Q. The number of digit 1 present in the binary representation of 3 x 512 + 7 x 64 + 5 x 8 + 3 is

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Q. A full adder adds

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Q. For a Mod 64 parallel counter we need

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Q. If the inputs to a 2 input XOR gate are high then, the output is high.

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Q. The number of select lines in a 16 : 1 multiplexer are

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Q. 9's complement of 56₁₀ is

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Q. Which of the following characteristic are necessary for a sequential circuit?

1. It must have 6 gates
2. It must have feedback
3. Its output should depend on past value

Which of the above statements are correct?

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Q. 1011₂ x 101₂ = __________ ₁₀

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Q. A combination circuit is one in which the output depends on

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Q. 71₈ = __________ .

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Q. A parallel in-parallel out shift register can be used to introduce delay in digital circuits.

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Q. Binary multiplication can be done by repeated addition.

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Q. Assertion (A): In totem pole output the output impedance is low.

Reason (R): TTL gate with active pull up should not be used in wired AND connection.

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Q. The counter which require maximum number of FF for a given mod counter is

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Q. The content of which of the following determines the state of the CPU at the end of the execute cycle (when the interrupt is recognized)?

1. Program counter
2. Processor register
3. Certain status conditions

Select the correct answer using the codes given below :

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Q. In a gate output is Low if and only if all inputs are High. The gate is

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Q. With on-chip decoding, n address lines can access

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Q. A half adder can be used only for adding

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Q. In the 8421 BCD code, the decimal number 125, is written as

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Q. 110.11₂ x 110₂ = __________ ₁₀

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