WGU D278 Scripting and Programming Foundations
Exam199 Questions with Verified Answers
Which operator should be used to determine if a number is evenly divisible by 5? -
CORRECT ANSWER %
A car drove 200 miles using 10 gallons of fuel.
Which operation should be used to compute the miles per gallon, which is 20? -
CORRECT ANSWER Division
A variable should hold a person's height in meters.
Which data type should the variable be? - CORRECT ANSWER Float
A variable should hold the names of all past U.S. presidents.
Which data type should the variable be? - CORRECT ANSWER 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? -
CORRECT ANSWER 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? - CORRECT
ANSWER Constant integer minAge
,Given integer x = 3 and integer y = 5.
What is the value of the expression ( x / 2.0) + y? - CORRECT ANSWER 6.5
Given float x = 10.2 and float y = 1.0.
What is the value of the expression x / y ? - CORRECT ANSWER 10.2
What kind of operator is the == in the expression i == 20? - CORRECT ANSWER
Equality
What is the purpose of parentheses () in a programming expression? - CORRECT
ANSWER To group expressions
Given float x = 3.0.
Which expression evaluates to 2.0? - CORRECT ANSWER 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? - CORRECT ANSWER ( x >= 18)
and ( x <= 24)
Which data type is used for items that are measured in length? - CORRECT
ANSWER Float
Which data type should be used to keep track of how many planes are in a
hangar? - CORRECT ANSWER Integer
, A function should convert hours and minutes to seconds, such as converting 1
hour and 10 minutes to 4,200 seconds.
What should be the input to the function? - CORRECT ANSWER Hours and minutes
A function returns a number x cubed. For example, if x is 3, the function returns 3
* 3 * 3, or 27.
What should be the input to the function? - CORRECT ANSWER x
A function calculates the weight difference (Diff) given two sample weights (S1
and S2).
What should be the output from the function? - CORRECT ANSWER Diff
function P(integer x) returns integer y
y=2*x
What does P(5) evaluate to? - CORRECT ANSWER 10
Function F()
Put "Hey" to output
What entire output appears after three successive calls to F()? - CORRECT
ANSWER HeyHeyHey
What is a valid user-defined function name? - CORRECT ANSWER Any valid
identifier
Exam199 Questions with Verified Answers
Which operator should be used to determine if a number is evenly divisible by 5? -
CORRECT ANSWER %
A car drove 200 miles using 10 gallons of fuel.
Which operation should be used to compute the miles per gallon, which is 20? -
CORRECT ANSWER Division
A variable should hold a person's height in meters.
Which data type should the variable be? - CORRECT ANSWER Float
A variable should hold the names of all past U.S. presidents.
Which data type should the variable be? - CORRECT ANSWER 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? -
CORRECT ANSWER 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? - CORRECT
ANSWER Constant integer minAge
,Given integer x = 3 and integer y = 5.
What is the value of the expression ( x / 2.0) + y? - CORRECT ANSWER 6.5
Given float x = 10.2 and float y = 1.0.
What is the value of the expression x / y ? - CORRECT ANSWER 10.2
What kind of operator is the == in the expression i == 20? - CORRECT ANSWER
Equality
What is the purpose of parentheses () in a programming expression? - CORRECT
ANSWER To group expressions
Given float x = 3.0.
Which expression evaluates to 2.0? - CORRECT ANSWER 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? - CORRECT ANSWER ( x >= 18)
and ( x <= 24)
Which data type is used for items that are measured in length? - CORRECT
ANSWER Float
Which data type should be used to keep track of how many planes are in a
hangar? - CORRECT ANSWER Integer
, A function should convert hours and minutes to seconds, such as converting 1
hour and 10 minutes to 4,200 seconds.
What should be the input to the function? - CORRECT ANSWER Hours and minutes
A function returns a number x cubed. For example, if x is 3, the function returns 3
* 3 * 3, or 27.
What should be the input to the function? - CORRECT ANSWER x
A function calculates the weight difference (Diff) given two sample weights (S1
and S2).
What should be the output from the function? - CORRECT ANSWER Diff
function P(integer x) returns integer y
y=2*x
What does P(5) evaluate to? - CORRECT ANSWER 10
Function F()
Put "Hey" to output
What entire output appears after three successive calls to F()? - CORRECT
ANSWER HeyHeyHey
What is a valid user-defined function name? - CORRECT ANSWER Any valid
identifier
