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Answer is C

In the Manchester encoding, a logic 0 is indicated by a 0 to 1 transition at the centre of the bit and a logic 1 is indicated by a 1 to 0 transition at the centre of the bit.

Original Data                   Value Sent

Logic 0                   0 to 1 (upward transition at bit centre)

Logic 1                   1 to 0 (downward transition at bit centre)

For example, The pattern of bits " 0 1 1 1 1 0 0 1 ", the Manchester code will be 01 10 10 10 10 01 01 10

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ans is (c)

The Manchester code is therefore sometimes known as a Biphase Code. A Manchester encoded signal contains frequent level transitions which allow the receiver to extract the clock signal using a Digital Phase Locked Loop (DPLL) and correctly decode the value and timing of each bit.

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