Q. The idempotent law in Boolean algebra says that:

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Q. Simplified form of Boolean expression xy+(~x)z+yz is:

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Q. In order to build a MOD-18 counter, the minimum number of flip flops needed is equal to:

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Q. 2’s complement of -100 is:

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Q. Which of the following expression remove hazard form: xy+zx’ ?

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Q. How many 1’s are present in the binary representation of 15x256+5x16+3:

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Q. If A⊕B=C, then:

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Q. What is the maximum counting speed of a 4-bit binary counter which is composed of Flip-Flop with a propagation delay of 25ns?

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Q. The hexadecimal equivalent of (10111)2 × (1110)2 is:

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Q. An example of a self complementing code is:

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Q. A sum of products expression can be implemented with...............logic gates.

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Q. The number of 1’s present in the binary representation of (3x512 + 7x64 + 5x8 + 3)10 is:

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Q. Which of the following expression removes static hazard from a two level AND-OR gate implementation of xy + zx’ ?

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Q. In a weighted code with weight 6, 4, 2 ,-3 the decimal 5 is represented by:

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Q. Upto how many variables, can the Karnaugh map be used ?

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Q. Which of the following is divisible by 4?

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Q. (101011)2 = (53)b, then b is equal to:

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Q. The logic expression x’yz’ + x’yz + xyz’ + xyz reduces to:

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Q. Which of the following binary number is the same as its 2’s complement:

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Q. A V A = A is called:

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