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Digital Electronics

Digital Electronics
Which of the following gates is known as a coincidence detector?

 X-OR gate
 NAND gate
 X-NOR gate
 AND gate

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Digital Electronics
A group of four bits is known as

 Nibble
 Byte
 Word
 Bit

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Digital Electronics
Odd parity of a bit stream can be tested using ________ gate.

 OR
 NOR
 AND
 XOR

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Digital Electronics
The devices commonly used for making digital circuits are

 contact switches
 mechanical switches
 semiconductor devices
 relays

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 NAND
 NOR
 X-OR
 OR

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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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