19. QWERTY is used with reference to A.Monitor B.Printer C.Keyboard D.Mouse E.None of these
Option C Solution: QWERTY is a keyboard design for Latin-script alphabets. The name comes from the order of the first six keys on the top left letter row of the keyboard (Q W E R T Y). The QWERTY design is based on a layout created for the Sholes and Glidden typewriter and sold to Remington in 1873.
