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Digital Electronics

Digital Electronics
Combinations that are not listed for the input variables are

 Borrow
 Overflow
 Don't Care
 Carry

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

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

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

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

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Digital Electronics
Which of the following is equivalant to an ODD function

 AND-NOR
 XOR
 NOR
 XNOR

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 MOS ICs
 TTL ICs
 ECL ICs
 CMOS ICs

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Digital Electronics
The hex address of the 256th memory location is

 001FF
 00100
 00FFF
 000FF

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MORE MCQ ON Digital Electronics

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