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Digital Electronics

Digital Electronics
Truth table is used to express

 Boolean matrix
 Boolean map
 Boolean addition
 Boolean expression

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Digital Electronics
9’s complement of 52784630 is

 57316379
 47215369
 58326479
 48225469

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Digital Electronics
1’s complement of 17 is

 10111.
 11100.
 10001.
  01110.

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Digital Electronics
NAND. gates are preferred over others because these

have lower fabrication area
provide maximum density in a chip.
consume least electronic power
can be used to make any gate

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

 X-OR
 NOR
 OR
 NAND

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

 OR
 AND
 NAND
 NOT

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