Cloud introduction


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Cloud introduction The Cloud introduction article describes the layers and basic functionalities of cloud computing. When cloud computing services are delivered, the user does not necessarily know the type of hardware used or the location of the data center. The services may be delivered from many computers spread across multiple data centers. All cloud services […] Read the full post >

Introduction to computing types


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Introduction to computing types Basically, all the different types of computing are developed to increase the capacity and speed to solve problems, reduce costs and to simplify the usage and programming of computers. If you want to know about the principles and functionalities of parallel-, cluster-, grid- and cloud-computing, it’s helpful to learn also (a […] Read the full post >

Software categories


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Software categories introduction Software categories is an approach to show where and why different software is used.  Software is the non physical part of a computer. Software is all the information (aka programs and data) processed by a computer. A program is a sequence of instructions executed by a computer to do a specific task. […] Read the full post >

Cache and Web cache basics


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Cache introduction Caching is a technique to speed up the access to data by using an intermediate device called cache. This intermediate device stores previous accessed data to speed up subsequent requests for this data. Caching can be implemented at different levels : CPU, hard disk, Web server, proxy server and browser. CPU A CPU […] Read the full post >