CDN stand for content delivery network or content distribution network. It is a large distributed system of servers deployed in multiple data centers across the Internet. The goal of a CDN is to serve content to end-users with high availability and high performance.
CDNs serve a large fraction of the … Read more
Technical Questions and Answers
This is the technical questions and answers section for to improve your technical knowledge.
What is SVG ?
SVG stands for Scalable Vector Graphics. It is an XML-based vector image format for two-dimensional graphics with support for interactivity and animation. The SVG specification is an open standard developed by the World Wide Web Consortium (W3C) since 1999. SVG images and their behaviors are defined in XML text files. … Read more
What is SMS ?
SMS stands for Short Message Service. It is a text messaging service component of phone, Web, or mobile communication systems. It uses standardized communications protocols to allow fixed line or mobile phone devices to exchange short text messages.
SMS was the most widely used data application, with an estimated 3.5 … Read more
What is PDF ?
PDF stands for Portable Document Format. It is a file format used to present documents in a manner independent of application software, hardware, and operating systems. Each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, graphics, and other information needed to display it. … Read more
What is JPEG ?
It is an Image File Format. JPEG stands for Joint Photographic Experts Group. (.JPG file extension, pronounced Jay Peg). This is the right format for those photo images which must be very small files, for example, for web sites or for email.
In computing, JPEG (seen most often with the … Read more
What is GIF ?
GIF stands for The Graphics Interchange. It is a bitmap image format that was introduced by CompuServe in 1987and has since come into widespread usage on the World Wide Web due to its wide support and portability.
The format supports up to 8 bits per pixel for each image, allowing … Read more
What is a PNG file?
PNG stands for Portable Network Graphics. It is a raster graphics file format that supports lossless data compression. PNG was created as an improved, non-patented replacement for Graphics Interchange Format (GIF), and is the most used lossless image compression format on the Internet.
PNG supports palette-based images (with palettes of … Read more
What is CFL ?
CFL stand for Compact fluorescent lamp. It is also called compact fluorescent light, energy-saving light, and compact fluorescent tube, is a fluorescent lamp designed to replace an incandescent lamp; some types fit into light fixtures formerly used for incandescent lamps. The lamps use a tube which is curved or folded … Read more
What is JavaScript ?
JS (JavaScript) is a dynamic computer programming language. It is most commonly used as part of web browsers, whose implementations allow client-side scripts to interact with the user, control the browser, communicate asynchronously, and alter the document content that is displayed. JavaScript is also being used in server-side network programming … Read more
What is Android ?
It is an operating system based on the Linux kernel with a user interface based on direct manipulation, designed primarily for touchscreen mobile devices such as smartphones and tablet computers. The operating system uses touch inputs that loosely correspond to real-world actions, like swiping, tapping, pinching, and reverse pinching to … Read more