Starting Out with Programming Logic and Design (4th Edition)
4th Edition
ISBN: 9780133985078
Author: Tony Gaddis
Publisher: PEARSON
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Chapter 15, Problem 5SA
Explanation of Solution
Event:
When a GUI (Graphical User Interface)
Example:
Consider a program that calculates the sum of two numbers, the user can enter two numbers in the “GUI” designed.
- The user can enter the number that needs to be added.
- The sum will be calculated only when the user click on the calculate button.
- The number that is entered can be modified whenever required until the calculate button is pressed.
- The event is triggered by the user such that the sum of numbers gets calculated.
Event handler:
An event handler is a module is implemented in python program executes automatically when a particular event has occurred.
- If user need a program to execute an operation at that time a particular event occurs, user must create an event handler that reply at that time of event takes place...
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Chapter 15 Solutions
Starting Out with Programming Logic and Design (4th Edition)
Ch. 15.1 - What is a user interface?Ch. 15.1 - How does a command line interface work?Ch. 15.1 - Prob. 15.3CPCh. 15.1 - Prob. 15.4CPCh. 15.1 - Prob. 15.5CPCh. 15.2 - Prob. 15.6CPCh. 15.2 - In an IDE that allows you to visually construct a...Ch. 15.2 - Prob. 15.8CPCh. 15.2 - Prob. 15.9CPCh. 15.2 - Prob. 15.10CP
Ch. 15.3 - Prob. 15.11CPCh. 15.3 - Prob. 15.12CPCh. 15.3 - Look at the following pseudocode and then answer...Ch. 15 - The _________ is the part of a computer with which...Ch. 15 - Before GUIs became popular, the _____ interface...Ch. 15 - Prob. 3MCCh. 15 - A type of program that is typically event-driven...Ch. 15 - An item that appears in a programs graphical user...Ch. 15 - By specifying characteristics such as color, size,...Ch. 15 - An _____ is an action that takes place within a...Ch. 15 - A(n) _____ is a module that automatically executes...Ch. 15 - Many computer users, especially beginners, find...Ch. 15 - Writing a GUI program today is complex and time...Ch. 15 - A components Text property typically holds string...Ch. 15 - Predefined names are given to all of the events...Ch. 15 - A user interface flow diagram shows how a GUI...Ch. 15 - Prob. 1SACh. 15 - What determines how a component appears on the...Ch. 15 - Prob. 3SACh. 15 - Prob. 4SACh. 15 - Prob. 5SACh. 15 - Design an event handler that will execute when the...Ch. 15 - Design an event handler that will execute when the...Ch. 15 - Name and Address Design a GUI program that...Ch. 15 - Latin Translator Look at the following list of...Ch. 15 - Miles-per-Gallon Calculator Design a GUI program...Ch. 15 - Celsius to Fahrenheit Design a GUI program that...Ch. 15 - Property Tax A county collects property taxes on...
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