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System integration merges multiple applications and devices into a complete software application, with each component considered a module. Modular software development is efficient and imposes logical boundaries between components. Grid computing and object-oriented programming are examples of modular systems.
In computing, system integration is the merging of multiple applications and devices to create a complete software application. Within this integration each component is considered a module for the entire application. A modular system is a computer application made up of components integrated into a larger overall application.
Developing modular applications is similar to building a jigsaw puzzle. Each piece of the puzzle is critical to creating the final product. Typically, advanced computing applications include “customized of the shelf” (COTS) products integrated into a business application. Each COTS product has business rules designed to complete a specific task within the application.
Home computer systems typically include monitors, printers, a camera, keyboard, and mouse. This is an example of a modular system. Each device has a specific purpose for the entire computer system. These devices can be upgraded or changed without affecting other modular components.
Modular software development is an efficient use of the best software components. This process imposes logical boundaries between the components of an application. These components interact using software or hardware interfaces.
Distributed computing is the software design technique that allows software modules to be distributed across hardware platforms. This modular system approach has built-in expansion potential. As demand increases, new servers can be added to the distributed architecture without requiring software changes.
A modular personal computer (PC) is a small computing device that has interchangeable components for operation. This device creates an independence from standard hardware configurations found in laptops and desktops. With the creation of cloud computing, modular PCs will continue to grow in popularity.
Grid computing is an engineering technique that uses the hardware and processing power of multiple computer systems to solve complex problems. The grid computing model represents a modular system. Each computer within the grid is responsible for solving a specific problem for the overall application.
There are several complex problems that require modular thinking. Within computer applications it is important to break down problems into manageable components. For example, building a computer application to solve multiple humanitarian problems would require extremely complex algorithms. By creating separate boundaries for each computer module, coding, testing, and implementation becomes easier.
The object-oriented programming (OOP) paradigm is an example of modular software development. An object is a term used to describe a computer component that consists of specific functions, definitions, and limits. Within OOP it is critical to keep an object definition limited to the data relevant to that object. Multiple objects are combined in the software application to create a complete modular system.
