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Graphical Programming Basics

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Questions and Answers

What does the `on start` block of code accomplish?

It shows the string 'Hello!' repeatedly.

It runs once when the program starts. (correct)

It stops the program from running.

It shows the heart icons continuously.

Why does the string 'Hello!' only display once while the heart icons loop continuously?

The string is part of the `forever` loop.

The icons have a loop condition preventing the string from repeating.

There is an error in the code preventing repetition.

The `on start` block executes only a single time. (correct)

Which part of the code would cause the heart icons to be displayed repeatedly?

show icon (Small Heart)

on start

forever (correct)

show string 'Hello!'

What kind of programming structure is used in the provided code?

<p>Graphical Programming Language</p> Signup and view all the answers

What is the correct output when the program starts?

<p>Only the string 'Hello!' appears once.</p> Signup and view all the answers

Study Notes

Program Execution

The program begins with a "Start" command.
The program displays the text "Hello!" once.
The program displays a heart icon and a smaller heart icon repeatedly.

Code Blocks

The code is written in a graphical programming language.
The on start block is executed only once when the program starts.
The forever block is executed repeatedly.
The show string block displays text on the screen.
The show icon block displays an icon on the screen.

Code Example

The code example demonstrates how to display text and icons in a program.
The example uses the on start and forever blocks to control the execution of the code.
The show string and show icon blocks are used to display content.

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Description

This quiz covers the fundamental concepts of graphical programming, focusing on program execution with 'Start' commands and display blocks. You'll learn about the importance of the 'on start' and 'forever' code blocks, as well as how to show strings and icons effectively.