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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Q. Assertion (A): Tristate logic is used for bus oriented systems

Reason (R): The outputs of a tristate logic are 0, 1 and indeterminant.

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Q. The value of 2⁵ in octal system is

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Q. Assertion (A): ECL gate has very high speed of operation.

Reason (R): Transistors in ECL do not go into saturation region.

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Q. A half adder adds

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Q. The no. of comparators required in a 3 bit comparator type ADC is

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