MSI Logic Circuits Questions and Answers

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Showing 10 of 38 questions
Q31
A demultiplexer takes an input and turns it into a binary number.
  • A TRUE
  • B FALSE
Answer: Option B
Q32
A device that determines which of two numbers is greater is a comparator.
  • A TRUE
  • B FALSE
Answer: Option A
Q33
When outputs a, b, c, d, and g of a 7447 BCD-to-seven-segment code converter are active, the number displayed is 5.
  • A TRUE
  • B FALSE
Answer: Option B
Q34
When data input I4 of a 74148 octal-to-binary encoder is active, the data output is: A0 = 1 A1 = 1 A2 = 0
  • A TRUE
  • B FALSE
Answer: Option A
Q35
It is normal for more than one decoder output to be active at the same time.
  • A TRUE
  • B FALSE
Answer: Option B
Q36
Basically, a multiplexer changes parallel data inputs to a serial output.
  • A TRUE
  • B FALSE
Answer: Option A
Q37
Modern computers transfer data between different devices over a common set of connecting lines called a data bus.
  • A TRUE
  • B FALSE
Answer: Option A
Q38
The select inputs to a multiplexer may also be called address lines.
  • A TRUE
  • B FALSE
Answer: Option A
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