Digital Electronics - MSI Logic Circuits

Exercise : MSI Logic Circuits - Filling the Blanks
26.
A(n) ________ has a number of input lines, only one of which is activated at a given time, and produces on N-bit output code, depending on which input is activated.
encoder
code converter
demultiplexer
decoder
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.

The device shown in below is a ________ and for the waveforms shown in the accompanying diagram, the ________ output at point X will be ________ and all others will be ________.

multiplexer, D4, HIGH, LOW
demultiplexer, D3, LOW, HIGH
demultiplexer, D3, HIGH, LOW
decoder, D12, LOW, LOW
Answer: Option
Explanation:
No answer description is available. Let's discuss.

28.
The normal outputs of a magnitude comparator are ________.
A < B, A = B, and A > B
Sum, difference, and carry
Cin, Cout, and Sum
A = B, A + B, and carry
Answer: Option
Explanation:
No answer description is available. Let's discuss.

29.
An eight-line multiplexer must have as inputs ________.
four data inputs and three select inputs
eight data inputs and two select inputs
eight data inputs and three select inputs
eight data inputs and four select inputs
Answer: Option
Explanation:
No answer description is available. Let's discuss.

30.
In order to select data input I5 of a 74151 eight-line multiplexer, the select inputs must be ________.
Answer: Option
Explanation:
No answer description is available. Let's discuss.