56. In a ladder-network conversion, ________ ladder stages provide ________ voltage resolution.
(a) more, greater
(b) more, smaller
(c) fewer, greater
(d) None of the above
57. In the operation of two 311 voltage comparators as the voltage window detector, a low output indicates that the input is ________.
(a) above the higher reference voltage
(b) below the lower reference voltage
(c) either above the higher reference voltage or below the lower reference voltage
(d) within the high and the low reference voltages
58. Nota
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