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Quark Interview Questions
Questions Answers Views Company eMail

1. What does the following do: void afunction(int *x) { x=new int; *x=12; } int main() { int v=10; afunction(&v); cout< 5 6560


How long does this loop run: for(int x=0; x=3; x++) a) Never b) Three times c) Forever

16 29085

Which uses less memory? a) struct astruct { int x; float y; int v; }; b) union aunion { int x; float v; }; c) char array[10];

4 5949

Evaluate: int fn(int v) { if(v==1 || v==0) return 1; if(v%2==0) return fn(v/2)+2; else return fn(v-1)+3; } for fn(7); a) 10 b) 11 c) 1

4 7041

Which of the Standard C++ casts can be used to perform a ?safe? downcast: a) reinterpret_cast b) dynamic_cast c) static_cast d) const_cast

2 5163





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 e) 4

4 6957

string somestring ; Which of the following choices will convert a standard C++ string object "somestring" to a C string? a) Copy.somestring () ; b) somestring.c_str () c) &somestring [1] d) std::cstring (somestring) e) (char *) somestring

1 5240

class basex { int x; public: void setx(int y) {x=y;} }; class derived : basex {}; What is the access level for the member function "setx" in the class "derived" above? a) private b) local c) global d) public e) protected

3 6020

class Alpha { public: char data[10000]; Alpha(); ~Alpha(); }; class Beta { public: Beta() { n = 0; } void FillData(Alpha a); private: int n; }; How do you make the above sample code more efficient? a) If possible, make the constructor for Beta private to reduce the overhead of public constructors. b) Change the return type in FillData to int to negate the implicit return conversion from "int" to "void". c) Make the destructor for Alpha virtual. d) Make the constructor for Alpha virtual. e) Pass a const reference to Alpha in FillData

2 6350

class HasStatic { static int I; }; Referring to the sample code above, what is the appropriate method of defining the member variable "I", and assigning it the value 10, outside of the class declaration? a) HasStatic I = 10; b) int static I = 10; c) static I(10); d) static I = 10; e) int HasStatic::I = 10;

1 3844

class X { private: int a; protected: X(){cout<<"X constructor was called"< 2 4858


class Foo { const int x; protected: Foo(int f); ~Foo(); }; Foo f; Referring to the sample code above, why will the class declaration not compile? a) The variable x is const. b) The destructor is protected. c) The destructor is not public. d) The constructor is protected. e) There is no default constructor.

5 5241

class Foo { public: Foo(int i) { } }; class Bar : virtual Foo { public: Bar() { } }; Bar b; Referring to the above code, when the object 'b' is defined, a compiler error will occur. What action fixes the compiler error? a) Adding a virtual destructor to the class Bar b) Adding a constructor to Bar which takes an int parameter c) Adding "Foo()" to the Bar constructor d) Adding a copy constructor to the class Foo e) Adding "Foo(0)" to the Bar::Bar initializer list

2 7730

Which one of the following describes characteristics of "protected" inheritance? a) The base class has access only to the public or protected members of the derived class. b) The derived class has non-public, inheritable, access to all but the private members of the base class. c) The derived class has access to all members of the base class. d) The private members of the base class are visible within the derived class. e) Public members of the derived class are privately accessible from the base class.

4 7023

The "virtual" specifier in a member function enables which one of the following? a) Monmorphism b) Late binding c) Metamorphism d) Solomorphism e) Inheritance

4 7661

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Un-Answered Questions

Specify the port number for smtp?

5


How do you create MQ in PRPC?

15


what are the points that should be kept in mind during forging design?

161


What is mdb in jms?

62


Can you remember what is directory structure when you downloaded yii?

3






Explain about the configuration of a summary view?

10


What is the difference between a partner and a customer ?

117


pls send me the syllabus questions on rrb section engineer (telecom)

1363


Can windows 10 be used as a server?

5


Which of the following is true regarding the project charter? A. The project charter should be published under the name of a manager external to the project. B. The project charter should be published under the project sponsor's name. C. The project charter should be published under the name of the project manager. D. The project charter should be published under the name of the project champion.

119


Can java run on google chrome?

79


Vector v is c(1,2,3,4) and list x is list(5:8), what is the output of v*x[[1]]?

5


What is the use of dom in html?

59


Is linux illegal?

84


How to pass custom table name in model?

64