D278 - Scripting & Programming UPDATED ACTUAL Exam Questions and CORRECT Answers

D278 - Scripting & Programming UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Variable - CORRECT ANSWER - A named item used to hold a value.


Ex: x, numItems, numPeople


Assignment Statement - CORRECT ANSWER - Assigns a variable with a value.


Example: The example states that x is assigned to 5.


x=5


Variable Declaration - CORRECT ANSWER - A statement that declares a new variable,
specifying the variable's name and type.


Integer - CORRECT ANSWER - A whole number. Commonly used to count items.


Example: 1, 999, 0, -25.


Identifier - CORRECT ANSWER - A starts with a letter, can contain a sequence of letters,
digits, and underscores.


Example: num_Cars1, numCars, num__Cars


Reserved Word (Key Word) - CORRECT ANSWER - A word that has a special meaning
in a programming language and therefore cannot be used as a name by the programmer.

, Examples: Get, Put


Naming Conventions - CORRECT ANSWER - A set of style guidelines defined by a
company, team, teacher, etc., for naming variables.


Are case-sensitive.


Uses Camel Case: capitalizing each word except the first.


Underscore Separated: words are lowercase and separated by underscores.


Expression - CORRECT ANSWER - A combination of items like variables, literals,
operators, and parentheses that evaluates to a value.


Example: x is 3
2 * (x + 1) = 8


Literal - CORRECT ANSWER - A specific value in code, like 2.



Operator - CORRECT ANSWER - A symbol that performs a built-in calculation.


Example:
*/+-


Precedence Rules for Arithmetic Operators - CORRECT ANSWER - Rules used to
evaluate an expression in a certain order.


1. ( ) - Items in parentheses.