Single-platform Software - Only works on one type of OS, Cross-platform Software - Works on two or more OS's or devices, Cloud-hosted applications - Web-based applications that run on someone else's server, Application Architecture - The way functions of the application layer software are spread among the clients and servers in the network, n-tier Architecture - Umbrella term for application architecture models, Presentation tier - User Interface (UI), Business logic tier - Processes commands, performs calculations, contains logic and can make decisions, Data tier - Where data is stored, retrieved and updated from the database or file system, Minimum system requirements - Hardware needed for a program to operate properly, Compatability Mode - Allow a newer version of Windows to run an older application, Firewall - Designed to block unauthorized access to a computer system, End User License Agreement (EULA) - Defines how the end user can legally use software, Single Use Program - Commercial software licensed for a single user, Concurrent License - Software license for software to be installed on many PC's but only used by a smaller group at a time, Corporate, Campus, Group or Site License - Permits an organization to install the application on a specific number of PCs, Subscription-based model - Users pay a yearly subscription fee (eg: antivirus program), Product Key - Code used during installation to verify the legitimacy of the software, Registering Software - Providing contact information to the manufacturer, Activating software - Manufacturer locks installed software to a particular PC so it can't be used on multiple PCs, Clean uninstallation - Deleting a software application properly, Software patch - Piece of software that updates a computer program to fix a vulnerability or improve the program, Service pack - Collection of updates, fixes or enhancements to a software program delivered as a single file, Freeware - Software that is available free of charge, but can't be modified (eg: Google Chrome), Open-source - Freely-available programs that may be redistributed and modified (eg: Linux), Shareware - Copyrighted software that is distributed at no cost for a trial period ,

Understanding Application Architecture and Installation (5.1)

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