Counters

Q1: A 4-bit binary up counter has an input clock frequency of 20 kHz. The frequency of the most significant bit is ________.

A 1.25 kHz

B 2.50 kHz

C 160 kHz

D 320 kHz

ANS:A - 1.25 kHz

As it is a 4 bit up counter, requires 4 Flip Flops.

Each Flip Flop divides the input frequency by 2. ie. f/2, f/4, f/8, f/16.
So Output frequency = input frequency/16,
Output frequency = 20 KHz/16,
Output frequency = 1.25 KHz.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.