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Digital Electronics

Digital Electronics
AND operation of (79)10 & (-56)10 is

 50H
 08H
 42H
 48H

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Digital Electronics
Why generic array logic (GAL) device was invented ?

 Reprogrammable
 One-time programmable
 Mask programmable
None of these

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Digital Electronics
OR operation is equivalant to

 Union
 Both B and C
 Intersection
 Division

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Digital Electronics
The code used for labeling the cells of a K-map is

 gray
 8-4-2-1 binary
 hexadecimal
 octal

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Digital Electronics
Which of the following operations is commutative but not associative?

 AND
 X-OR
 OR
 NAND

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Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 OR
 AND
 NOR
 NAND

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