What happens to the transition in a positive edgetriggered c

What happens to the transition in a positive edge-triggered counter circuit?

The transition happens

a. with low level of the clock.

b. with rising edge of the clock.

c. with the high level of the clock.

d. with the trailing edge of the clock.

Solution

B.with rising edge of the clock for positive edge triggered circuit,the output changes according to input.I.e.transition occurs