Aeratz 2011 Circuit Debugging Model Questions Round1

One facilitate:application of a digital multiplexer is to
a) data generation b)serial-to-parallel conversion
c)parity checking d)data selector
Ans:d
Desoffset error for a DACcribe
a)missing codes
b)error in the slope of the output staircase waveform
c)more or less input voltage is required for the first step than what is specified
Ans:C

Which of the following logic families has the hortest prsopagation delay?
a)CMOS
b)BiCMOS
c)ECL
d)74SXX
Ans:C
The ________ circuit overcomes the problem of switching caused by jitter on the inputs.
a)astable multivibrator
b)monostable multivibrator
c)bistable multivibrator
d)Schmitt trigger
Ans:d
What is the function of the comparators in the 555 timer circuit?
a)to compare the output voltages to the internal voltage divider
b)to compare the input voltages to the internal voltage divider
c)to compare the output voltages to the external voltage divider
d)to compare the input voltages to the external voltage divider
Ans:b
One eV is equal ________ J.to
Back-Back varactor diodes are back used for what r-varactor eason?
Which transistor bias circuit provides good Q-point stability with a single-polarity supply voltage?