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Digital Electronics

Digital Electronics
ASCII and EBCDIC codes are

 BCD codes
 alphanumeric codes
 numeric codes
 error correcting codes

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Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m
 2m-1
 2m-1
 2m+1

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Digital Electronics
AND-OR realization of a combinational circuit is equivalent to

 NOR-NAND realization
 NOR-NOR realization
 NAND-NAND realization
 NAND-NOR realization

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Digital Electronics
The switch which clears a flip-flop is know as

 Both A and B
 None
 Clear
 Reset

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

 X-NOR
 NAND
 AND
 OR

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Digital Electronics
The maximum positive and negative numbers that can be represented in one’s complement using n-bits are respectively

 None of these
 +(2n-1-1),-(2n-1-1)
 +(2n-1-1),-2n-1
 +2n-1,-(2n-1-1)

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MORE MCQ ON Digital Electronics

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