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Digital Electronics

Digital Electronics
The main equation for a D flip flop is

 Q=D'
 Q=1
 Q=D
 Q=0

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

 NAND
 AND
 X-OR
 OR

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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
10 CPS
12 CPS
120 CPS

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Digital Electronics
Each term in the standard SOP form is called a

 maxterm
 literal
 minterm
 don’t care

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Digital Electronics
The number 10000 would appear just immediately after

1111 (binary)
All of these
7777 (octal)
FFFF (hex)

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Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 none
 2.
 both are same
 1.

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