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Welcome to the Sorting and Searching MCQs Page

Dive deep into the fascinating world of Sorting and Searching with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Sorting and Searching, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Sorting and Searching, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Structures and Algorithms.

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Check out the MCQs below to embark on an enriching journey through Sorting and Searching. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Structures and Algorithms.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Sorting and Searching. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Sorting and Searching MCQs | Page 12 of 24

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Q111.
The average time required to perform a successful sequential search for an element in an array A(1 : n) is given by

a.

n

b.

(n + 1)/2

c.

log2n

d.

n(n + 1)/2

Discuss
Answer: (b).(n + 1)/2
Q112.
Which of the following is false ?

a.

A serial search begins with the first array element

b.

A serial search is useful when the amount of data that must be search is small

c.

For a serial search to work, the data in the array must be arranged in either alphabetical or numerical order

d.

A serial search continues searching, element by element, either until a match is found or until the end of the array is encountered

Discuss
Answer: (c).For a serial search to work, the data in the array must be arranged in either alphabetical or numerical order
Q113.
A search begins the search with the element that is located in the middle of the array

a.

serial

b.

binary

c.

parallel

d.

random

Discuss
Answer: (b).binary
Q114.
To sort many large object or structures, it would be most efficient to

a.

Place them in an array and sort the array

b.

Place them in a linked list and sort the linked list

c.

Place pointers to them in an array and sort the array

d.

Place reference to them in and array an sort the array

Discuss
Answer: (b).Place them in a linked list and sort the linked list
Q115.
Average successful search time for sequential search on 'n' items is

a.

n/2

b.

(n+1)/2

c.

(n-1)/2

d.

None of these

Discuss
Answer: (b).(n+1)/2
Q116.
Suppose DATA array contains 1000000 elements. Using the binary search algorithm, one requires only about n comparisons to find the location of an item in the DATA array, then n is

a.

7

b.

20

c.

38

d.

45

Discuss
Answer: (b).20
Q117.
Which of the following sorting procedure is the slowest ?

a.

Shell sort

b.

Heap sort

c.

Quick sort

d.

Bubble sort

Discuss
Answer: (a).Shell sort
Q118.
Which of the following sorting method is stable ?

a.

Shell sort

b.

Heap sort

c.

Binary insertion sort

d.

Straight insertion sort

Discuss
Answer: (d).Straight insertion sort
Q119.
Which of the following best describes sorting ?

a.

Adding a new record to the data structure

b.

Arranging the data (record) in some given order

c.

Finding the location of the record with a given key

d.

Accessing and processing each record exactly once

Discuss
Answer: (b).Arranging the data (record) in some given order
Q120.
A sort which compares adjacent elements in a list and switches where necessary is

a.

heap sort

b.

quick sort

c.

bubble sort

d.

insertion sort

Discuss
Answer: (c).bubble sort
Page 12 of 24

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