Q. A 4 : 1 multiplexer requires __________ data select line.

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Q. The number of unused states in a 4 bit Johnson counter is

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Q. It is desired to display the digit 7 using a seven segment display. The LEDs to be turned on are

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Q. For a MOD-12 counter, the FF has a tpd = 60 ns The NAND gate has a tpd of 25 n sec. The clock frequency is

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Q. 100101₂ is equal to decimal number

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Q. A₁₆ X 2₁₆ __________ .

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Q. For the binary number 11101000, the equivalent hexadecimal number is

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Q. AECF1₁₆ + 15ACD₁₆ = __________ .

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Q. A XOR gate has inputs A and B and output Y. Then the output equation is

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Q. Wired AND connection can be used in TTL with totem pole output.

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Q. The dual of A + [B + (AC)] + D is

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Q. A divide by 78 counter can be obtained by

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Q. The initial state of MOD-16 down counter is 0110. What state will it be after 37 clock pulses?

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Q. The number of address lines in EPROM 4096 x 8 is

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Q. If the inputs to a 3 bit binary adder are 111₂ and 111₂, the output will be 110₂

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Q. Which of these are universal gates?

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Q. Out of latch and flip flop, which has clock input?

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Q. A mod 4 counter will count

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Q. Which of the following finds application in pocket calculators?

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Q. Binary number 11001 is equivalent to decimal number

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