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Digital Electronics

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

 NOR
 X-OR
 OR
 NAND

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Digital Electronics
In SSI, the number of gate circuits per chip is

 < 25
 < 6
 < 20
 < 12

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Digital Electronics
The voltage levels for negative logic system

 must necessarily be negative
 must necessarily be positive
 must necessarily be 0 V and –5 V
 may be negative or positive

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Digital Electronics
The voltage levels for positive logic system

 must necessarily be negative
 must necessarily be positive
 may be positive or negative
 must necessarily be 0 V and 5 V

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Digital Electronics
(FE35)16 XOR (CB15)16 is equal to

 (3520)16
 (FF50)16
 (3320)16
 (FF35)16

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Digital Electronics
In Boolean algebra A.A is equal to

 A
 1
 2A
 A²

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