Intro CFA 1: App Inventor And Problem Solving

Reviewed by Editorial Team
The ProProfs editorial team is comprised of experienced subject matter experts. They've collectively created over 10,000 quizzes and lessons, serving over 100 million users. Our team includes in-house content moderators and subject matter experts, as well as a global network of rigorously trained contributors. All adhere to our comprehensive editorial guidelines, ensuring the delivery of high-quality content.
Learn about Our Editorial Process
| By Melody Hagaman
M
Melody Hagaman
Community Contributor
Quizzes Created: 1 | Total Attempts: 117
| Attempts: 117
Quiz Flashcard
SettingsSettings
Please wait...
  • 1/11 Questions

    Which of the following is NOT an example of hardware

    • Printer
    • An online game
    • Keyboard
    • Mouse
Please wait...
About This Quiz

This quiz covers key concepts in app development and problem solving using App Inventor, focusing on abstraction, hardware identification, UI components, and reflective processes in problem-solving.

Intro CFA 1: App Inventor And Problem Solving - Quiz

Quiz Preview

  • 2. 

    What is the final step of the problem-solving process?

    • Define

    • Prepare

    • Try

    • Reflect

    Correct Answer
    A. Reflect
    Explanation
    The final step of the problem-solving process is to reflect. After defining the problem, preparing a plan, and trying different solutions, it is important to reflect on the outcomes and evaluate the effectiveness of the chosen solution. Reflection allows for learning from the experience and making improvements for future problem-solving situations.

    Rate this question:

  • 3. 

    The process of keeping important information while removing unnecessary details to simplify a problem is known as.  

    • Input

    • Problem-solving process

    • Abstraction

    • Software

    Correct Answer
    A. Abstraction
    Explanation
    Abstraction is the process of simplifying a problem by keeping only the important information and removing unnecessary details. It allows us to focus on the essential aspects of a problem and ignore the irrelevant or complex details. In problem-solving, abstraction helps in breaking down complex problems into manageable parts, making it easier to understand and solve. It is also a key concept in software development, where programmers use abstraction to create models and representations of real-world objects and processes.

    Rate this question:

  • 4. 

    Which of these is/are part of the User Interface?

    • Sounds

    • Buttons

    • Text

    • All of these

    Correct Answer
    A. All of these
    Explanation
    All of these options - sounds, buttons, and text - are part of the User Interface. Sounds can be used to provide auditory feedback or alerts to the user. Buttons are interactive elements that allow users to perform actions or navigate through the interface. Text is used to display information or instructions to the user. Therefore, all of these elements contribute to the overall user experience and are part of the User Interface.

    Rate this question:

  • 5. 

    A statement that evaluates to true or false is....?

    • Boolean

    • Truth table

    • Abstraction

    • Input

    Correct Answer
    A. Boolean
    Explanation
    A statement that evaluates to true or false is referred to as a Boolean. This term originates from George Boole, a mathematician who developed a system of logic that represents true and false values using the binary digits 1 and 0. In programming and computer science, Boolean is a data type that can have one of two values: true or false. It is commonly used in conditions and logic operations to make decisions or control the flow of a program.

    Rate this question:

  • 6. 

    What was the name of the mathematician from Hidden Figures who calculated the launch coordinates for the moon landing?

    • Katherine Johnson

    • Sylvia Plath

    • Dorothy Vaughn

    • Michelle Obama

    Correct Answer
    A. Katherine Johnson
    Explanation
    Katherine Johnson was the mathematician from Hidden Figures who calculated the launch coordinates for the moon landing.

    Rate this question:

  • 7. 

    A device or component that receives information from a computer; the information a computer gives the user.

    • Output

    • Input

    • Event

    • Software

    Correct Answer
    A. Output
    Explanation
    An output device or component is used to receive information from a computer and display or transmit it to the user. It can be a monitor, printer, or any other device that presents the information generated by the computer. In contrast, an input device is used to provide information to the computer for processing. An event refers to an occurrence or action that triggers a response from the computer system, while software refers to the programs and applications that run on a computer.

    Rate this question:

  • 8. 
    What is the name of a special type of block, indicated by a blue square like the one in this picture, that allows you to change the block? - ProProfs

    What is the name of a special type of block, indicated by a blue square like the one in this picture, that allows you to change the block?

    • If-then

    • Mutator

    • Transformer

    • None of these

    Correct Answer
    A. Mutator
    Explanation
    A mutator is a special type of block that allows you to change the block. It is indicated by a blue square, as shown in the picture.

    Rate this question:

  • 9. 

    Which of these is an example of an input/event?

    • A sound plays on your app

    • The code for your app

    • The user presses a button

    • All of these

    Correct Answer
    A. The user presses a button
    Explanation
    An input/event refers to an action or occurrence that triggers a response in a system. In this case, the user pressing a button is an example of an input/event because it is an action performed by the user that prompts a reaction or response from the app. The sound playing on the app and the code for the app are not examples of inputs/events as they do not involve an external action or occurrence that triggers a response. Therefore, the correct answer is the user presses a button.

    Rate this question:

  • 10. 

    Which of the following would correctly pause the MLKplayer if it's already playing and play the MLKplayer if it is not already playing?

    • Option 1

    • Option 2

    • Option 3

    • Option 4

    Correct Answer
    A. Option 3
    Explanation
    Option 3 would correctly pause the MLKplayer if it's already playing and play the MLKplayer if it is not already playing. This option likely contains the necessary code or command to check the current state of the MLKplayer and determine whether it needs to be paused or played. It may include conditional statements or logic to handle both scenarios effectively.

    Rate this question:

  • 11. 

    What period are you in?

    • 1st

    • 5th

    • 4th

    Correct Answer
    A. 1st
    Explanation
    The given options suggest different periods, and the correct answer is "1st." This implies that the question is asking about the current period the person is in.

    Rate this question:

Quiz Review Timeline (Updated): Apr 5, 2024 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Apr 05, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 18, 2018
    Quiz Created by
    Melody Hagaman
Back to Top Back to top
Advertisement
×

Wait!
Here's an interesting quiz for you.

We have other quizzes matching your interest.