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Digital Electronics

Digital Electronics
The hex address of the 256th memory location is

 00100
 00FFF
 001FF
 000FF

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Digital Electronics
1 kb represents

 10,000 bytes
 1024 bytes
 1000 bytes
 100 bytes

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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.

None of these
120 CPS
10 CPS
12 CPS

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Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 both have same
 none
 1
 2

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Digital Electronics
A bubbled NAND gate is equivalent to a

 NAND gate
 X-OR gate
 NOR gate
 OR gate

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

 6
 10
 9
 12

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