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Digital Electronics

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

 NOR
 XOR
 AND
 OR

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Digital Electronics
The voltage levels for negative logic system

 must necessarily be positive
 must necessarily be 0 V and –5 V
 may be negative or positive
 must necessarily be negative

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Digital Electronics
A Nibble is equal to ________ bit(s)

 8
 1
 4
 2

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Digital Electronics
The universal gate is ___________

None of these
OR gate
AND gate
NAND gate

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Digital Electronics
Which of the following is known as a mod-2 adder?

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

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Digital Electronics
Truth table is used to express

 Boolean map
 Boolean matrix
 Boolean expression
 Boolean addition

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