How many possible 5-bit sequences are there

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In the 4B/5B encoding (Table 2.4), only two of the 5-bit codes used end in two 0s. How many possible 5-bit sequences are there (used by the existing code or not) that meet the stronger restriction of having at most one leading and at most one trailing 0? Could all 4-bit sequences be mapped to such 5-bit sequences?

Table 2.4

Reference no: EM131046236

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