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Digital Electronics

Digital Electronics
Choose the option which is not a code conversion standard

 Gray code
 Excess-3 code
 BCD code
 Truth code

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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
 none
 2.
 1.

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Digital Electronics
The boolean algebra is mostly based on

 Standard theorem
 De Morgans theorem
 Boolean theorem
 De Morpans theorem

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Digital Electronics
Consider the operation 24+17 = 40 .What is the correct base of number so that operation is correct?

 11
 12
 13
 10

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 none
 48,877
 48,777
 47,877

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Digital Electronics
A NAND gate is called a universal logic element because

All the minization techniques are applicable for optimum NAND gate realization
Many digital computers use NAND gates.
Any logic function can be realized by NAND gates alone
It is used by everybody

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