Unix Like Operating System has POSIX standard in common, which defines certain basic characteristics and these Operating Systems behave like UNIX. Categories and Classification of Unix Like Operating System System architectures of Unix Like Operating System has the advantages of a sophisticated design, security, stability and efficiency. Many Unix Like Operating System names ends … [Read more...]
General
Explanation of different terms used for computer hardware, computer software and in the Internet.
Alternative PHP Cache or APC
Alternative PHP Cache (APC) is an open source add-on module for PHP that provides an accelerated version of PHP programs. The acceleration is achieved by the compiled stored PHP source code avoiding the repeated time-consuming execution. Advanced cache Plugins for WordPress, like WP Total Cache supports Alternative PHP Cache (APC). Details on Alternative PHP Cache or APC As our … [Read more...]
Varnish HTTP Accelerator and Varnish Cache
Varnish is a web accelerator software for dynamic websites with heavy content. Unlike other software Varnish was planned to be developed as Web accelerator. We wrote many Page Speed Optimization guides, among them note worthy is the guide to W3 Total Cache Setup with CloudFlare and CDN. W3 Total Cache gives the option to setup Varnish cache. However, in this article, we will remain mainly on the … [Read more...]
Platform Independence and Cross Platform
Platform Independence and Cross Platform is the property of a program to run on different computer systems with differences in architecture, processor, compiler, operating system and other utilities that are necessary for running the program. The degree of Platform Independence and Cross Platform is known as portability. This means not only the existing platform independence, but also the amount … [Read more...]
CGI or Common Gateway Interface
CGI or Common Gateway Interface is a standard for exchanging data between Web server and third software that handles requests.It is a method for dynamic sites. Other server-side scripting technologies like PHP, ASP has gradually limited the usage of CGI and can be found still on old traditional servers and webpages which shows suspended account webpage. Details of CGI or Common Gateway … [Read more...]
WYSIWYG : What You See is What You Get
WYSIWYG enables an user interface which allows user to view exact to the end result while the document is being typed. WYSIWYG can be a Software or a device. WYSIWYG stands for What You See is What You Get. Today the term WYSIWYG is mainly used to indicate a software. Brief Details of WYSIWYG The first usable WYSIWYG device was set-design-Terminal (SCT), developed by an Austrian … [Read more...]
Computer Simulation : How it Works
Computer Simulation is meant to carry out a simulation using a computer program which describes the simulation model. The Computer Simulation itself rarely directly optimizes the processes under question, such as the aerodynamics of a car. Only by repeated interpretation of Computer Simulation results and building upon changes in the model for a better solution for a given problem can be … [Read more...]
Socket in Computer Network
Socket is a software module that allows a computer program with a computer network to exchange data and connect with other computers. Sockets are also used to switch between processes on the same computer to send data. The communication via socket is usually bi-directional, socket can be both receive and send data. Operation of Socket Socket provide a platform-independent, … [Read more...]
Data Transfer Rate : Details and How it is Calculated
Data Transfer Rate is the unit digital data transmission. The maximum possible data transmission rate, which can be transmitted without error over a channel is called channel capacity. This, together with the latency time (response delay) is a measure of the performance of a channel. A channel, for example, a connection in the computer network to connect to the Internet service … [Read more...]
Electronic Paper : How e-paper Works
Electronic Paper is a display technique that has the appearance of ink and color on paper. E-paper reflect light like ordinary paper, there is no passive light. In this context, function of Organic Light Emitting Diode Display (OLED Display) can be reminded to the readers. Electronic Paper is also known as e-paper, often making a new user confused with web version of News … [Read more...]
Battery : The Everyday Used Powerhouse
Battery interconnection of several similar is galvanic cells or elements. Since 1850 Batteries are powering simple bulb to complex electronic component of 2012. With the development of economically usable rechargeable secondary cells or accumulators, the use of the term "battery" has also extended to the interconnection of several cells from motor vehicles or traction batteries of submarines. Many … [Read more...]