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Digital Electronics

Digital Electronics
(44)8 in BCD 8421 code is

 01100011
 00100100
 00110110
 01000100

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Digital Electronics
A combinational circuit can be designed using only

 OR gates
 OR and X-NOR gates
 NOR gates
 AND gates

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Digital Electronics
F’s complement of (2BFD)Hex is

 D403
 C403
 D402
 E304

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Digital Electronics
A boolean function can be transformed into logical ________.

 matrix
 map
 graph
 diagram

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an OR gate?

 NAND
 X-OR
 AND
 NOR

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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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