C++-Institute CPA Exam Dumps

C++-Institute CPA Sample Question Answers

Question # 1

What happens when you attempt to compile and run the following code?#include <iostream> using namespace std; int main() { int i=5; switch(i) { case 1: cout<<"Hello"; break; case 2: cout<<"world"; break; case 3: break; default: cout<<"End"; }  return 0; }

A. It prints: Hello 
B. It prints: world 
C. It prints: End 
D. It prints: Helloworld 

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Question # 2

What happens when you attempt to compile and run the following code?#include <iostream> using namespace std; int fun(int x) { return 2*x; } int main(){ int i; i = fun(1) || fun(2); cout << i; return 0; }

A. It prints: 0 
B. It prints: 1 
C. It prints: -1 
D. Compilation error 

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Question # 3

What happens when you attempt to compile and run the following code?#include <iostream> #include <string> using namespace std; int main() { string s1[]= {"H" , "t" }; string s; for (int i=0; i<2; i++) { s = s1[i]; s.insert(1,"o"); cout << s; } return( 0 ); }

A. It prints: Hoto 
B. It prints: Ho 
C. It prints: to 
D. It prints: Ht 

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Question # 4

What is the output of the program?#include <iostream> #include <string>  using namespace std; class First { string name; public: First() { name = "Alan"; } void setName(string n) {this?>name = n;} void setName() {this?>name = "John";} void Print(){ cout << name; } }; int main() { First ob1,*ob2; ob2 = new First(); First *t; t = &ob1; t?>setName(); t?>Print(); t = ob2; t?>setName("Steve"); ob2?>Print(); }

A. It prints: JohnSteve 
B. It prints: AlanAlan 
C. It prints: AlanSteve 
D. It prints: Johnlan

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Question # 5

What happens when you attempt to compile and run the following code?#include <iostream> #include <string> using namespace std; class A { protected: int y; public: int x, z; A() : x(1), y(2), z(0) {} A(int a, int b) : x(a), y(b) { z = x * y;} void Print() { cout << z; } }; class B : public A { public: int y; B() : A() {} B(int a, int b) : A(a,b) {} void Print() { cout << z; } }; int main () { A b(2,5); b.Print(); return 0; }

A. It prints: 10 
B. It prints: 2 
C. It prints: 5 
D. It prints: 1 

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Question # 6

What happens when you attempt to compile and run the following code?#include <iostream> #include <string> using namespace std; class SampleClass { string *s; public: SampleClass() { s = new string("Text");} SampleClass(string s) { this?>s = new string(s);} ~SampleClass() { delete s;} void Print(){ cout<<*s;} }; int main() { SampleClass *obj; obj = new SampleClass("Test"); obj?>Print(); }

A. It prints: Text 
B. It prints: Test 
C. It prints: TextTest 
D. Garbage value. 

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Question # 7

What happens when you attempt to compile and run the following code?#include <iostream> using namespace std; int main (int argc, const char * argv[]) { int tab[5]={1,2,3}; for (int i=0; i<5; i++) cout <<tab[i]; return 0; }

A. compilation fails 
B. It prints: 12300 
C. It prints: 12345 
D. It prints: 00000 

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Question # 8

What happens when you attempt to compile and run the following code?#include <iostream> using namespace std; class First { public: void Print(){ cout<<"from First";} }; class Second:public First { public: void Print(){ cout<< "from Second";} };void fun(First *obj); int main() { First FirstObject; fun(&FirstObject); Second SecondObject; fun(&SecondObject); } void fun(First *obj) { obj?>Print(); }

A. It prints: from First 
B. It prints: from Firstfrom First 
C. It prints: from Firstfrom Second 
D. It prints: from Secondfrom Second 

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Question # 9

What will be the output of the program?#include <iostream> #include <string> using namespace std;  int fun(int); int main() { float k=3; k = fun(k); cout<<k; return 0; } int fun(int i) { i++; return i; }

A. 3 
B. 5 
C. 4 
D. 5 

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Question # 10

Which code, inserted at line 19, generates the output "23"?#include <iostream> #include <string> using namespace std; class A { int x; protected: int y; public: int z; A() { x=1; y=2; z=3; } }; class B : public A { string z; public: int y; void set() { y = 4; z = "John"; } void Print() { //insert code here } }; int main () { B b; b.set(); b.Print(); return 0; }

A. cout << y << z
B. cout << y << A::z; 
C. cout << A::y << A::z; 
D. cout << B::y << B::z; 

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Question # 11

What happens when you attempt to compile and run the following code?#include <iostream> using namespace std; int main() { int i = 0; do { i++; if (i==3) break; cout<<i; } while(i < 5); return 0; }

