Application
A computer program or a suite of programs designed to perform a specific task or a set of tasks for an end-user.
1960s
3
Definitions
General Computing Context
In general computing, an application, often called an application program or app, is a type of computer program designed to carry out a specific task that is not related to the operation of the computer itself. It is typically used by end-users. This contrasts with system software, which is involved in running the computer.
Key Concepts
- End-User Focus: Applications are built for the direct use of a person, helping them accomplish tasks like writing a document, browsing the web, or editing a photo.
- Specificity: Each application has a defined purpose or set of functions. For example, a calculator app performs mathematical calculations.
- Platform Dependence: Applications are often developed for a specific operating system (e.g., Windows, macOS, Android, iOS).
Examples
- Word Processors: Microsoft Word, Google Docs
- Web Browsers: Google Chrome, Mozilla Firefox
- Media Players: VLC Media Player, Spotify
- Spreadsheet Software: Microsoft Excel, Google Sheets
Web Development Context
In web development, a web application (or web app) is a client-server computer program in which the client (including the user interface and client-side logic) runs in a web browser. Unlike a static website, a web application provides dynamic, interactive functionality, often connecting to a database to retrieve and store information.
Key Concepts
- Client-Server Architecture: The user interacts with the application through a web browser (the client), which communicates with a remote server over a network (the internet).
- Dynamic Content: The content is generated on the fly based on user input or other parameters, rather than being static.
- Cross-Platform Accessibility: Since they run in a browser, web applications are generally accessible from any device with a compatible browser, regardless of the underlying operating system.
Examples
- Social Media Platforms: Facebook, Twitter
- E-commerce Sites: Amazon, eBay
- Online Banking Portals
- Project Management Tools: Trello, Asana
Mobile Development Context
In mobile development, an application, universally known as an app, is a software program designed to run on a mobile device such as a smartphone or tablet. These are typically downloaded and installed from an app store (like the Apple App Store or Google Play Store).
Key Concepts
- Device-Specific: Mobile apps are built for specific mobile operating systems (iOS or Android).
- Resource-Aware: They are designed to work within the constraints of mobile devices, such as limited battery life, processing power, and screen size.
- Access to Native Features: Mobile apps can often access device-specific hardware and features like the camera, GPS, accelerometer, and push notifications.
Examples
- Messaging Apps: WhatsApp, Telegram
- Ride-Sharing Apps: Uber, Lyft
- Games: Candy Crush Saga, Pokémon GO
Origin & History
Etymology
From the Latin word 'applicatio', meaning 'a joining to' or 'an attaching'. It evolved through Old French 'aplication' to mean the act of applying something for a particular purpose. In the context of computing, it refers to applying software to solve a specific problem or perform a task.
Historical Context
In the early days of computing (1950s-1960s), the distinction between system software and **application programs** emerged. System software managed the computer's hardware, while **application programs** were written to perform specific user-oriented tasks like payroll or scientific calculations on large mainframe computers. The arrival of personal computers in the 1970s and 1980s brought software to a wider audience. **Applications** like word processors (WordStar) and spreadsheets (VisiCalc) became 'killer apps' that drove PC adoption. The term **software application** became common during this era. During the 1990s, the rise of graphical user interfaces (GUIs) in operating systems like Windows and Mac OS made **applications** more intuitive and user-friendly. The internet boom also led to the development of the first web **applications** that could be accessed through a browser. The modern era, starting in the late 2000s, was defined by mobile computing. The launch of Apple's App Store in 2008 popularized the shortened term '**app**' for mobile **applications**. This triggered a massive explosion in the development of small, single-purpose **apps** for smartphones and tablets. Today, the term **application** broadly covers desktop programs, web **applications**, mobile **apps**, and large-scale enterprise software.
Usage Examples
To edit the report, you'll need to open a word processing application like Microsoft Word.
Our team uses a web application called Jira to track bugs and manage project tasks.
He downloaded a new fitness app to his smartphone to track his daily workouts.
The new enterprise software application will streamline our company's entire payroll process.
Frequently Asked Questions
What is the primary difference between application software and system software?
Application software is designed for end-users to perform specific tasks (e.g., writing a document, browsing the web), while system software manages the computer's hardware and provides a platform for applications to run (e.g., an operating system).
Why is the term 'app' more commonly used in the context of mobile devices?
The term 'app' was popularized by Apple's App Store for the iPhone. It refers to smaller, more focused programs designed for the specific constraints and capabilities of mobile devices, and the name became popular due to its brevity and effective marketing.
Can a website be considered an application?
Yes, if it is a web application. While a simple, static website just displays information, a web application is interactive, allowing users to perform tasks, manipulate data, and receive dynamic content, such as an online banking portal or a social media site.