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Digital Electronics

Digital Electronics
The number of comparators in a parallel conversion type 8-bit analog to digital converter is

  8.
 16.
 256.
  255.

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 NAND
 AND
 OR
 NOT

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

 OR
 X-OR
 NOR
 NAND

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Digital Electronics
A debouncing circuit is

A monostable MV
A latch
A bistable MV
An astable MV

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Digital Electronics
Which of the following is known as a mod-2 adder?

 X-OR gate
 NOR gate
 X-NOR gate
 NAND gate

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Digital Electronics
(11011) 2 in BCD 8421 code is

 01101100
 11011001
 00100111
 00011011

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