Explore topic-wise MCQs in Technology.

This section includes 65 Mcqs, each offering curated multiple-choice questions to sharpen your Technology knowledge and support exam preparation. Choose a topic below to get started.

51.

The correct statement for a function that takes pointer to a float, a pointer to a pointer to a char and returns a pointer to a pointer to a integer is

A. int **fun(float**, char**)
B. int *fun(float*, char*)
C. int ***fun(float*, char**)
D. int ***fun(*float, **char)
Answer» D. int ***fun(*float, **char)
52.

Pick out the correct method in the c++ standard library algorithm.

A. mismatch
B. maximum
C. minimum
D. None of these
Answer» B. maximum
53.

In tree construction which is the suitable efficient data structure?

A. Array
B. Linked list
C. Stack
D. Queue
Answer» C. Stack
54.

In an AVL tree the balancing is to be done when the pivotal value is in range of

A. greater than 1 and less than -1
B. greater than -1 and less than 1
C. greater than 1
D. less than -1
Answer» B. greater than -1 and less than 1
55.

How to handle error in the destructor?

A. throwing
B. terminate
C. both a & b
D. none of the mentioned
Answer» C. both a & b
56.

How the member functions in the container can be accessed?

A. Iterator
B. Indirect
C. Both a & b
D. None of these
Answer» B. Indirect
57.

How many ways of reusing are there in class hierarchy?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
58.

How many ways are there to initialize int with a constant?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
59.

How many types of modularization are there in c++?

A. 4
B. 3
C. 1
D. none of these
Answer» E.
60.

How many types of constructor are there in C++?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
61.

How many kinds of entities are directly parameterized in c++?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
62.

How do define the user-defined exceptions?

A. inheriting and overriding exception class functionality.
B. overriding class functioality.
C. inheriting class functionality
D. none of the mentioned
Answer» B. overriding class functioality.
63.

A special member function of a class, which is invoked automatically whenever an object goes out of the scope is called

A. Constructor
B. Destructor
C. Friend function
D. None of the above
Answer» C. Friend function
64.

Default constructor accepts how many arguments?

A. one
B. two
C. three
D. None
Answer» E.
65.

A binary tree with 7 nodes will have how many null branches?

A. 6
B. 7
C. 8
D. 5
Answer» D. 5