1. . Clock is a circuit which provides:
(A) current
(B) Periodic signal
(C) voltage
(D) All of these
2. . A clock pulse has a specific:
(A) Amplitude
(B) Frequency
(C) Duty cycle
(D) All of these
3. . A multivibrator has no stable state is called:
(A) Monostable
(B) Astable
(C) Bistable
(D) None of these
4. . A multivibrator has one stable state is called:
(A) Astable
(B) None of these
(C) Bistable
(D) Monostable
5. . A multivibrator has two stable state is called:
(A) Astable
(B) Monostable
(C) None of these
(D) Bistable
6. . Monostable multivibrator is also called:
(A) None of these
(B) 2 shot
(C) 3 shot
(D) 1 shot
7. . Pin no of 555 timer for Reset is:
(A) 1
(B) 2
(C) 4
(D) 3
8. . Pin no of 555 timer for Ground is:
(A) 1
(B) 2
(C) 3
(D) 4
9. . Pin no of 555 timer for output is:
(A) 1
(B) 2
(C) 3
(D) 4