What does the cerr represent?

1.	What does the cerr represent?
A.	Standard error stream
B.	Standard logging stream
C.	Input stream
D.	Output stream
E.
Answer» B. Standard logging stream

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What does the cerr represent?
<pre class="result notranslate">#include <iostream>using namespace std;class LFC { public: int x; }; int main() { LFC *p = new LFC(); (*p).x = 5; cout<< (*p).x << " " << p->x << " " ; p->x = 10; cout<< (*p).x << " " << p->x ; return 0; } </pre>19.Which of the following statements is correct when a class is inherited publicly?
<pre class="result notranslate"> Note:Includes all required header filesusing namespace std;//Empty classclass test{}; int main(){ test testObj; cout<</pre>18.What will be the output of the following program?
<pre class="result notranslate"> Note:Includes all required header filesusing namespace std; class sample{ int x;} int main(){ sample obj; obj.x=100; cout<</pre>17.What will be the output of this program?
<pre class="result notranslate">#include <iostream>using namespace std;class LFC { public: int i; void get(); }; void LFC::get() { std::cout << "Enter the value of i: "; std::cin >> i; } LFC t; int main() { LFC t; t.get(); std::cout << "value of i in local t: "<<t.i<<'\n'; ::t.get(); std::cout << "value of i in global t: "<<::t.i<<'\n'; return 0; }</pre>16.What will be the output of this program?
<pre class="result notranslate"> Note:Includes all required header filesusing namespace std; class Test{ static int x; int *ptr; int y;}; int main(){ Test t; cout << sizeof(t) << " "; cout << sizeof(Test *);}</pre>15.Which of the following is true about the following program
<pre class="result notranslate"> Note:Includes all required header files class Test { int x; };int main(){ Test t; cout << t.x; return 0;}</pre>14.Assume that an integer and a pointer each takes 4 bytes. Also, assume that there is no alignment in objects. Predict the output following program.
<pre class="result notranslate"> Note:Includes all required header filesusing namespace std; class Empty { }; class Derived: Empty { int a; }; int main(){ cout << sizeof(Derived); return 0;}</pre>13.What is the output of this program?
<pre class="result notranslate"> Note:Includes all required header filesusing namespace std; class Empty {}; int main(){ cout << sizeof(Empty); return 0;}</pre>12.What is the output of this program?

What does the cerr represent?

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