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Digital Electronics

Digital Electronics
The 2s complement of 17 is

 111110.
  101111.
 101110.
 110001.

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Digital Electronics
F’s complement of (2BFD)Hex is

 E304
 D402
 C403
 D403

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Digital Electronics
An exclusive NOR gate is logically equivalent to

 X-OR gate followed by an inverter
 complement of a NOR gate
 inverter followed by an X-OR gate
 NOT gate followed by a NOR gate

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Digital Electronics
Which of the following gate is a two-level logic gate

OR gate
EXCLUSIVE OR gate
NOT gate
NAND gate

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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
What is the radix of octal number system ?

 2
 10
 16
 8

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