Exam 2: Basic Elements of C++

The expression static_cast<int>(6.9) + static_cast<int>(7.9) evaluates to ____.

A data type is called ____________________ if the variable or named constant of that type can store only one value at a time.

Suppose that sum and num are int variables and sum = 5 and num = 10.After the statement sum += num executes, ____.

A(n) ____________________ is a sequence of zero or more characters.

The memory space for a(n) ____________________ data value is 64 bytes.

If a C++ arithmetic expression has no parentheses, operators are evaluated from left to right.

Suppose we declare a variable sum as an int.The statement "sum += 7;" is equivalent to the statement "sum = sum + 7;".

Suppose that alpha and beta are int variables.The statement alpha = beta--; is equivalent to the statement(s) ____.

A(n) ____________________ is a collection of statements, and when it is activated, or executed, it accomplishes something.

In C++, you can use a(n) ____________________ to instruct a program to mark those memory locations in which data is fixed throughout program execution.

In a C++ program, ____________________ are used to separate special symbols, reserved words, and identifiers.

The maximum number of significant digits in float values is up to 6 or 7.

____ is a valid char value.

The value of the expression 33/10, assuming both values are integral data types, is ____.

The memory allocated for a float value is ____ bytes.

____________________ is the process of planning and creating a program.

Choose the output of the following C++ statement:cout << "Sunny " << '\n' << "Day " << endl;

The declaration int a, b, c; is equivalent to which of the following?

Which of the following is a legal identifier?

In C++, reserved words are the same as predefined identifiers.