Key Differences:
Application: A software program meant to perform specific tasks independent of the operating system.
Definition: Software that performs specific user-oriented functions.
Types of Application Software:
Productivity Software: Programs used for document creation, data management, and communication.
Collaborative Software: Tools that enable communication and information sharing among users.
Specialized Software: Applications for specific professional tasks, such as design and medical software.
Purpose: Helps users accomplish tasks like writing, data management, and presentations.
Types and Examples:
Word Processing: Microsoft Word, Google Docs.
Spreadsheet Software: Microsoft Excel, Google Sheets.
Email Software: Microsoft Outlook, Gmail.
Basic Database Software: Microsoft Access, LibreOffice Base.
Presentation Software: Microsoft PowerPoint, Google Slides.
Desktop Publishing: Microsoft Publisher, Adobe InDesign.
Function: Assists users in communication and cooperation; shares information across platforms.
Examples:
Online Workspaces: Microsoft SharePoint, Google Docs.
Document Storage/Sharing: Google Drive, Microsoft OneDrive.
Screen Sharing: Windows Remote Assistance, Cisco Webex.
Instant Messaging and Video Conferencing: Zoom, Microsoft Teams.
Description: Tailored software for specific industries.
Types and Examples:
CAD: AutoCAD.
Medical Software: MedClarity, Kareo.
Gaming Software: The Sims, World of Warcraft.
Definition: Large software systems for corporate environments.
Three-Tier Architecture:
Presentation Tier: User interface layer.
Application Tier: Core business logic layer.
Data Tier: Data handling and storage layer.
Examples: ERP systems, CRM solutions, Accounting and Billing systems.
Characteristics: Flexibility and scalability, often developed via Agile methods.
Cloud Computing: SaaS (Software as a Service) is the predominant delivery model.
Platform Definition: Base of hardware and software where applications operate, facilitating connections with other systems.
Insight: An application can function as a platform for performing tasks within organizations.
Examples: RDBMS, Web Server Applications.
Microsoft Visual Studio: IDE for code editing and app building.
OutSystems: A no-code development platform integrating various languages.
AppSheet: No-code platform for citizen developers.
Definition: Technologies and standards defined for web development.
Governed by organizations like W3C, designed for innovation and efficiency.
Components:
Web Browser: Front-end user interaction.
Web Server: Business logic processing and request handling.
Database Server: Data management and storage.
Key Technologies:
Front-End: HTML, CSS, JavaScript frameworks (React, Angular.js, Vue.js).
Back-End: Node.js, Java, Python, PHP (Laravel), .NET, Go, Ruby.
RESTful API: Lightweight, fast.
SOAP: XML-based, requires more resources.
XML-RPC/JSON-RPC: Specific formats for data transmission.
Conclusion: Modern applications are characterized by flexibility and efficiency with an emphasis on cloud computing and user-centered design.