C++ General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C++ General Interview Questions

Questions Answers Views Company eMail

Evaluate the following expression as C++ would do :8 * 9 + 2 * 5 a) 82 b) 79 c) 370 d) list

961

Which is not an ANSII C++ function a) sin() b) tmpnam() c) kbhit()

1478

What does getch() do according to the ANSI C++ standard a) Reads in a character b) Checks the keyboard buffer c) Nothing in particular (Its not defined there)

1007

Will a C compiler always compile C++ code a) Yes b) No c) Only optimized compilers

1005

What ANSI C++ function clears the screen a) clrscr() b) clear() c) Its not defined by the ANSI C++ standard

987

What number of digits that can be accuratly stored in a float (based on the IEEE Standard 754)? a) 6 b) 38 c) An unlimited number

1218

Which of the following is evaluated first: a) && b) || c) !

2318

What does 7/9*9 equal ? a) 1 b) 0.08642 c) 0

917

Which of the following is not a valid declaration for main() a) int main() b) int main(int argc, char *argv[]) c) They both work

1024

Evaluate as true or false: !(1 &&0 || !1) a) True b) False c) Invalid statement

1111

Which command properly allocates memory a) char *a=new char[20]; b) char a=new char[20]; c) char a=new char(20.0);

1015

What operator is used to access a struct through a pointer a) >> b) -> c) *

1063

True or false, if you keep incrementing a variable, it will become negative a) True b) False c) It depends

2327

What character terminates all character array strings a) b) . c) END

1220

If you push the numbers (in order) 1, 3, and 5 onto a stack, which pops out first a) 1 b) 5 c) 3

1328

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Un-Answered Questions { C++ General }

How much is c++ certification?

1003

What is a map in c++?

1115

Is there a c++ certification?

995

What is the difference between passing by reference and passing a reference?

1031

What is insertion sorting?

1074

What is a constant? Explain with an example.

960

What are multiple inheritances (virtual inheritance)? What are its advantages and disadvantages?

1012

What is problem with overriding functions?

1013

Differentiate between a pointer and a reference with respect to c++.

1190

Can we use this pointer inside static member function?

1029

Write about the scope resolution operator?

987

What are the differences between java and c++?

1018

What is data structure in c++?

1103

What is the history of c++?

1008

What is ifstream c++?

988

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