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Digital Electronics

Digital Electronics
The XS-3 code is a

 self-complementing code
 weighted code
 cyclic code
 error-correcting code

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Digital Electronics
Switching circuits are

 none of these
 analog circuits
 digital circuits
 hybrid circuits

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

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

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Digital Electronics
The universal gate is ___________

NAND gate
OR gate
AND gate
None of these

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Digital Electronics
A half adder is a ________ circuit.

 Sequential
 Combinational
 None
 Both A and B

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Digital Electronics
In an SR latch built from NOR gates, which condition is not allowed

 S=0, R=0
 S=0, R=1
 S=1, R=0
 S=1, R=1

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