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Digital Electronics

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

 both are same
 none
 1.
 2.

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Digital Electronics
A bubbled OR gate is equivalent to a

 AND gate
 X-OR gate
 NAND gate
 NOR gate

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Digital Electronics
Which of the following BCD codes with an odd parity bit included in the end of code group, have error in the code? (I)1001010110000 (II)0100011101100 (III)0111110000011 (IV)1000011000101

 Only (II)
 Both (I)&(IV)
 Both (I) & (II)
 Both (II)&(III)

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Digital Electronics
The NOR-NOR realization is equivalent to

 AND-OR realization
 NOT-AND realization
 OR-AND realization
 OR-NOT realization

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0100 1111 0010 1100
 0100 1110 0010 1101
 0100 1111 0010 1101
 0101 1111 0010 1100

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Digital Electronics
A digital circuit that can store on bit is a

 gate
 flip-flop
 registor
 XOR gate

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