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Digital Electronics

Digital Electronics
A bubbled NOR gate is equivalent to a

 X-OR gate
 NAND gate
 AND gate
 NOR gate

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 0. The gate is either

 an OR or an X-NOR
 an OR or an X-OR
 a NAND or an X-OR
 an AND or a NOR

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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

 2.
 none
 both are same
 1.

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Digital Electronics
The number 10000 would appear just immediately after

1111 (binary)
All of these
FFFF (hex)
7777 (octal)

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Digital Electronics
X + X.Y = ?

 0
 Y
 X
 1

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Digital Electronics
The largest positive number that can be stored in a computer that has 16-bit word length and uses two’s complement arithmetic is

 32
 32,768
 32,767
 65,536

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