WGU D278 EXAM QUESTIONS WITH |\ |\ |\ |\ |\
ANSWERS
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?
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Equality
1 multiple choice option
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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?
|\ |\ |\ |\ |\
ANSWERS
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
1 multiple choice option
|\ |\ |\
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?
|\ |\ |\ |\ |\
