19. QWERTY is used with reference to A. Monitor B. Printer C. Keyboard D. Mouse E. None of these
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.
