14.......... is most commonly used in digital watches, clocks and calculators.
A. Cathode Ray Tube
B. Liquid Crystal Display
C. Plasma display
D. None
15......... is a device that enables us to produce a hard copy of data/information.
A. Printer
C. Daisy-wheel Printer
B. Dot-matrix Printer
D. None of the Above
1 answer
A. Printer
3 answers