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Digital Electronics

Digital Electronics
What is the gray code for the binary 101011?

 110101
 111110
 011111
 101011

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Digital Electronics
A gate is enabled when its enable input is at logic 0. The gate is

 AND
 NAND
 NOR
 none of these

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Digital Electronics
The inverter is ___________

AND gate
OR gate
NOT gate
None of these

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Digital Electronics
Assuming 8 bits for data, 1 bit for parity, I start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit is.

12 CPS
10 CPS
120 CPS
None of these

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Digital Electronics
A Binary number system has how many digits.

 0
 10
 2
 1

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

 5
 6
 4
 3

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