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Digital Electronics

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

 32,768
 65,536
 32
 32,767

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Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 1
 2
 both have same
 none

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Digital Electronics
Switching circuits are

 none of these
 digital circuits
 analog circuits
 hybrid circuits

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Digital Electronics
Digital computers are more widely used as compared to analog computers, because they are

Easier to maintain
Always more accurate and faster
Less expensive
Useful over wider ranges of problem types

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Digital Electronics
Simplified form of the function f = (x+y+xy)(x+z)

 y+xz
 x+y
 x+xyz
 x+yz

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

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

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