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Digital Electronics

Digital Electronics
Which of the following is 2’s complement of +12?

 00001000
 01110011
 00001100
 00000011

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

 flip-flop
 registor
 gate
 XOR gate

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Digital Electronics
(1D)16 in BCD 8421 code is

 00101001
 00011111
 00011101
 00100100

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Digital Electronics
10’s complement of 63325600 is

 366744399
 36674400
 633256600
 36774400

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Digital Electronics
Which of these sets of logic gates are designated as universal gates?

 OR, NOT, AND.
 NOR, NAND.
 XOR, NOR, NAND.
 NOR, NAND, XNOR.

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Digital Electronics
Which of the following is a self-complementing code?

 Hamming code
 cyclic code
 Gray code
 XS-3 code

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