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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Q. Which of the following are included in the architecture of computer?

1. Addressing mode, design of CPU
2. Instruction set, data format
3. Secondary memory, operating system

Select the correct answer using the codes given below:

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