You can print a sheet of paper on both sides manually or automatically using duplex printing.
Cloud printers are Internet-connected printers that offer printing services to other online users. Character and mark recognition technologies include OMR, OCR, and MICR.
Digital or interactive whiteboards are specialised tools with a sizable display linked to a computer projector that are frequently used in schools and executive offices.
The upper left of keys on a keyboard's QWERTY form uses the initials from the first six alphabetic characters to represent the layout of the keyboard.
Mics are the most used audio input devices. Speakers and headsets are the most popular external sound gadgets.
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