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Digital Electronics

Digital Electronics
Positive integers must be represented by

 Both A and B
 unsigned number
 signed numbers
 None of these

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Digital Electronics
The NAND gate can function as a NOT gate if

 all inputs are connected together
 one input is set to 0
 one input is set to 1
 inputs are left open

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Digital Electronics
The code used in digital systems to represent decimal digits, letters, and other special characters such as + , – , . , * , etc. is

 octal
 natural BCD
 ASCII
 hexadecimal

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

 10
 9
 12
 6

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Digital Electronics
What is the minimum number of NOR gates required realizing an X-OR gating?

 5
 3
 6
 4

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Digital Electronics
Extended Binary Coded Decimal Interchange Code is an ________ bit code.

 7
 16
 8
 32

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