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Digital Electronics

Digital Electronics
Each term in the standard POS form is called a

 don’t care
 minterm
 literal
 maxterm

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Digital Electronics
An X-OR gate gives a high output

 if there are odd number of 1s
 if it has even number of 0s
 if the decimal value of digital word is even
 for odd decimal value.

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Digital Electronics
A half adder is a ________ circuit.

 Sequential
 Combinational
 Both A and B
 None

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

 Tristate
 Output is inverted
 Open collector output
None of these

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

 NAND
 X-OR
 NOR
 OR

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

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

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