C Institute CPA-21-02 Quiz 1 Topic 1 Questions 1-5

Question: 1

What is the output of the program given below?

#include

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;

}

A1234

Bcompilation fails

C0210

D1322

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Question: 2

What happens when you attempt to compile and run the following code?

#include

using namespace std;

int op(int x, int y)

{

int i;

i = x + y;

return i;

}

int main()

{

int i=1, j=2, k, l;

k = op(i, j);

l = op(j, i);

cout<< k << "," << l;

return 0;

}

AIt prints: 1,2

BIt prints: ?1,1

CIt prints: 1,1

DIt prints: 3,3

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Question: 3

Which code, inserted at line 12, generates the output "5b"?

#include

using namespace std;

namespace myNamespace1

{

int var = 5;

}

namespace myNamespace2

{

char var = 'b';

}

int main () {

//insert code here

return 0;

}

Acout << myNamespace1::var << var;

Bcout << var << var;

Ccout << myNamespace1::var << myNamespace2::var;

DNone of these

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Question: 4

What happens when you attempt to compile and run the following code?

#include

using namespace std;

int f(int a, int b);

int main()

{

float b;

b = f(20,10);

cout << b;

return 0;

}

int f(int a, int b)

{

return a/b;

}

AIt prints: 2

BIt prints: 5

CIt prints: 10

DIt prints: 0

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Question: 5

What happens when you attempt to compile and run the following code?

#include

using namespace std;

int f(int i);

int main()

{

int i=0;

i++;

for (i=0; i<=2; i++)

{

cout<

}

return 0;

}

int f(int a)

{

return a+a;

}

AIt prints: 202020

BIt prints: 012

CIt prints: 024

DIt prints: 0

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C++ Institute CPA-21-02 Quiz:1 Topic:1 Questions:1-5