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Digital Electronics

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

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

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Digital Electronics
Assuming 8 bits for data, 1 bit for parity, I start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit is.

120 CPS
12 CPS
None of these
10 CPS

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Digital Electronics
A three-state buffer has the following output states

 1, 0, float
 Both A and B
 Set, Reset, Halt
 High, Low, Float

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -6, -6 and -6 respectively
 25, 9 and 57 respectively
 -7, -7 and -7 respectively
 -25, -9 and -57 respectively

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Digital Electronics
The NOR-NOR realization is equivalent to

 NOT-AND realization
 AND-OR realization
 OR-NOT realization
 OR-AND realization

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Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 both are same
 2.
 none
 1.

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