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Digital Electronics

Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 6
 7
 9
 8

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 n + m literals
 m – 1 literals less than the total number of variables
 m + 1 literals less than the total number of variables
 n – m literals

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 AND
 X-OR
 NOT
 OR

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 2
 6
 8
 4

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Digital Electronics
All the integers and decimal numbers are represented by

 real numbers
 whole numbers
 odd numbers
 even numbers

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Digital Electronics
The NOR gate is OR gate followed by ___________.

None of these
NAND gate
AND gate
NOT gate

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