Data Structure Multiple Choice Questions and Answers Pdf - 1
Question: 1
What is the worst-case time for serial search finding a single item in an array?
(A) Quadratic time
(B) Linear time
(C) Logarithmic time
(D) Constant time
Ans: B
Linear time
Question: 2
A non-circular doubly linked list can best and most generally be defined as a ___
(A) Set of elements, each with two pointers
(B) Set of elements chained together with pointers
(C) Linear sequence of elements in sequential memory locations
(D) Linear sequence of elements chained together with pointers
Ans: D
Linear sequence of elements chained together with pointers
Question: 3
Which of the following operations is a dictionary operation?
(A) Search
(B) Delete
(C) Insert
(D) All of above
Ans: D
All of above
Question: 4
To create a linked structure, each node must have one member, which is ____
(A) A pointer to the head of the list
(B) A pointer to NULL
(C) A pointer to the node type
(D) A reference to the element type
Ans: C
A pointer to the node type
Question: 5
Each attribute of an entity has a defined set of values. This set of values is called a
(A) Mapping
(B) Entity set
(C) Domain
(D) Range
Ans: C
Domain
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