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Code Converters and Multiplexers MCQs

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Practice free Code Converters and Multiplexers multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 31 questions — no login required.

Question 19easy

What is the status of the inputs S0, S1, and S2 of the 74151 eight-line multiplexer in order for the output Y to be a copy of input I5?

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Question 20easy

One way to convert BCD to binary using the hardware approach is:

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Question 21easy

A microcontroller differs from a microprocessor in that it has several ________ ports and ________ built into its architecture, making it better suited for ________ applications.

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Question 22easy

For the following conditions on a 7485 magnitude comparator, what will be the state of each of the three outputs? A0 = 0 B0 = 1 IA < B = 0 A1 = 1 B1 = 0 IA = B = 1 A2 = 1 B2 = 0 IA > B = 0 A3 = 0 B3 = 0

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Question 23easy

When two or more inputs are active simultaneously, the process is called:

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Question 24easy

A binary code that progresses such that only one bit changes between two successive codes is:

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Question 25easy

Which of the following is not a weighted value positional numbering system:

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Question 26easy

How many inputs are required for a 1-of-16 decoder?