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Digital Electronics

Digital Electronics
ASCII and EBCDIC codes are

 numeric codes
 error correcting codes
 alphanumeric codes
 BCD codes

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Digital Electronics
In Boolean algebra A.A is equal to

 2A
 1
 A
 A²

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Digital Electronics
The NAND-NAND realization is equivalent to

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

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Digital Electronics
A NAND gate is called a universal logic element because

Any logic function can be realized by NAND gates alone
Many digital computers use NAND gates.
All the minization techniques are applicable for optimum NAND gate realization
It is used by everybody

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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

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

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Digital Electronics
The code used for labeling the cells of a K-map is

 octal
 8-4-2-1 binary
 hexadecimal
 gray

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MORE MCQ ON Digital Electronics

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