Data structures & Algorithms MCQ Set 1



1.       The elements of an array are stored successively in memory cells because
a.       by this way computer can keep track only the address of the first element and the addresses of other elements can be calculated
b.       the architecture of computer memory does not allow arrays to store other than serially
c.        both of above
d.       none of above

2.       Which of the following data structure is not linear data structure?
a.       Arrays
b.       Linked lists
c.        Both of above
d.       None of above

3.       The Average case occur in linear search algorithm
a.       When Item is somewhere in the middle of the array
b.       When Item is not in the array at all
c.        When Item is the last element in the array
d.       When Item is the last element in the array or is not there at all

4.       Two main measures for the efficiency of an algorithm are
a.       Processor and memory
b.       Complexity and capacity
c.        Time and space
d.       Data and space

5.       Finding the location of the element with a given value is:
a.       Traversal
b.       Search
c.        Sort
d.       None of above

6.       Which of the following case does not exist in complexity theory
a.       Best case
b.       Worst case
c.        Average case
d.       Null case

7.       The operation of processing each element in the list is known as
a.       Sorting
b.       Merging
c.        Inserting
d.       Traversal

8.       Arrays are best data structures
a.       for relatively permanent collections of data
b.       for the size of the structure and the data in the structure are constantly changing
c.        for both of above situation
d.       for none of above situation

9.       Each array declaration need not give, implicitly or explicitly, the information about
a.       the name of array
b.       the data type of array
c.        the first data from the set to be stored
d.       the index set of the array

10.    The complexity of Binary search algorithm is
a.       O(n)
b.       O(log )
c.        O(n2)

d.       O(n log n)





Answers
1.a
2.d
3.a
4.c
5.b
6.d
7.d
8.a
9.c
10.b

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