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
Technical Questions and Answers
This is the technical questions and answers section for to improve your technical knowledge.
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
What is XML ?
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