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Digital Electronics

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

 AND
 NOR
 NAND
 X-OR

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Digital Electronics
A bubbled NOR gate is equivalent to a

 X-OR gate
 NOR gate
 AND gate
 NAND gate

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Digital Electronics
What will be the Boolean expression for an inverter logic gate, where input is A and output is G ?

 A= G
None of these
 G = A
 G = Ā

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

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

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Digital Electronics
The 7-bit Hamming code is used to transmit

 4 data bits
 7 data bits
 no data bits
 3 data bits

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Digital Electronics
What is the difference between xor gate and exor gate.

 xor gives one output while exor gives two
 xor and exor are complement of each other
 xor gives two outputs while exor gives one
 both are same

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