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Digital Electronics

Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 AND
 NOT
 OR
 X-OR

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Digital Electronics
For the design of a combinational circuit with four inputs using only NAND gates, the number of K-maps required for the simplification process is

 4
 2
 1
 0

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Digital Electronics
Consider the operation 24+17 = 40 .What is the correct base of number so that operation is correct?

 13
 11
 12
 10

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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.

120 CPS
None of these
10 CPS
12 CPS

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

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

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Digital Electronics
A single flip-flop can be cleared (reset) to

 None
 0
 1
 Both A and B

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