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Digital Electronics

Digital Electronics
What is the Boolean expression for a two-input AND gate ?

 A + B
 A & B
 A - B
 A.B

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 X-NOR
 X-OR
 NOR
 NAND

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Digital Electronics
AND operation is equivalant to

 Intersection
 Union
 Division
 Both B and C

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

 an AND or a NOR
 an OR or an X-OR
 a NAND or a NOR
 an AND or an OR

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 OR
 X-OR
 AND
 NOT

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Digital Electronics
What is/are the configurable functions of each and every IOBs connected around the FPGA device from the operational point of view?

Tristate output operation
Input operation
All of these
Bi-directional I/O pin access

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