C++ Interview Questions
Questions Answers Views Company eMail

What is Copy Constructor?

ABC, Siemens,

5 18580

What is an abstract class?

Siemens,

5 9903

What is the difference between creating an object, using 'new' and using 'malloc'?

HFG, Siemens,

3 11149

What is a virtual base class?

Fidelity, Siemens,

6 22694

What is OOPS and How it is different from Procedural Programming ?

HP, Infosys, Thyrocare,

23 65636

Difference between Top down and bottom up approaches for a given project ?

BSNL, CSC, HCL, HP, IIT, Infosys, Siemens,

14 105068

What and all can a compiler provides by default?

Accenture, HP,

3 14166

What are the different operators in C++?

HP,

3 13097

What is the difference between method and message?

HP,

5 55739

What is difference between initialization and assignment?

HCL, HP, Infosys,

12 59546

when can we use copy constructor?

HP,

6 15324

Describe functional overloading?

HP,

6 10870

Difference between Overloading and Overriding?

Appnetix Techno, GameLoft, HP, IBM, NIIT, Rohde and Schwarz,

35 194638

Difference between Operator overloading and Functional overloading?

HP,

10 50912

What is virtual constructor paradigm?

HCL, HP,

5 13571


Un-Answered Questions { C++ }

What you know about structures in C++?

580


What is increment operator in c++?

546


Who calls main function?

573


What is stoi in c++?

684


What are pointers used for c++?

559






Why do we learn c++?

521


Explain the differences between private, public and protected and give examples.

555


Here are the questions and paper pattern from a Birlasoft previous placement paper held at Kolkata, West Bengal. There are two sections 1. Technical questions - 20 2. Aptitude questions - 25 Birlasoft Technical Multiple Choice Questions: Largest integer can be written from 8 bits is a. 256 b. 255 c. 8 d. 10 Change a hexadecimal no to octal How many address lines needed to pass 1MB of data. What is the function of the modulus operator in most language. a) Sets a system environmental value to either base 10 ,base 8 or base 16 b) Returns the remainder after dividing one number by another c) Returns the first argument raised to the second argument power d) Prints out the actual code written to standard output rather than executing the code class professor{} class teacher: public virtual professor{}; class researcher: public virtual professor {} class myprofessor :public teacher,public researcher {}; Referring to the sample code above ,if an object of class myprofessor were created ,how many instances of professor will it contain? a) 0 b) 1 c) 2 d) 3 Modern RDBMS s perfom the following the following functionc except _______. a) Force column values in one table to match any of the values in a column of another table b) Automatically replicate data on another server c) Automatically create new indexes based on query history d) Prevent unauthorized users from accessing data at the firls level RDBMS triggers are typically bound to a _________and one or more a) Table,SQL statement types b) SQL statement type,user c) Column,rows d) User, table What relationship is resolved by an intersecting or associative entity ? a) Recursive b) Mandatory one to one c) Many to Many d) One to One Make a copy of file upper in the directory two levels up . a) jump -2 upper b) cp upper ../..(answer) c) cp upper -2/ d) None of the above i = 0; j = 0; for(j=1;j<10;j++) i=i+1; In the (generic) code segment above what will be the value of the variable i at completion ? a) 0 b) 1 c) 3 d) 9 e) 10 Which of the following statements is true when a derivation inherits both a virtual and non-virtual instance of a base class ? a) Each derived class object has base objects only from the non virtual instance b) Each base class object has derived objects only from the non-virtual instance c) Each derived class object has base objects only from the virtual instance d) Each derived class object has a base object from the virtual instance and a base object from non-virtual instance. class Word { public: Word(const char*,int = 0); }; Referring to the sample code above what is the minimum number of arguments required to call the constructor ? a) 0 b) 1 c) 2 d) 3 What is the function of the modulus operator in most languages ? a) Sets a system environmental value to either base 10 ,base 8 or base 16 b) Returns the remainder after dividing one number by another c) Returns the first argument raised to the second argument power d) Prints out the actual code written to standard output rather than executing the code lass professor{} class teacher: public virtual professor{}; class researcher: public virtual professor {} class myprofessor :public teacher,public researcher {}; Referring to the sample code above ,if an object of class ? myprofessor? were created ,how many instances of professor will it contain? a) 0 b) 1 c) 2 d) 3 Modern RDBMS?s perfom the following the following functionc except a) Force column values in one table to match any of the values in a column of another table b) Automatically replicate data on another server c) Automatically create new indexes based on query history d) Prevent unauthorized users from accessing data at the firls level Which is not the characteristics of a view ? a) Consumes Disk space for data b) Multiple tables c) Multiple rows d) Updateable Technical Questions for computer science engineering students placement paper - cse branch tech / technical interview and written test paper questions from sql, rdbms, queries, c language, programming, etc. The questions are multiple choice / objective type. RDBMS triggers are typically bound to a ________and one or more ________ a) Table,SQL statement types b) SQL statement type,user c) Column,rows d) User, tables What relationship is resolved by an ?intersecting? or ? associative? entity ? a) Recursive b) Mandatory one to one c) Many to Many d) One to One Make a copy of file ?upper? in the directory two levels up . a) jump -2 upper b) cp upper ../.. c) cp upper -2/ d) None of the above Birlasoft Aptitude Section Questions: Question like A is engg. B is doctor C is artist etc then few condition related to them you have give answer to 4 or 5 qs on these conditions . same as above with different data and conditions. 3 qs onfinding error in english sentences If father is three times as old as son . 5 years ago he was 4 times age of his son what is son age. Same as above but now daughter and mother joined in and age in question is that of daughter. A figure is given find no of traingles in this figure Same as above but figure is diffrent and find no of squares and triangles. See other latest free online Birlasoft India placement exam test papers here with technical hr interview candidate real experiences from all over india - submitted by college freshers and company campus recruitment drives.

3816


By using c++ with an example describe linked list?

587


Explain the volatile and mutable keywords.

605


Is c++ faster than c?

576


What language is oop?

582


What is difference between class and function?

574


Describe about storage allocation and scope of global, extern, static, local and register variables?

711


total amount of milk produced each morning and then calculates and outputs the number of cartons needed for this milk , the cost of producing the milk and the profit from producing this milk.

2070