When data input I6 of a 74148 octal-to-binary encoder is active, the data output is ________.
The BCD/DEC decoder shown in figure (a) is examined with a logic analyzer and the results are shown in the waveforms in figure (b). What, if anything, is wrong with the circuit?
-
The "2" output is shorted to Vcc. -
The A1 input is internally open. -
The A1 input node is internally stuck LOW. -
Nothing is wrong with the circuit.
A demultiplexer takes an input and turns it into a binary number.
-
True -
False
It is normal for more than one decoder output to be active at the same time.
-
True -
False
In order to select data input I5 of a 74151 eight-line multiplexer, the select inputs must be ________.
The diagram given below shows a ________ being used as a(n) ________ and Y = ________.
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multiplier, divider, 2.25 -
multiplexer, encoder, 7641 -
multiplexer, logic function generator, ABC + ABC + ABC + ABC -
logic function generator, multiplexer, 1467
The BCD/DEC decoder shown in figure (a) is examined with a logic analyzer and the results are shown in the waveforms in figure (b). What, if anything, is wrong with the circuit?
-
The "2" output is shorted to Vcc. -
The A1 input is internally open. -
The A1 input node is internally stuck LOW. -
Nothing is wrong with the circuit.
The BCD/DEC decoder shown in figure (a) is examined with a logic analyzer and the results are shown in the waveforms in figure (b). What, if anything, is wrong with the circuit?
-
The "2" output is shorted to Vcc. -
The A1 input is internally open. -
The A1 input node is internally stuck LOW. -
Nothing is wrong with the circuit.
A demultiplexer takes an input and turns it into a binary number.
-
True -
False
The device that generates a coded output from a single active numeric input line is ________.
-
a decoder -
a multiplexer -
a comparator -
an encoder