MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

DATA STRUCTURES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
TRUE OR FALSE:In Linear Search the key is being compared to every element of the array.
A
TRUE
B
FALSE
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Sequential search: This is the standard method for finding an element within a collection of elements. This type of search traverses all of the list’s elements one by one to determine whether or not the element is present in the list. A linear search is an example of such an algorithm.

Detailed explanation-2: -A linear search runs in at worst linear time and makes at most n comparisons, where n is the length of the list. If each element is equally likely to be searched, then linear search has an average case of n+12 comparisons, but the average case can be affected if the search probabilities for each element vary.

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: -Linear or Sequential Search This algorithm works by sequentially iterating through the whole array or list from one end until the target element is found. If the element is found, it returns its index, else-1.

There is 1 question to complete.