Starting Out with Programming Logic and Design (5th Edition) (What's New in Computer Science)
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Chapter 15.4, Problem 15.18CP

Explanation of Solution

Non-visual component:

A non-visual component does not graphically appear in the application’s GUI (Graphical User Interface)such as button, text box, or label.

  • It is objects which cannot get in a GUI, however it offer distinct capacity to your programs.

Example for non-visual component:

Some examples for non-visual component are,

  • PhoneCall
  • TextMessage
  • Location

PhoneCall component:

Smartphone’s is a basic hardware component to make call and receive calls. Here, it indicates the PhoneCall component in algorithms.

  • The PhoneCall component has method which has name of makeCall() to make a call to specified phone number.
  • The PhoneCall component has method generates theIncomingCallevent for receiving the call to specified phone number.

TextMessage component:

The important component of smartphone is TextMessage, which helps to send and receive the messages in text format...

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