XML stands for Extensible Markup Language. It is a specification developed by the W3C. XML is a pared-down version of SGML, designed especially for Web documents. It allows designers to create their own customized tags, enabling the definition, transmission, validation, and interpretation of data between applications and between organizations.… Read more
What is schema ?
Schema is the structure of a database system, described in a formal language supported by the DBMS (Database management system). In a relational database, the schema defines the tables, the fields in each table, and the relationships between fields and tables.
Schemas are generally stored in a data dictionary. Although … Read more
What is Database engine ?
Database engine (or storage engine) is the underlying software component that a database management system (DBMS) uses to create, read, update and delete (CRUD) data from a database. Most database management systems include their own application programming interface (API) that allows the user to interact with their underlying engine without … Read more
What is microprocessor ?
A microprocessor incorporates the functions of a computer’s central processing unit (CPU) on a single integrated circuit (IC), or at most a few integrated circuits. A silicon chip that contains a CPU. In the world of personal computers, the terms microprocessor and CPU are used interchangeably. At the heart of … Read more
What is CAPTCHA ?
CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart. It is a type of challenge-response test used in computing to determine whether or not the user is human. The term was coined in 2000[1] by Luis von Ahn, Manuel Blum, Nicholas J. Hopper of Carnegie … Read more
What is LCD ?
LCD stands for Liquid Crystal Display. It is a type of display used in digital watches and many portable computers. LCD displays utilize two sheets of polarizing material with a liquid crystal solution between them. An electric current passed through the liquid causes the crystals to align so that light … Read more
What is GUID ?
It stands for for Globally Unique Identifier. It is a unique 128-bit number that is produced by the Windows OS or by some Windows applications to identify a particular component, application, file, database entry, and/or user. For instance, a Web site may generate a GUID and assign it to a … Read more
What is GPRS ?
GPRS stands for General packet radio service. It is a packet oriented mobile data service on the 2G and 3G cellular communication system’s global system for mobile communications (GSM). GPRS was originally standardized by European Telecommunications Standards Institute (ETSI) in response to the earlier CDPD and i-mode packet-switched cellular technologies. … Read more
What is FTP ?
FTP stand for File Transfer Protocol. It is a standard network protocol used to transfer computer files from one host to another host over a TCP-based network, such as the Internet.
FTP is built on a client-server architecture and uses separate control and data connections between the client and the … Read more
What is SSL (Secure Sockets Layer) ?
Secure Sockets Layer(SSL) is a standard security technology for establishing an encrypted link between a server and a client—typically a web server (website) and a browser; or a mail server and a mail client (e.g., Outlook).
SSL allows sensitive information such as credit card numbers, social security numbers, and login … Read more