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The Boolean expression () is to be realized using only two -input gates. Which are these gates?
(a)AND and OR
(b)NAND and OR
(c)AND and XOR
(d)OR and XOR
(e)None of these

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Important Questions on Digital Electronics
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A master slave configuration consists of two identical flipflops connected in such a way that the output of the master is input to the slave. Which one of the following is correct?

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Which one of the following statements is not correct ?
Conversion of EXCESS- code to BCD can be achieved by using

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The minimized form of the logical expression is

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Consider the following:
Any combinational circuit can be built using
1. NAND gates
2. NOR gates
3. EX-OR gates
4. Multiplexers
Which of these are correct?

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A synchronous sequential circuit is designed to detect a bit sequence (overlapping sequence include). Everytime this sequence is detected, the circuit produces an output of ''. What is the minimum number of states the circuit must have?

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It is required to construct a to multiplexer by using - to - multiplexers only. How many of - to - multiplexers are needed?

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The boolean expression is logically equivalent to

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Race around condition always arise in a _____.
