Software as a Service and Related Concepts

These flashcards cover key terminology and concepts related to Software as a Service, cloud computing, database management, and software development methodologies.

Software as a Service (SaaS)

A software distribution model in which applications are hosted by a service provider and made available to customers over the internet.

Closed Source Software

Software whose source code is not available to the public and can only be modified by the company that owns it.

Open Source Software

Software that allows anyone to access and modify the source code.

Cloud Computing

The delivery of computing services over the internet, allowing for storage and processing of data in remote servers.

Total Cost of Ownership (TCO)

The complete cost of owning a software system, including initial costs, maintenance, and operational expenses.

Freemium Pricing Model

A business model that offers basic services for free while charging a premium for advanced features.

Distributed Computing

A computing paradigm that breaks tasks into smaller parts, with different tasks being executed in different locations.

Data Redundancy

The unnecessary repetition of data that can lead to inefficiencies and increased processing time.

Database Management System (DBMS)

Software that is used to create, maintain, and manipulate databases.

Structured Query Language (SQL)

The standard programming language used for managing and manipulating relational databases.

Metadata

Data that describes other data, providing context and details that help in understanding the content.

User Application

Software designed to help the user perform specific tasks like spreadsheets, word processing, and more.

Primary Key

A unique identifier for a data record in a table in a database.

Foreign Key

A field in one table that links to a primary key in another table, establishing a relationship between the two.

Agile Development

A software development methodology that promotes iterative development, collaboration, and flexibility.

Waterfall Model

A sequential design process used in software development where progress is seen as flowing steadily downwards through phases.