MSI Logic Circuits Questions and Answers
Practice ModeShowing 10 of 38 questions
Q31
A demultiplexer takes an input and turns it into a binary number.
Answer: Option B
Q32
A device that determines which of two numbers is greater is a comparator.
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.
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
Answer: Option A
Q35
It is normal for more than one decoder output to be active at the same time.
Answer: Option B
Q36
Basically, a multiplexer changes parallel data inputs to a serial output.
Answer: Option A
Q37
Modern computers transfer data between different devices over a common set of connecting lines called a data bus.
Answer: Option A
Q38
The select inputs to a multiplexer may also be called address lines.
Answer: Option A