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Digital Electronics

Digital Electronics
2's Complement of 10101011 is

 10101011
 00111100
 10101100
 01010101

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Digital Electronics
Which of the following represents (E3)16 ?

 (1CE)16+(A2)16
 (200)16-(11D)16
 (1BC)16-(DE)16
 (2BC)16-(1DE)16

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Digital Electronics
Which of the following is 1’s complement representation of +57

 00111001
 01000110
 00000001
 11000110

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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
 AND
 OR
 NAND

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Digital Electronics
For a code to be self-complementing, the sum of all its weights must be

 9
 10
 6
 12

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Digital Electronics
EBCDIC code is a

 10-bit code
 5-bit code
 8-bit code
 7-bit code

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