Consider a binary code with 5 bits (0, 1 or 2) in each code word. An example of a code word is 01220. (a) How many different code words are there? (b) How many code words have exactly two zeroes? (c) How many code words begin with a zero?

Q: Add the following unsigned binary numbers. a) (11010011)2 & (11101110)2 b) (11000111), & (11111)2

A: a)   111000001 b)    11100110

Q: (i) Count the number of bit strings of length four that do not have two consecutive 1s?

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A: It is an important part of statistics. It is widely used.

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Q: 1.) Is the following UPC numbers valid codes 0-51231-69421-5

A:

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