MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

ALGORITHMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following descriptions best describes a linear search:
A
Put the elements in order, check each item in turn
B
Put the elements in order, compare with the middle value, split the list in order and repeat
C
Elements do not need to be in order, check each item in turn.
D
Elements do not need to be in order, compare to the middle value, split the list in order and repeat.
Explanation: 

Detailed explanation-1: -Q. Which of the following is the best description of the linear search algorithm? Put the elements in order, then go through them one by one until target is found or the end of the list is reached.

Detailed explanation-2: -The list does not need to sorted. Unlike a binary search, linear searching does not require an ordered list.

Detailed explanation-3: -Linear Search best case For a list that contains n items, the best case for a linear search is when the target value is equal to the first element of the list. In such cases, only one comparison is needed. Therefore, the best case performance is O(1).

Detailed explanation-4: -When the list has only a few elements and When performing a single search in an unordered list.

There is 1 question to complete.