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An online store uses 6-bit binary sequences to identify each unique item for sale. The store plans to increase the number of items it sells and is considering using 7-bit binary sequences. Which of the following best describes the result of using 7-bit sequences instead of 6-bit sequences?

A) 2 more items can be uniquely identified.

B) 10 more items can be uniquely identified.

C) 2 times as many items can be uniquely identified.

D) 10 times as many items can be uniquely identified.

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  1. 23 March, 15:45
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    2 times as many items can be uniquely identified

    Explanation:

    Option 'C' is the answer. because

    if we use 6 bit binary sequence

    then

    No. of Unique address will be = 2 ^ 6 = 64

    as we increase the bit by 1. Now total bits are 7.

    so

    No. of Unique address for 7 bit Sequence = 2 ^ 7 = 128

    So,

    128 is double of 64, that is 2 times greater value than 64.
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