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                   The difference is that a flatbed scanner scans one page at a time on a glass surface, while
                   a sheet-fed scanner can automatically handle and scan a stack of papers.


                     Webcam:  A  webcam  is a  digital  video  camera  connected  to  a
                     computer, allowing you to transmit your image over the Internet.

                     Smaller than traditional cameras, webcams are typically attached to
                     the computer monitor or built into the device. They are widely used
                     for video conferencing, online streaming, and virtual meetings.



                                              Graphic Tablet:  A  graphic  tablet  allows  you  to  draw  directly  on  a
                                             computer screen using a stylus, which resembles a pen. The device
                                             features a flat surface where you can create drawings and designs,
                                             making it ideal for digital art and graphic design.




                     Joystick: A joystick is a pointing device used to control the movement of
                     a pointer on a computer screen, primarily for playing games.





                                      Microphone: A microphone is an input device that captures voice, music, and
                                      sound, converting them into digital signals for processing by the computer. It is
                                      commonly used in communication, music recording, and speech recognition.




                     Touchscreen: A touchscreen is a display that is sensitive to touch,
                     allowing interaction with a computer by touching the screen. It is

                     commonly found on tablets, smartphones, and ATMs.
                  Output Devices


                  Output devices are used to display the results of computations and information to the user. Here
                  are some common output devices:
                                              Monitor: The monitor, also known as the Visual Display Unit (VDU). It is
                                              one of the most familiar output devices. It displays images composed
                                              of tiny dots called  pixels. The clarity of these images  depends on
                                              the number of dots per  inch (dpi);  a higher  dpi provides sharper
                                              and clearer images. Modern monitors, particularly those with Light
                                              Emitting Diode (LED) screens, are popular for their excellent image
                                              quality and slim design.






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