5) Which of the following logic gate gives high output with all its inputs low ?

6) If in a RS FF, R = S = 0 then its mode of operation is ?

7) The logic gate which has high output when its inputs are different (low-high or high-low) is ?

8) In JK FF, the condition J = K = 1 represents ?

9) In a digital clock, constant frequency pulse is generated by ?