MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

DATA STRUCTURES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Searching of any element in a data structure can be done in 2 ways ____ and ____
A
Sequential and random
B
linear and non linear
C
linear and binary
D
linear and random
Explanation: 

Detailed explanation-1: -Linear and binary searches are the two simple and easy-to-implementing algorithms in which binary works faster than linear algorithms. Though linear search is most straightforward, it checks each element until it finds a match to the search element, thus efficient when data collection is not sorted correctly.

Detailed explanation-2: -Linear search is a search that finds an element in the list by searching the element sequentially until the element is found in the list. On the other hand, a binary search is a search that finds the middle element in the list recursively until the middle element is matched with a searched element.

Detailed explanation-3: -There are two forms of binary search implementation: Iterative and Recursive Methods. The most significant difference between the two methods is the Recursive Method has an O(logN) space complexity, while the Iterative Method uses O(1).

Detailed explanation-4: -Search algorithms can be classified based on their mechanism of searching into three types of algorithms: linear, binary, and hashing.

Detailed explanation-5: -In computer science, a search data structure is any data structure that allows the efficient retrieval of specific items from a set of items, such as a specific record from a database. The simplest, most general, and least efficient search structure is merely an unordered sequential list of all the items.

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