When decimal numbers with several digits are to be added together using BCD adders ________.
Options
A. a separated BCD adder is required for each digit position
B. the BCD adders must have the carry-outs grounded
C. the BCD's must be grouped in twos
D. full adders are also used
Correct Answer
a separated BCD adder is required for each digit position
More questions
1. A retriggerable one-shot has a pulse width of 10 ms; 3 ms after being triggered, another trigger pulse is applied. The resulting output pulse will be ________ mS.