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Digital Electronics

Digital Electronics
An 8-square eliminates

 4 variables
 3 variables
 2 variables
 8 variables

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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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Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 four
 three
 one
 two

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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
120 CPS
10 CPS
None of these

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Digital Electronics
Which of the following operations is commutative but not associative?

 NAND
 OR
 AND
 X-OR

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Digital Electronics
An all or nothing gate is the other name of

 X-NOR gate
 AND gate
 X-OR gate
 OR gate

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