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StudBud Administration
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Answers
1
What is the result of the expression 17 ÷ 8 using modulo?
25
2 with a remainder of 0
2 with a remainder of 1
2
2
Which of the following best describes the relationship between programming and algorithms?
An algorithm is a type of programming language
Programming and algorithms are unrelated concepts
algorithm is set of instructions that can be used using a programming langu
Programming is the process of developing an algorithm
3
Which of the following is NOT a characteristic of a good algorithm?
It is distinct and clear
It is efficient and solves the problem in the fewest steps possible
t can be applied to any problem, even if it is unrelated to the task
It produces the correct output for all possible inputs
4
What does the modulo operation do?
It multiplies two numbers and returns the result
It subtracts two numbers and returns the difference
It divides two numbers and returns the remainder
It divides two numbers and returns the quotient
5
Why is it important to plan your program and user interface before starting development?
It makes the app look more attractive
It reduces the overall development time
It prevents the need for major redesigns later on
It allows you to add more features later
6
When algorithm has multiple possible paths depending on conditions.What type of control structure does it include?
Function
Sequence
Conditional
Loop
7
What is a "variable" in programming?
A part of an algorithm that determines the output
A placeholder used to store data
A type of error that occurs during execution
A function that performs a task
8
When working with MIT App Inventor, what is a key step in creating a user interface?
Focusing on the backend database
Writing all the program logic first
Testing the app with users before designing
Adding layout components and adjusting their properties, rename components
9
How does the modulo operation simplify the logic of tracking pizzas?
It calculates the number of full pizzas needed directly
It provides the exact total number of pizzas required
It keeps track of the number of pizza orders without needing to count slics
It checks if the number of slices exceeds 8 and adds a pizza
10
Which of the following would you use to calculate the modulus when determining the number of pizzas needed?
A division block
A subtraction block
A multiplication block
A modulo block
11
How does the modulo operation help in determining when to order another pizza?
It checks if the number of slices is a multiple of 8 and orders a pizza
It adds 1 to the pizza count every time 8 slices are reached
It keeps track of the total number of slices
It calculates the total number of pizzas needed
12
What is the purpose of an algorithm in computer science?
To provide a step-by-step solution to a problem
To create a blueprint for building hardware
To manage a computer's memory storage
To define a set of rules for communication between systems
13
What is a key consideration when developing a user interface for an app?
The app's background color
The ease with which the user can interact with the app
The app's network connection speed
The app's ability to run on multiple devices
14
If a user taps 10 times to get slices, how many pizzas would be ordered using modulo?
2 pizzas
1 pizza with 2 slices remaining
1 pizza
1 pizza with 2 pizzas needed for the remainder
15
In the context of computer science, what is "debugging"?
Testing the program to ensure it meets user requirements
Identifying and fixing errors in a program
Writing the initial code for a program
Translating code into machine language
