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The time variations of signals are given...

The time variations of signals are given as in A,B and C. Point out the true statement from the following :-

A

A,B and C are analogue signals

B

A and C are analogue, but B is a digital signal

C

A and C are digital, but B is analogue signal

D

A,B and C are digital signal

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The correct Answer is:
B
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ALLEN-SEMICONDUCTORS-Part-3(Exercise-2)
  1. Given below are four logic gates symbols. NAND, NOR and OR are respect...

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  2. The output Y of the combination of logic gates shown is equal to

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  3. Which of the following relation is valid in Boolean algebra :-

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  4. The output of given logic circuit is

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  5. The following configuration of gate is equivalent to

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  6. To get an output 1 from the circuit shown in the figure, the input mus...

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  7. The circuit shown here is logically equivalent to :-

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  8. Which of the following will have an output of 1 :-

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  9. The logic symbols shown here are logically equivalent to :-

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  10. The combination of the gates shown in the figure produces

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  11. The combination of the gates shown will produce

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  12. Which of the following represents correctly the truth table of configu...

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  13. The truth table for the following combination of gates is :-

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  14. The combination of the gates shown represents :-

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  15. Which of the following relations is valid for Boolean algebra :-

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  16. In the following circuit, the output Y for all possible inputs A and B...

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  17. The real time variation of inputs are fed into NAND gate, then select ...

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  18. The time variations of signals are given as in A,B and C. Point out th...

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  19. The following figure shows a logic gate circuit with two inputs A and ...

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  20. Select the output Y of the combination of gates shown in figure for in...

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