Definition
An applet is a small, lightweight application or utility designed to perform a specific task or set of tasks within the context of a larger program. Applets are often used to extend the functionality of more comprehensive software applications. The term is most commonly associated with Java programs that are executed within web browsers or embedded environments, but it also applies to any small software components in various contexts.
Examples of Applets
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Windows Accessories: In Microsoft Windows, several tools available in the Accessories folder are applets. Examples include:
- Notepad: A simple text editor.
- Calculator: A utility for performing mathematical calculations.
- Snipping Tool: A screen-capture utility.
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Microsoft Office: Microsoft Office includes several applets that enhance functionality:
- Draw: A basic drawing tool for creating vector graphics.
- Graph: A utility for creating and editing graphs.
- Equation Editor: A tool for creating and editing mathematical equations.
Frequently Asked Questions (FAQs)
What is the primary purpose of an applet?
Applets are designed to perform specialized tasks within a larger application framework, thereby enhancing the functionality of that application without significantly increasing its complexity or resource usage.
How do applets differ from full-fledged applications?
Applets are typically smaller, simpler, and less resource-intensive than full-fledged applications. They are often designed to run within a host environment, such as a web browser or a larger software application, rather than as standalone programs.
Can applets run independently?
Generally, applets are designed to run within a larger application or host environment. However, some applets might be capable of running independently if they include the necessary components to execute on their own.
What are common uses of applets in computing?
Applets are frequently used for tasks like text editing, calculations, drawing, and data visualization within larger software environments. They can also be used in web applications to perform interactive functions, such as real-time data updates or multimedia presentations.
Are Java applets still commonly used?
Java applets were once widely used for embedding dynamic content in web pages, but their use has declined due to security concerns and the advent of more modern web technologies like HTML5, CSS3, and JavaScript.
Related Terms with Definitions
- Widget: A graphical user interface element that displays information or provides a specific way for a user to interact with the operating system or an application.
- Plugin: A software component that adds specific features or functionalities to an existing computer program.
- Module: A self-contained, smaller part of a larger software system with a specific function, often used to divide the development work or allow for selective feature inclusion.
- Utility Program: Software designed to help analyze, configure, optimize, or maintain a computer system.
Online References
Suggested Books for Further Studies
- “Programming Java Applets” by Jeffrey J. Bryan
- “Java: A Beginner’s Guide” by Herbert Schildt
- “Advanced Web Programming” by Chris Bates
- “Understanding Computers: Today and Tomorrow” by Deborah Morley
Fundamentals of Applet: Computing Basics Quiz
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