Exercise: Msi Logic Circuits

Questions for: Msi Logic Circuits

Modern computers transfer data between different devices over a common set of connecting lines called a data bus.
A:
True
B:
False
C:
D:
Answer: A
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The 74139 dual four-line demultiplexer functions as a demultiplexer if data input is on the line.
A:
True
B:
False
C:
D:
Answer: A
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Basically, a multiplexer changes parallel data inputs to a serial output.
A:
True
B:
False
C:
D:
Answer: A
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When data input I5 of a 74148 octal-to-binary encoder is active, the data output is:
A0 = 1
A1 = 0
A2 = 0
A:
True
B:
False
C:
D:
Answer: B
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It is normal for more than one decoder output to be active at the same time.
A:
True
B:
False
C:
D:
Answer: B
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