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Digital Electronics

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

 1.
 both are same
 2.
 none

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Digital Electronics
If clock time period is 1ms, what is its frequency

 1 kHz
None of these
 1 MHz
 1 mHz

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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

 natural BCD
 ASCII
 hexadecimal
 octal

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Digital Electronics
A bubbled NAND gate is equivalent to a

 X-OR gate
 NOR gate
 NAND gate
 OR gate

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Digital Electronics
Boolean algebra is also known as

 Switching algebra
 Transistor algebra
 Counting algebra
 Gate algebra

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Digital Electronics
Excess-3 code is known as

Cyclic redundancy code
Weighted code
Algebraic code
Self-complementing code

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