controlling objects in simulations. They provide precise control over movement in two or three dimensions.
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  8. Barcode Reader: Barcode readers scan barcodes on products, documents, or inventory to retrieve information quickly and accurately.
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  9. Digital Pen/Stylus: Digital pens or styluses are used with touchscreens or graphics tablets for drawing, handwriting recognition, and digital art creation.
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Safal poudel
WRITTEN BY

Safal poudel

Tech-enthusiast || UX Designer

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