Sacrificial anodes are used in cathodic protection systems in order to protect the primary metallic component(s) from corrosion. A magnesium anode is a type of metal used on boats and ships in order to protect the vessel’s other metallic parts. It first protects the area’s less active metal and acts as a corrosion barrier. How …
DFS (Distributed File System) provides a mechanism for administrators to create logical views of folders and files, regardless of where those files are physically located on the network. DFS also allows administrators to distribute shared folders and work loads across several servers for more efficient network and server resources use. Fault tolerance network storage resources …
Automatic Private IP Addressing (APIPA) Overview DHCP is a service that functions at the application layer of the TCP/IP protocol stack. One of the primary tasks of the DHCP service is to automatically assign IP addresses to DHCP clients. A server running the DHCP service is called a DHCP server. The DHCP service automates the …
With an increasing number of people listening to music via their MP3 player or iPod, it is no wonder that there is such a large demand to play their favorite digital tunes in their vehicle. Unfortunately, for most vehicles, there is no easy way to connect most MP3 players. Due to the high demand, many …
A relational database stores data in separate tables instead of placing all data in one large table. It then allows Data Base Administrators (DBAs) to define relationships between these tables. These relationships enable DBAs to combine data from several tables for querying and reporting. This is accomplished through the use of keys, which are database …
Windows Explorer is the Microsoft file management program that has been bundled with all releases of the Windows Operating System (OS) since Windows 95. Explorer provides the user interface or GUI for the end-user to access the computer's files system. The Windows OS can run without Windows Explorer being loaded, however, most Windows users have …
Unix Shell Scripting Tutorials This Unix shell scripting tutorial provides samples and instructional materials that are easy to understand and useful for Unix shell scripting. It also offers illustrated samples that will helps users explore different avenues of Unix shell scripting. Bourne Shell Programming Tutorial Learn how to use the Unix shell with this …
DSN stands for the Defense Switched Network which is a global phone service used by the United States government capable of both non-secure and secure communications. Traditionally, the DSN network has only been used for voice communications, but in the past decade data and video service have been incorporated into the network through Integrated Services …
An ActiveX control can be defined as a small applet or software component that can be reused over and over again. These encapsulated software programs or applets can either be visual or non visual. They are easy to create and can be included in many applications that run on the Windows platform. For instance, if …
A SD card, or Secure Digital card, is a memory card used in portable devices for non-volatile memory storage. The cards are commonly used in tablet computers, cell phones, digital cameras, and GPS devices. The SD standard was first introduced in 1999 as an improvement over MultiMediaCards. The standard for SD cards is maintained by …