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Digital Electronics

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

 NAND
 X-OR
 NOR
 AND

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin14
 Pin1
 Pin13
 Pin2

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Digital Electronics
How many bits are required to store one BCD digit ?

 1
 2
 4
 3

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

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

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Digital Electronics
The number A = 01110000 and B = 10101111 are in 2’s complement form .Addition of above two number is

 011100001
 11100000
 10101111
 00011111

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Digital Electronics
In flip flop clock is present but in latch clock is

  absent always.
  none.
  may be present/absent.
  present always.

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