Questions and Answers
What is an Event Handler?
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?
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What is a Conditional Statement?
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What is an Arithmetic Operator?
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What does the command to pick a random integer do?
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What is an Integer Block?
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What is an Arithmetic operator?
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What is a Boolean?
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What is an Argument?
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What is a Local Variable?
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What does the command to retrieve/grab Variables do?
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What is a Global Variable?
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What is a Boolean Expression?
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What is another definition of a Conditional Statement?
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What does it mean to move the sprite according to the sensor's location?
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What does it mean to get the x/y coordinate from the sensor and display it on the text label?
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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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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.