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Digital Electronics

Digital Electronics
X + X.Y = ?

 1
 Y
 0
 X

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Digital Electronics
In which code do the successive code characters differ in only one position?

 8421 code
 Hamming code
 XS-3 code
 Gray code

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Digital Electronics
A number system with radix 2 is known as

 Binary
 Octal
 Hexadecimal
 Decimal

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Digital Electronics
What is the minimum number of NOR gates required realizing an X-OR gating?

 3
 4
 5
 6

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Digital Electronics
How many bits are required to store one BCD digit ?

 1
 4
 3
 2

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

It is used by everybody
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

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