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Digital Electronics

Digital Electronics
In digital systems, 1 byte is equal to ________ bit(s).

 4
 8
 1
 2

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Digital Electronics
The voltage levels for positive logic system

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

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

 NOR
 NAND
 X-OR
 OR

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Digital Electronics
Fastest memory element is

 Cache
 Hard Drive
 RAM
 ROM

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

  255.
 256.
  8.
 16.

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Digital Electronics
The NAND-NAND realization is equivalent to

 NOT-OR realization
 AND-NOT realization
 OR-AND realization
 AND-OR realization

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