A 4-bit binary up counter has an input clock frequency of 20 kHz. The frequency of the most significant bit is ________.
Options
A. 1.25 kHz
B. 2.50 kHz
C. 160 kHz
D. 320 kHz
Correct Answer
1.25 kHz
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.