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Digital Electronics

Digital Electronics
The number of parity bits in a 12-bit Hamming code is

 8
 5
 6
 4

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Digital Electronics
Which of the following represents (E3)16 ?

 (1CE)16+(A2)16
 (1BC)16-(DE)16
 (200)16-(11D)16
 (2BC)16-(1DE)16

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Digital Electronics
XNOR followed by a NOT gate is equivalant to ________ gate

 NOR
 XOR
 XNOR
 OR

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 0011
 1001
 1100
 1000

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Digital Electronics
How many NOR gates are required to obtain AND operation?

 1
 3
 2
 4

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Digital Electronics
OR-AND realization of a combinational circuit is equivalent to

 NOR-NAND realization
 NOR-NOR realization
 NAND-NAND realization
 NAND-NOR realization

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