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C++ Programming Basics

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Questions and Answers

What is the correct operator to assign a value to a variable?

= (correct)

What is the index of the first element in an array?

0 (correct)

None of these

What is the purpose of the 'cin' statement in C++?

To display output on the screen

To perform arithmetic operations

To get input from the keyboard (correct)

To declare a variable

What is the boolean operator for logical-and in C++?

&& Signup and view all the answers

What is the correct way to increment a variable by 1 in C++?

c++; Signup and view all the answers

What is the purpose of the 'main' function in a C++ program?

To start the execution of the program Signup and view all the answers

What is the correct way to declare an integer variable in C++?

int x; Signup and view all the answers

What is the purpose of the ';' at the end of a statement in C++?

To end a statement Signup and view all the answers

What is the purpose of grouping bits by four?

Multiplying by 16 Signup and view all the answers

What is the result of the statement int num={ {1,2}, {3,4}, {5, 6} };

Gives an error message Signup and view all the answers

What is the output statement in C++?

cout Signup and view all the answers

What is required to avoid falling through from one case to the next?

break; Signup and view all the answers

In C++, which looping process checks the test condition at the end of the loop?

do-while Signup and view all the answers

What is the correct value to return to the operating system upon the successful completion of a program?

0 Signup and view all the answers

When a data type must contain decimal numbers, what type should be assigned?

double Signup and view all the answers