A. It prints: 12 
B. It prints: 1 
C. It prints: 0 
D. No output 

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Question # 12

What happens when you attempt to compile and run the following code?#include <iostream> using namespace std; int main() { int i, j; for(i = 0; i < 2; i++) { for(j = i; j < i + 1; j++) if(j == i) continue; else break; } cout << j; return 0; }

A. It prints: 0 
B. It prints: 3 
C. It prints: 2 
D. It prints: 1 

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Question # 13

What happens when you attempt to compile and run the following code?#include <iostream> #include <string> using namespace std; class A { int x; protected: int y; public: int z; A() { x=1; y=2; z=3; } }; class B : public A { public: void set() { y = 4; z = 2;} void Print() { cout << y << z; } }; int main () { B b; b.set(); b.Print(); return 0; }

A. It prints: 42 
B. It prints: 44 
C. It prints: 22 
D. It prints: 2 

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Question # 14

Which code, inserted at line 18, generates the output "AB"#include <iostream> using namespace std; class A { public: void Print(){ cout<< "A";} void Print2(){ cout<< "a";} }; class B:public A { public: void Print(){ cout<< "B";} void Print2(){ cout<< "b";} }; int main() { B ob2; //insert code here ob2.Print(); }

A. ob2?>A::Print(); 
B. ob2.B::Print(); 
C. ob2?>B::Print(); 
D. ob2.A::Print(); 

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Question # 15

What is the output of the program given below?#include <iostream> using namespace std; int main (int argc, const char * argv[]) { enum state { ok, error, warning}; enum state s1, s2, s3, s4; s1 = ok; s2 = warning; s3 = error; s4 = ok;cout << s1<< s2<< s3<< s4; return 0; }

A. 1234 
B. compilation fails 
C. 0210 
D. 1322 

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Question # 16

What happens when you attempt to compile and run the following code?#include <iostream> #include <string> using namespace std; class A { public: int age; A () { age=5; }; }; class B : private A { string name; public: B () { name="Bob"; }; void Print() {cout << name << age; } }; int main () { B b,*ob; ob = &b; ob?>age = 10; ob?>Print(); return 0; }

A. It prints: Bob55 
B. It prints: Bob1 
C. It prints: 10 
D. Compilation error 

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Question # 17

What is the output of the program?#include <iostream> #include <string> using namespace std; int main() { char str[] = "Hello\0\World\0"; cout << str; return 0; }

A. It prints: Hello 
B. It prints: World 
C. It prints: HW 
D. It prints: World\0World 

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Question # 18

What is the output of the program if character “1” is supplied as input?#include <iostream> using namespace std; int main () { int c; cin >> c; try { switch (c) { case 1: throw 20; case 2: throw 5.2f; case 3: throw 'a'; } } catch (int e) { cout << "int exception. Exception Nr. " << e; } catch (float e) { cout << "float exception. Exception Nr. " << e; } catch (...) { cout << "An exception occurred."; } return 0; }

A. It prints: float exception. Exception Nr. 5.2 
B. It prints: int exception. Exception Nr. 20 
C. It prints: An exception occurred 
D. Compilation Error 

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Question # 19

What happens when you attempt to compile and run the following code?#include <iostream> #include <string> using namespace std; const int size = 3; class A { public: string name; A() { name = "Bob";} A(string s) { name = s;} A(A &a) { name = a.name;} }; class B : public A { public: int *tab; B() { tab = new int[size]; for (int i=0; i<size; i++) tab[i]=1;} B(string s) : A(s) { tab = new int[size]; for (int i=0; i<size; i++) tab[i]=1;} ~B() { delete tab; } void Print() { for (int i=0; i<size; i++) cout << tab[i]; cout << name; } }; int main () { B b1("Alan"); B b2; b1.tab[0]=0; b1.Print(); b2.Print(); return 0; }

A. It prints: Alan 
B. It prints: 111 
C. It prints: 011Alan111Bob 
D. It prints: 0 

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Question # 20

What happens when you attempt to compile and run the following code?#include <iostream> #include <string> using namespace std; class A { int x; protected: int y; public: int z; }; class B : private A { string name; public: void set() { x = 1; } void Print() {cout << x; } }; int main () { B b; b.set(); b.Print(); return 0; }

A. It prints: 123 
B. It prints: 1 
C. It prints: ?123 
D. Compilation error 

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Question # 21

What happens when you attempt to compile and run the following code?#include <iostream>  using namespace std; class First { public: void Print(){ cout<<"from First";} }; class Second { public: void Print(){ cout<< "from Second";} }; int main() { Second t[2];for (int i=0; i<2; i++) t[i].Print(); }

A. It prints: from First 
B. It prints: from Firstfrom First 
C. It prints: from Secondfrom Second 
D. It prints: from Second 

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Question # 22

What will variable "y" be in class B?class A { int x; protected: int y; public: int age; }; class B : public A { string name; public: void Print() { cout << name << age; } }; 

A. public 
B. private 
C. protected 
D. None of these 

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