Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following are essential features of object-oriented programming languages?  Abstraction and encapsulation Strictly-typedness Type-safe property coupled with sub-type rule Polymorphism in the presence of inheritance

A. 1 and 2 only
B. 1 and 4 only
C. 1,2 and 4 only
D. 1,3 and 4 only
Answer» C. 1,2 and 4 only
Discussion
2.

Observe the following code and chose the correct statement(s) class Name { const char *s ;. }; class Table { Name *p; size_t sz ; public : Table(size_ts = 15) {p = new Name [sz = s]; } ~Table() {delete [ ]p ;} Name * lookup(const char *); bool insert(Name *); };

A. ~Table() is a destructor
B. p is of Table type
C. Both A and B
D. insert() is a method which returns nothing
Answer» B. p is of Table type
Discussion
3.

Analyse the following code snippet and choose the answer:- #include Class Temp { private: int m_ival; public: Temp() { Cout<<"OBJECT CREATED\n"< } ~Temp() { Cout<<"OBJECT DESTROYED\n"< } }; void fnRead() { Temp oTempObj; } int main() { fnRead(); cout<<"IN MAIN \n"< return 0; }

A. OBJECT CREATED OBJECT DESTROYED
B. OBJECT CREATED OBJECT DESTROYED IN MAIN
C. OBJECT CREATED IN MAIN
D. Compilation Error
Answer» C. OBJECT CREATED IN MAIN
Discussion
4.

What will be output if you will compile and execute the following c code? #include int main(){ const int x=25; int * const p=&x; *p=2*x; printf("%d",x); return 0; }

A. 25
B. 50
C. 0
D. Compiler error
Answer» C. 0
Discussion
5.

What is meaning of following declaration? int(*ptr[5])();

A. ptr is pointer to function.
B. ptr is pointer to array of function.
C. ptr is pointer to such function which return type is array.
D. ptr is pointer to array of function.
Answer» C. ptr is pointer to such function which return type is array.
Discussion
6.

What will be output of following program? #include int main(){ int i = 100; printf("value of i : %d addresss of i : %u",i,&i); i++; printf("\nvalue of i : %d addresss of i : %u",i,&i); return 0; }

A. A. value of i : 100 addresss of i : Address value of i : 101 addresss of i : Address
B. value of i : 100 addresss of i : Address value of i : 100 addresss of i : Address
C. value of i : 101 addresss of i : Address value of i : 101 addresss of i : Address
D. Compilation error
Answer» B. value of i : 100 addresss of i : Address value of i : 100 addresss of i : Address
Discussion
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