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Digital Electronics

Digital Electronics
To get an excess-3 code from BCD code

 0110 is added
 0110 is subtracted
 0011 is added
 0011 is subtracted

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Digital Electronics
The code used in digital systems to represent decimal digits, letters, and other special characters such as + , – , . , * , etc. is

 octal
 natural BCD
 hexadecimal
 ASCII

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

 Clear
 Both A and B
 Reset
 None

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Digital Electronics
In VLSI, the number of gate circuits per chip is

 > 10,000
 < 10,000
 10,000 to 99,999
 50,000 to 99,999

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Digital Electronics
An exclusive NOR gate is logically equivalent to

 X-OR gate followed by an inverter
 NOT gate followed by a NOR gate
 inverter followed by an X-OR gate
 complement of a NOR gate

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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

 1.
 2.
 none
 both are same

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MORE MCQ ON Digital Electronics

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