Exam 2: Basic Elements of C++

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

____ is a valid int value.

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

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

A comma is also called a statement terminator.

The value of the expression 17 % 7 is ____.

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

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

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

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

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

When a value of one data type is automatically changed to another data type,a(n)____________________ type coercion is said to have occurred.

An example of a floating point data type is ____.

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

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

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

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

The expression static_cast<int>(9.9)evaluates to ____.

____________________ functions are those that have already been written and are provided as part of the system.