It is an application that runs on a personal computer or workstation and enables you to send, receive and organize e-mail. It’s called a client because e-mail systems are based on a client-server architecture. Mail is sent from many clients to a central server, which re-routes the mail to its … Read more
What is a Database server ?
Database server is the term used to refer to the back-end system of a database application using client/server architecture. The back-end, sometimes called a database server, performs tasks such as data analysis, storage, data manipulation, archiving, and other non-user specific tasks.… Read more
What is cloud database ?
A cloud database is a database that typically runs on a cloud computing platform, such as Amazon EC2, GoGrid, Salesforce and Rackspace. There are two common deployment models: users can run databases on the cloud independently, using a virtual machine image, or they can purchase access to a database service, … Read more
What is NoSQL Database ?
A NoSQL or Not Only SQL database, that provides a mechanism for storage and retrieval of data that is modeled in means other than the tabular relations used in relational databases. Motivations for this approach include simplicity of design, horizontal scaling and finer control over availability. The data structure (e.g. … Read more
What is high definition photo ?
In digital camera terminology, high definition photo is a shooting mode found on some digital cameras that produces a 1920×1080 pixel high-definition (HD) quality photo that will perfectly fit a wide-screen HDTV (16:9) for full-screen viewing. High definition photos, that may also be available on some digital cameras when capturing … Read more
What is HDMI ?
HDMI stands for High-Definition Multimedia Interface. It is the first industry-supported uncompressed, all-digital audio/video interface. It’s a single cable and user-friendly connector that replaces the maze of cabling behind the home entertainment center. HDMI provides an interface between any audio/video source, such as a set-top box, DVD player, or A/V … Read more
What is VGA ?
VGA stands for Video Graphics Array. It is a graphics display system for PCs developed by IBM. VGA has become one of the de facto standards for PCs. In text mode, VGA systems provide a resolution of 720 by 400 pixels. In graphics mode, the resolution is either 640 by … Read more
What is DVD ?
DVD stands for Digital Versatile Disc or Digital Video Disc. It is a type of optical disk technology similar to the CD-ROM. A DVD holds a minimum of 4.7GBof data, enough for a full-length movie. DVDs are commonly used as a medium for digital representation of movies and other multimedia … Read more
What is load balancing ?
Load balancing is a computer networking method for distributing workloads across multiple computing resources, such as computers, a computer cluster, network links, central processing units or disk drives. Load balancing aims to optimize resource use, maximize throughput, minimize response time, and avoid overload of any one of the resources. Using … Read more
What is Linux ?
It is a freely-distributable open source operating system that runs on a number of hardware platforms. The Linux kernel was developed mainly by Linus Torvalds and it is based on Unix. Because it’s free, and because it runs on many platforms, including PCs and Macintoshes, Linux has become an extremely … Read more