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Digital Electronics

Digital Electronics
How the digital signals is transmitted through a single conductor ?

 Parallel
 Analog
 Serial
None of these

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

 12
 9
 6
 10

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Digital Electronics
What is the minimum number of NAND gates required to realize an X-OR gate?

 4
 6
 5
 3

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Digital Electronics
The address bus with a ROM of size 1024 × 8 bits is

 8 bits
 12 bits
 10 bits
 16 bits

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Digital Electronics
The voltage levels for negative logic system

 may be negative or positive
 must necessarily be 0 V and –5 V
 must necessarily be negative
 must necessarily be positive

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 NAND
 X-OR
 NOR
 X-NOR

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