Digital Electronics

Exercise: Digital Electronics

For the design of a sequential circuit having 9 states, minimum number of memory elements required is

Answer: B

2³ = 8 and 2⁴ = 16. Hence minimum of 4 memory elements.

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Assertion (A): The propagation delay in ECL is minimum

Reason (R): Transistors used in ECL switch between active and cutoff regions.

Both A and R are correct and R is correct explanation of A

Both A and R are correct but R is not correct explanation of A

A is true, R is false

A is false, R is true

Answer: A

Since saturation is avoided switching speed is high.

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What is the normal range of analog input voltage?

0 to 1 V

0 to 5 V

5 to 15 V

15V to 30V

Answer: B

No answer description is available. Let's discuss.

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E7F6₁₆ = __________ .

600000₁₀

59382₁₀

9382₁₀

382₁₀

Answer: B

E7 F6 in hexadecimal = 14 x 16³ + 7 x 16² + 15 x 16 + 6 = 59382 in decimal.

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In the decimal number 27, the digital 2 represents

0.2

200

Answer: B

2 x 10 = 20.

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