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Digital Electronics

Digital Electronics
The switch which clears a flip-flop is know as

 Clear
 Both A and B
 None
 Reset

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Digital Electronics
A multiplexer is a combinational logic circuit used to perform the operation

 XOR-NAND
 AND-AND
 NOR-OR
 AND-OR

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Digital Electronics
An any or all gate is the other name of

 AND gate
 X-OR gate
 OR gate
 X-NOR gate

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Digital Electronics
(11011) 2 in BCD 8421 code is

 11011001
 01101100
 00100111
 00011011

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Digital Electronics
What is the 2’s complement of 10110000?

 10001110
 10110000
 01001111
 01010000

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Digital Electronics
The Quine– McClusky method of minimization of a logic expression is a (i) graphical method (ii) algebraic method (iii) tabular method (iv) a computer-oriented algorithm The correct answers are

 (i) and (ii)
 (i) and (iii)
 (ii) and (iv)
 (iii) and (iv)

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