Input devices

 Input devices are hardware components that enable users to interact with computers and input data or commands. These devices facilitate the transfer of information from the external environment to the computer system. Here are some common input devices:

1. Keyboard:

   • Description:
     • A set of keys or buttons that allow users to input alphanumeric characters, numbers, and special symbols.
     • Commonly used for typing text, entering commands, and navigating through applications.

2. Mouse:

   • Description:
     • A pointing device with buttons and a scrolling wheel.
     • Enables users to move a cursor on the screen, select items, and interact with graphical user interfaces.

3. Touchscreen:

   • Description:
     • A display screen with touch-sensitive capabilities.
     • Users can interact directly with the screen by tapping, swiping, or pinching to perform various actions.

4. Trackpad:

   • Description:
     • A touch-sensitive surface on laptops and some desktops.
     • Functions similarly to a mouse, allowing users to move the cursor and perform various gestures.

5. Stylus/Pen:

   • Description:
     • A pen-like device used for drawing, writing, or interacting with touchscreen devices.
     • Commonly used in graphic design, digital art, and tablet devices.

6. Graphics Tablet:

   • Description:
     • A flat surface with a stylus or pen for drawing and graphic design.
     • Often used by artists and designers for more precise input than a mouse.

7. Scanner:

   • Description:
     • Converts physical documents, images, or objects into digital formats.
     • Commonly used for document digitization and image processing.

8. Webcam:

   • Description:
     • A camera that captures video and images.
     • Used for video conferencing, live streaming, and capturing images or videos for various applications.

9. Microphone:

   • Description:
     • Converts sound waves into electrical signals.
     • Used for voice input, communication, and audio recording.

10. Joystick:

    • Description:
      • A lever or stick that users can move in various directions.
      • Often used in gaming and flight simulation for controlling movement and direction.

11. Game Controller:

    • Description:
      • Input devices designed specifically for gaming.
      • Include features such as buttons, triggers, and joysticks for controlling characters and actions in games.

12. Biometric Input Devices:

    • Description:
      • Devices that use biological or behavioral characteristics for user identification.
      • Examples include fingerprint scanners, facial recognition systems, and iris scanners.