Tides are caused by the gravitational attractions between the Moon and the Earth. At some times, though, the gravitational pull of the Sun can lead to an even larger tide. The basics of a tide is that they are higher and lower depending on where the Moon is. If the Moon is right over that area, the tide will be low because the Earth is moving in that direction. If the Moon is on the opposite side of the Earth, the tide will be high because the Earth is being Read More

SVGA is an acronym for Super Video Graphics Array and covers a wide range of computer display standards used in the manufacture of computer monitors and screens. The SVGA standard was designed by VESA, the Video Electronics Standards Association. When using SVGA as a direct comparison to other display standards such as XGA (Extended Graphics Array) or VGA (Video Graphics Array) the standard resolution referred to as SVGA is 800*600 pixels. When the SVGA standard was first defined it referred to a resolution of 800*600 4-bit pixels (total number of Read More

Since Apple first released the iPhone, it has gained significant market share in the mobile phone market world-wide. The phone uses 3G and 4G data services in addition to WiFi connection(s). This allows it to be used as a comprehensive communications device from anywhere data services are available. One of the iPhone’s most popular features is allowing users to set custom ringtones for individual callers, SMS text messages, new email, and alarm settings. A common task that iPhone users face is making new ringtones from popular songs or other audio Read More

An Internet repeater is a device that allows amateur radio operators to communicate with each other over the Internet, much like how VoIP software allows telephone operators to communicate with each other over the Internet. Internet repeaters should not be confused with wireless repeaters, which allow users to extend the range of a wireless network. While many amateur radio hosts simply use their radio equipment to stream live radio shows on the Internet, Internet repeaters also allow radio operators to control remote radio locations, such as antennas and other broadcast Read More

ODBC (Open Data Base Connectivity) is an interface to access databases via SQL queries. ODBC can be used as an access tool to various databases such as MS-Access, dBase, DB2, Excel, and Text. Through these Call Level Interface (CLI) specifications of the SQL Access Group, the OBDC allows a neutral way of accessing the data stored in personal computers and various databases. It was first created by Microsoft and Simba Technologies. ODBC 1.0 was initially released in September 1992, and eventually became a part of the international SQL standard in Read More

A chat room is a virtual place on the Internet where people from all walks of life from around the world can get together in one place and textually chat with one another. The only two things a person needs to connect to a chat room are a computer and a internet connection of any speed. There are, however, Chat Rooms that require client programs, as with IRC (Internet Relay Chat). The term chat room was coined by the mass media as the World Wide Web began to take off Read More

  XML (Extensible Markup Language) has become one of the most widely used methods to represent information in a self-describing format across computing devices running all manner of operating systems and programming languages. XML is designed to transport and store information independent of how it may be viewed, displayed, or otherwise processed in a simple, formatted manner. Similar to HTML in concept, the qualities of XML allow it to be used as a universal data format that web services and other applications can leverage to build complex web services or Read More

When Active Directory was launched in Windows 2000, one of its key design features was to ease the process of deploying software within an organization. To this end, Microsoft included the ability to deploy and distribute software with Group Policy. IntelliMirror technologies include Group Policy software installation to simplify the management necessary for large quantities of users and computers. The Software Installation and Maintenance component of the IntelliMirror technologies can be used to publish applications over the network. Publishing is the terminology used to make applications available for installation from Read More

Defining Network Infrastructure A network can be defined as the grouping of hardware devices and software components which are necessary to connect devices within the organization, and to connect the organization to other organizations and the Internet. Typical hardware components utilized in a networking environment are network interface cards, computers, routers, hubs, switches, printers, and cabling and phone lines. Typical software components utilized in a networking environment are the network services and protocols needed to enable devices to communicate. Only after the hardware is installed and configured, can operating systems Read More

Memory cards, also popularly known as media cards and flash cards, are small, detachable devices the main purpose of which is electronic data storage. You can compare them to diskettes in this regard. Moreover, memory cards can store multiple types of data. They can store games and other applications, music; videos, pictures, documents, and a lot more. Memory cards have various applications. They are commonly used for digital photography. They are also used as data storage modules for personal digital assistants (PDA), cell phones, portable music and video players, television, Read More