WGU D278 OA | Objective Assessment |
163 Questions and Answers | 2026
Update | 100% Correct
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
Which operator should be used to determine if a number is evenly divisible by 5?
%
A variable should hold the names of all past U.S. presidents. Which data type should the
variable be?
String array
A variable should hold a person's height in meters. Which data type should the variable
be?
Float
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 represents all the values of x, when x is the age ranging from 18 to 24
years old?
(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
What does a programmer do first to use an existing programming library?
Include the library
What relationship is common among a programming library's functions?
Functions all relate to the same purpose.
What is an advantage of using a programming library?
The code has already been tested.
Which language is dynamically typed?
163 Questions and Answers | 2026
Update | 100% Correct
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
Which operator should be used to determine if a number is evenly divisible by 5?
%
A variable should hold the names of all past U.S. presidents. Which data type should the
variable be?
String array
A variable should hold a person's height in meters. Which data type should the variable
be?
Float
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 represents all the values of x, when x is the age ranging from 18 to 24
years old?
(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
What does a programmer do first to use an existing programming library?
Include the library
What relationship is common among a programming library's functions?
Functions all relate to the same purpose.
What is an advantage of using a programming library?
The code has already been tested.
Which language is dynamically typed?
