A modeling language is an artificial language that can be used to express data, information or knowledge or systems in a structure that is defined by a consistent set of rules. The rules are used for interpretation of the meaning…
This post is about the Windows operating system. Hardware Abstraction Layer (HAL) is part of the kernel, and it uses different code depending on the hardware technology below. MinWin is an internal minimalistic Windows version used just to test the…
Resource Description Framework (RDF) is a methodology to describe and share graph data. There are different syntax notations and formats for RDF. Syntax Notations for RDF Syntax notations for RDF: Turtle Terse RDF Triple Language (Turtle) is the most widely…
This post is about digital signatures. Digital Signature Issues Digital signature issues: Digital Signature Formats Digital signature format:s: XML Signature XML Signature, XMLDSig, DSig-XML o XML-SIG is a general framework for digital certificates. It is issued by W3C. Similar to…
A decision support system (DSS) is an information system that supports decision-making activities. This post is an introduction to decision support system (DSS). Decision Support System Classification There are different DSS taxonmies: Haettenschwiler’s Relationship to the User Taxonomy Haettenschwiler’s classification…
H.323 is a set of standards to provide audio-visual communication sessions on any packet network such as IP networks. It works in the OSI application (level 7) layer. H.323 Components H.323 components: Audio coding formats used by H.323 audio codecs…
This post is an introduction to the concept of organization. This subject is covered on topic 29.2023 of Spain’s AGE CSSTIAE body. Organizational Model Organizational model: Anthony Triangle The Anthony triangle takes a hierarchical view of management structure with the…
This post features applications to design books. List of Book Design Software Book design software featured on this post: Adobe InDesign Adobe InDesign is used by professional publishers. Paid Affinity Professional Freemium Affinity Publisher Affinity Publisher is used by…
This post is about investment appraisal and financial analysis. These methods are explained in CSSTIAE topic 2020.56. Investment Appraisal Concepts Total cost of ownership (TCO) includes the purchase price of a particular asset, plus operating costs, over the asset’s life…
Linux OS or GNU/Linux is a family of Unix-like operating systems based on the Linux kernel and that maintain some level of compatibility. Do not confuse Linux OS or GNU/Linux with the Linux kernel. When there is a need to…