Ultimate D278 Scripting and Programming
Foundations Exam Prep – Operators, Data Types,
Constants & Expressions|Verified Rationales
Graded A+ Latest Updated 2026
Which operator should be used to determine if a number is evenly divisible by 5?
%
A car drove 200 miles using 10 gallons of fuel.
Which operation should be used to compute the miles per gallon, which is 20?
Division
A variable should hold a person's height in meters.
Which data type should the variable be?
Float
A variable should hold the names of all past U.S. presidents.
Which data type should the variable be?
String array
A program uses the number of seconds in a minute in various calculations.
How should the item that holds the number of seconds in a minute be declared?
Constant integer secondsPerMinute
A program determines if a user's age is high enough to run for U.S. president. The minimum age
requirement is 35.
How should the item that holds the minimum age be declared?
Constant integer minAge
, Given integer x = 3 and integer y = 5.
What is the value of the expression ( x / 2.0) + y?
6.5
Given float x = 10.2 and float y = 1.0.
What is the value of the expression x / y ?
10.2
What kind of operator is the == in the expression i == 20?
Equality
What is the purpose of parentheses () in a programming expression?
To group expressions
Given float x = 3.0.
Which expression evaluates to 2.0?
x / 2 + 0.5 /2 + .25
Which expression evaluates to true only when the user is within 3 years of 21 years, given a
variable x containing a user's age?
( x >= 18) and ( x <= 24)
Which data type is used for items that are measured in length?
Float
Which data type should be used to keep track of how many planes are in a hangar?
Integer
Foundations Exam Prep – Operators, Data Types,
Constants & Expressions|Verified Rationales
Graded A+ Latest Updated 2026
Which operator should be used to determine if a number is evenly divisible by 5?
%
A car drove 200 miles using 10 gallons of fuel.
Which operation should be used to compute the miles per gallon, which is 20?
Division
A variable should hold a person's height in meters.
Which data type should the variable be?
Float
A variable should hold the names of all past U.S. presidents.
Which data type should the variable be?
String array
A program uses the number of seconds in a minute in various calculations.
How should the item that holds the number of seconds in a minute be declared?
Constant integer secondsPerMinute
A program determines if a user's age is high enough to run for U.S. president. The minimum age
requirement is 35.
How should the item that holds the minimum age be declared?
Constant integer minAge
, Given integer x = 3 and integer y = 5.
What is the value of the expression ( x / 2.0) + y?
6.5
Given float x = 10.2 and float y = 1.0.
What is the value of the expression x / y ?
10.2
What kind of operator is the == in the expression i == 20?
Equality
What is the purpose of parentheses () in a programming expression?
To group expressions
Given float x = 3.0.
Which expression evaluates to 2.0?
x / 2 + 0.5 /2 + .25
Which expression evaluates to true only when the user is within 3 years of 21 years, given a
variable x containing a user's age?
( x >= 18) and ( x <= 24)
Which data type is used for items that are measured in length?
Float
Which data type should be used to keep track of how many planes are in a hangar?
Integer
