Module 2

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An assignment statement assigns the variable on the left-side of the ____ with the current value of the right-side expression

=

___________ variables are typically used for values that are _________, like 98.6 degrees, 0.00001 meters, or -666.667 grams.

Floating-point measured

Naming style where words are lowercase and separated by an underscore, as in num_apples or people_on_bus.

Underscore separated:

An ___________ _________ assigns a variable with a value, such as x = 5. That statement means x is assigned with 5, and x keeps that value during subsequent statements, until x is assigned again.

assignment statement

Special operators called ________ operators provide a shorthand way to update a variable

compound

An initialized variable whose value cannot change is called a ______________

constant variable

A variable declared as type _______ stores a floating-point number.

double

A floating-point literal using scientific notation is written using an ___ preceding the power-of-10 exponent

e

An expression ________ to a value, which replaces the expression.

evaluates

An _________ is a combination of items, like variables, literals, operators, and parentheses, that evaluates to a value, like 2 * (x + 1). A common place where they are used is on the _____ side of an assignment statement, as in y = 2 * (x + 1).

expression right

A ________-point number is a real number

floating

An assignment statement's left side must be a ________. The right side can be an ________

variable expression

A __________ _________ is a statement that declares a new variable, specifying the variable's ______ and ______

variable declaration name type

__________ ___________ is the process of writing, compiling, and testing a small amount of code, then writing, compiling, and testing a small amount more

Incremental development

_________ variables are typically used for values that are _______, like 42 cars, 10 pizzas, or -95 days.

Integer counted

naming style that abuts multiple words, capitalizing each word except the first, as in numApples or peopleOnBus.

Lower camel case

Floating-point variables are also used when dealing with _______ of countable items, such as the average number of cars per household.

fractions

A ______ is a list of statements executed by invoking the (vocab words)'s name, such invoking known as a _______ _______

function function call

A name created by a programmer for an item like a variable or function is called an _______.

identifier

Increasing a variable's value by 1, as in x = x + 1, is common, and known as ________ the variable.

incrementing

An identifier must: - be a sequence of ______ (a-z, A-Z), ________ (_), and ______(0-9) - start with a _____ or _______

letters underscores digits; letter underscore

scanf and printf use %____ to specify a double type in the string literal

lf

A ______ is a specific value in code like 2.

literal

A floating-point _______ is a number with a fractional part

literal

An _________ is a symbol that performs a built-in calculation, like +, which performs addition.

operator

An expression is evaluated using the order of standard mathematics, such order known in programming as _______________

precedence rules

A good practice is to include a single ______ around operators for readability

space

In a program, a _______ is a named item, such as x or numPeople, used to hold a value.

variable


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