Computer Science Flashcards
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Questions and Answers

What is an Event Handler?

  • A type of variable in programming.
  • A section of a database.
  • A method for sorting data.
  • A piece of code that responds to an event. (correct)
  • What is a Procedure?

    A small section of a program that performs a specific task.

    What is a Concatenate block?

    The block used for joining two strings together.

    What is a Text String?

    <p>A text block.</p> Signup and view all the answers

    What is a Conditional Statement?

    <p>A statement that can be written in if-then form.</p> Signup and view all the answers

    What is an Arithmetic Operator?

    <p>Part of most programming languages and includes addition, subtraction, multiplication, division, and modulus operators.</p> Signup and view all the answers

    What does the command to pick a random integer do?

    <p>Picks a random integer/number between the two numbers listed.</p> Signup and view all the answers

    What is an Integer Block?

    <p>Unknown.</p> Signup and view all the answers

    What is an Arithmetic operator?

    <p>A symbol, such as +, -, *, or /, used in a formula to perform arithmetic calculations.</p> Signup and view all the answers

    What is a Boolean?

    <p>A single value of either TRUE or FALSE.</p> Signup and view all the answers

    What is an Argument?

    <p>Unknown.</p> Signup and view all the answers

    What is a Local Variable?

    <p>A variable that can only be accessed from a specific portion of a program.</p> Signup and view all the answers

    What does the command to retrieve/grab Variables do?

    <p>Unknown.</p> Signup and view all the answers

    What is a Global Variable?

    <p>A variable that can be used in any part of the program.</p> Signup and view all the answers

    What is a Boolean Expression?

    <p>Unknown.</p> Signup and view all the answers

    What is another definition of a Conditional Statement?

    <p>A statement that can be written in if-then form.</p> Signup and view all the answers

    What does it mean to move the sprite according to the sensor's location?

    <p>Unknown.</p> Signup and view all the answers

    What does it mean to get the x/y coordinate from the sensor and display it on the text label?

    <p>Unknown.</p> Signup and view all the answers

    Study Notes

    Event Handling and Code Structure

    • An Event Handler is a code component that reacts to specific events triggered within a program, allowing for interactive applications.
    • A Procedure refers to a defined segment within a program that accomplishes a particular function or task, promoting code reusability and organization.
    • A Conditional Statement is structured in an if-then format, facilitating decision-making in code execution based on specific conditions.

    String Manipulation and Data Types

    • The Concatenate block is essential for merging two strings, thereby enabling dynamic string formation in programs.
    • A Text String represents a sequence of characters, crucial for any text manipulation or display within applications.
    • An Arithmetic Operator includes symbols such as +, -, *, /, fundamental for performing mathematical computations in programming languages.

    Randomness and Variables

    • The function to pick a random integer/number generates a value within a specified range, useful in gaming and simulations.
    • An Integer Block refers to a data type that holds whole numbers, playing a significant role in numerical calculations and logic.
    • A Local Variable can only be accessed within a designated block of code, enhancing security and memory management. In contrast, a Global Variable can be utilized throughout the entire program, allowing broader access but potentially increasing complexity.

    Boolean Logic and Expressions

    • Boolean signifies a data type with two possible states: TRUE or FALSE, widely used in conditional logic.
    • A Boolean Expression evaluates conditions to return a Boolean value, forming the basis for control flow and decision-making in programs.

    Interactivity and Coordinate Systems

    • A sprite can be moved based on sensor inputs, enabling responsive animations and interactions in games or visual applications.
    • The process of retrieving x/y coordinates from sensors and displaying them on a label allows for real-time visualization of spatial data, enhancing user interface and interactivity.

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    Description

    Test your knowledge of key computer science terms with these flashcards. Explore definitions for essential concepts such as event handlers, procedures, and conditional statements. Enhance your understanding of programming fundamentals through quick recall.

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