Exam 2: Basic Elements of C

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

Suppose a = 5. After the execution of the statement ++a; the value of a is 6.

The ____ rules of a programming language tell you which statements are legal, or accepted by the programming language.

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

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

Suppose that sum is an int variable. The statement sum += 7; is equivalent to the statement sum = sum + 7;

Consider the following code. // Insertion Point 1 using namespace std; const float PI = 3.14; Int main() { $\quad$ //Insertion Point 2 $\quad$ float r = 2.0; $\quad$ float area; $\quad$ area = PI * r * r; $\quad$ cout << "Area = " << area << endl; $\quad$ return 0; } // Insertion Point 3 In this code, where does the include statement belong?

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

A comma is also called a statement terminator.

The length of the string "computer science" is ____.

Suppose that alpha and beta are int variables and alpha = 5 and beta = 10. After the statement alpha *= beta; executes, ____.

The value of the expression 17 % 7 is ____.

Suppose that count is an int variable and count = 1. After the statement count++; executes, the value of count is ____.

____ are executable statements that inform the user what to do.

The maximum number of significant digits in values of the double type is 15.

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

____ is a valid int value.

Which of the following is a legal identifier?

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

In a C++ program, one and two are double variables and input values are 10.5 and 30.6. After the statement cin >> one >> two; executes, ____.