How is an encoder different from a decoder? The output of an encoder is a binary

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Question
How is an encoder different from a decoder?
Options
A. The output of an encoder is a binary code for 1-of-N input.
B. The output of a decoder is a binary code for 1-of-N input.

Correct Answer

The output of an encoder is a binary code for 1-of-N input.

Code Converters and Multiplexers problems

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3. For a multistage counter to be truly synchronous, the ________ of each stage must be connected to ________.
Options
A. C_p, the same clock input line
B. CE, the same clock input line
C. , the terminal count output
D. , both clock input lines

4. Which segments (by letter) of a seven-segment display need to be active in order to display a digit 6?
Options
A. b, c, d, e, f, and g
B. a, c, d, e, f, and g
C. a, b, c, d, and f
D. b, c, d, e, and f

5. The circuit given below has no output on Q₁when examined with an oscilloscope. All J-K inputs are HIGH, the CLK signal is present, and the Q₀ is toggling. The C input of FF₁ is a constant LOW. What could be causing the problem?
Options
A. The Q₀ output should be connected to the J input of FF₁.
B. The output of FF₀ may be shorted to ground.
C. The input of FF₁ may be shorted to ground.
D. Either the output of FF₀ or the input of FF₁ may be shorted to ground.

7. What do the mathematical symbols A < b and A > B mean?
Options
A. A < B means A is greater than B. A > B means A is less than B.
B. A > B means A is less than B. A < B means A is greater than B.
C. A < B means A is less than B. A > B means A is greater than B.

8. 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?
Options
A. S₀ = 0, S₁ = 1, S₂ = 0
B. S₀ = 0, S₁ = 0, S₂ = 1
C. S₀ = 1, S₁ = 1, S₂ = 0
D. S₀ = 1, S₁ = 0, S₂ = 1

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