Which of the following is an effect of a Schmidt trigger?
(a) it turns slowly varying inputs, which might cause problems while they pass slowly through the undefined range of input voltages, into abrupt, clean logical transitions
(b) It eliminates the effect of noise on the input, provided that it is not large enough to span the gap between the upward and downward thresholds
(c) none of the mentioned
(d) all of the mentioned
The question was asked during an interview.
Enquiry is from Digital Inputs, Outputs and Delays in section MSP430 Microcontroller of Microcontroller