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()

1479

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)

1011

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

1009

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

992

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) !

2319

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

1025

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);

1016

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

1067

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

2331

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

1221

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 }

What are the advantage of using register variables?

1127

State two differences between C and C++.

1103

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

1032

What is the function of I/O library in C++ ?

1135

What is the main function c++?

1076

What is a pdb file?

947

What is microsoft c++ redistributable 2013?

1050

What is a storage class?

1199

What problems might the following macro bring to the application?

993

Define pointers?

1015

what is VOID?

1021

What is function prototyping?

1054

What does the linker do?

992

What is the standard template library (stl)?

1643

What is a set in c++?

926

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