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1.Which of the following data structures are indexed structures
Select one:
A.Linear arrays
B.Tree
C.Linked lists
D.None of these options
Ans: A
2.Which of the following is a mathematical-model with a collection of operations defined on that model and their implementations are hidden?
Select one:
A.Primitive Data Type
B.Abstract Data Type
C.Algorithm
D.Data Structure
Ans: B
3.The post fix form of the expression (A+ B)(CD- E)*F / G Is?
ANS . AB+CDE – FG/♦
4.The process of accessing data stored in a serial access memory is similar to manipulating data on a particular data structure. Which is that data structure?
ANS – Stack
5.Which of the following data structure is better for storing the sorted data on which often Insert and deletion operations are performed?
A.Array
B.Linked list
C.Queue
D.Doubly linked-list
Ans: B
6.You have to sort a list ‘L which consists of some sorted elements and few ‘‘random’ elements. Which of the following sorting methods would be especially suitable for such a task?
ANS – Insertion sort
7.Time complexities of three algorithms are given. Which should execute the slowest for large values of N?
ans – O(n*2)
8.What Is the time complexity for executing merge sort on an array of size n which is already sorted is
ans – O(n log n)
9.If the given array is {6,2, 5,1,9 }, the 3rd number from the left while doing bubble sort In the 2nd iteration is
ans – 5
10.Jane has created a special type of linked list. That linked list contains no NULL values in its links. If so, what type of linked list is Jane has created?
ans – Circular Linked List
11.Choose the scenario(s) when we need to use Linear search?
A.Can use all the time
B.None of these options
C.When the list has only a few elements
D.When performing a single search in an un-ordered list
Ans: D