Answered

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A computer is performing a binary search on the sorted list of 7 numbers below.

What is the maximum number of iterations needed to find the item?

[1, 5, 20, 50, 51, 80, 99]

A. 1

B. 3

C. 6

D. 7

Sagot :

meweddie3

Answer:

B

Explanation:

Binary search will start in the middle of the list, find which side the value is at, then look at the middle of those values.  This is incredibly efficient for larger values (Although it needs to be sorted) and practical in many instances.  Let's say that the desired number is 1, the binary search would look at "50" first, then proceed to compare with "5" and finally on it's third iteration, pick 1.

The maximum number of iterations needed to find the item is; Option B: 3

We are given the list of numbers as;

[1, 5, 20, 50, 51, 80, 99]

  • Now, when conducting binary search, it usually starts in the middle of the list of given numbers.

  • Thereafter, the next step is to find the side that the value being searched for is located before looking at the middle of those values.

  • Now, if the number being searched for in the given list is 1, it means that the binary search would first look at the middle number which is 50. Thereafter, it will proceed to compare it with the second number 5 and the lastly with the third iteration, will be 1.

  • Thus,the number of iterations needed to find the item is 3 iterations.

Read more about binary search at; https://brainly.com/question/24786985

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