Q. The minimum number of comparators required to build an 8 bit flash ADC is

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Q. For a Mod-64 synchronous counter the number of flip flops and AND gates needed is

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Q. A 4 bit DAC gives an output of 4.5 V for input of 1001. If input is 0110, the output is

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Q. Boolean expression for the output of XNOR (Equivalent) logic gate with inputs A and B is

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Q. An SR flip flop can be built using NOR gates or NAND gates.

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Q. A 14 pin NOT gate 1C has __________ NOT gates.

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Q. F's complement of (2BFD)hex is

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Q. A 4 bit ripple counter uses flip flops with propagation delay of 50 ns each. The maximum clock frequency which can be used is

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Q. An AND gate has two inputs A and B and one inhibit input S. Out of total 8 input states, output is 1 in

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Q. 268₁₀ = __________ .

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Q. In a JK Master slave flip flop

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Q. A pulse train with a 1 MHz frequency is counted using a 1024 modulus ripple counter using JK flip flops. The maximum propagation delay for each flip-flop should be

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Q. What will be maximum input that can be converted for a 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).

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Q. If number of information bits is 11, the number of parity bits in Hamming code is

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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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