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Digital Electronics

Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 none of these
 OR
 NAND
 NOR

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Digital Electronics
The NAND gate is AND gate followed by ___________.

OR gate
None of these
NOT gate
AND gate

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Digital Electronics
The maximum positive and negative numbers that can be represented in one’s complement using n-bits are respectively

 +2n-1,-(2n-1-1)
 +(2n-1-1),-2n-1
 None of these
 +(2n-1-1),-(2n-1-1)

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Digital Electronics
Complement of NOR and OR gate is ________ and ________ respectively.

 AND, NAND
 NAND, AND
 NOR, OR
 OR, NOR

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Digital Electronics
Which number system has a base of 16

 None
 Octal
 Decimal
 Hexadecimal

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Digital Electronics
Which of these sets of logic gates are designated as universal gates?

 XOR, NOR, NAND.
 OR, NOT, AND.
 NOR, NAND, XNOR.
 NOR, NAND.

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