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Digital Electronics

Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 NOR
 X-OR
 NAND
 AND, OR, and NOT

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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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Digital Electronics
Master-slave flip flop consists of ________ flip-flop(s).

 3
 1
 2
 4

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Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 OR, NOR
 XOR, OR
 XOR, NOR
 NOR, XNOR

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Digital Electronics
Which of the following is 1’s complement representation of +57

 00111001
 00000001
 01000110
 11000110

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 4
 6
 8
 2

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