SOLUTIONS 2024/2025
Which operator should be used to determine if a number is evenly divisible by 5?
% (modulo)
A variable should hold a person's height in meters.
What 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
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
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
, 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?
Hours and minutes
Function F() Put "Hey" to output What entire output appears after three
successive calls to F()?
HeyHeyHey
What is a valid user-defined function name?
Any valid identifier
A function MyFct has an input x and an output z.
What does MyFct return?
z only
What is the return value of a function?
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?
While loop
Joe is building an online game. He wants to provide a riddle and have the player
guess the answer. The game needs to prompt the user to enter the answer, check
to see if it the input provided does not match the correct answer, and continue
prompting the user until the answer entered matches the correct answer.
Which control structure supports Joe's needs?
Do-while loop
x=3
do
Put x to output
Put " " to output
x=x-1
while x > 0
321
What is the loop expression in the following pseudocode?
i=0
while i < 20
Put i to output
i=i+1
i < 20
What is the loop variable initialization in the following pseudocode?
y=0
s = 100.0