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Digital Electronics

Digital Electronics
In digital systems, 1 byte is equal to ________ bit(s).

 2
 4
 8
 1

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Digital Electronics
A half adder has

 2 inputs and 2 output
 2 inputs and 1 outputs
 1 input and 1 output
 1 input and 2 outputs

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Digital Electronics
1s Complement of 11001010 is

 00110111
 11001011
 00110101
 11001001

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Digital Electronics
The codes in which each successive code word differs from the preceding one in only one bit position are called

 self-complementing codes
 BCD codes
 sequential codes
 cyclic codes

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When any input is HIGH
 When any input is LOW
 When all inputs are HIGH
 When all input is LOW

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Digital Electronics
Positive integers must be represented by

 None of these
 signed numbers
 Both A and B
 unsigned number

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