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Digital Electronics

Digital Electronics
2's Complement of 10101011 is

 00111100
 10101011
 01010101
 10101100

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

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

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Digital Electronics
In which code do the successive code characters differ in only one position?

 Hamming code
 8421 code
 XS-3 code
 Gray code

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an OR gate?

 NAND
 AND
 X-NOR
 NOR

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Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 7
 15
 16
 4

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Digital Electronics
EBCDIC code is a

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

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