1. . A comparator is used to compare
(A) Two frequency levels
(B) Two current levels
(C) Two voltage levels
(D) Two power levels
2. . Comparator is also known as _________?
(A) Limiter
(B) Level detector
(C) Clipper
(D) Clamper
3. . Schmitt trigger is a fast speed _________ circuit.
(A) Rectifier
(B) Level detector
(C) Inverter
(D) Oscillator
4. . Schmitt trigger usually provides _________ type of output.
(A) Sinusoidal wave
(B) Square wave
(C) Triangular wave
(D) Pulse wave
5. . IC 7413 Schmitt trigger has _________ input.
(A) Four
(B) Three
(C) One
(D) Two
6. . In order to make the comparator less sensitive to noise, a technique incorporating _________ feedback, called hysteresis, is used.
(A) Positive
(B) Negative
(C) Regenerative
(D) Both (a) and (c)
7. . Schmitt trigger is also known as _________?
(A) Oscillator
(B) Both (a) and (b)
(C) Vibrator
(D) Binary
8. . Schmitt trigger has _________ output states.
(A) Four
(B) Three
(C) Two
(D) One
9. . Voltage comparator has _________ inputs.
(A) Four
(B) Two
(C) Three
(D) One