Solutions
Which operator should be used to determine if a number is evenly
divisible by 5? Correct Answer - % (modulo)
A variable should hold a person's height in meters.
What data type should the variable be? Correct Answer - 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? 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
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
, 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
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
A function MyFct has an input x and an output z.
What does MyFct return? Correct Answer - z only
What is the return value of a function? Correct Answer -
Output of a function
A program should continue accepting input numbers, adding each to
a sum, until a 0 is input.
Which control structure should be used? Correct Answer -
While loop