Understanding the FAT File Systems The FAT file system was initially introduced with the MS-DOS operating system (OS) when hard disks were generally much smaller, and the structure of folders was not as intricate as it is in networks today. The FAT file system continues to be supported by each Microsoft OS since its advent. …
Luminol is a substance that has a blue or green glow when it comes in contact with blood, certain metals, or other oxidizing agents. It is made from hydrazine and hydrogen peroxide and exhibits chemiluminescence, the process by which light is emitted from a chemical reaction. Luminol has many uses, but is most widely used …
A range extender is a device that can be placed between two connection points in order to bounce a wireless signal from one device to another. Range extenders work great for large offices and factories that need high-speed Internet throughout the premises without running cables or purchasing satellite Internet. Range extenders can be used with …
In a very simple sense, a capacitor is a device that stores energy in an electric field between two charged "plates" for a short period of time. The electric charge is then used or dissipated at an appropriate time. The capacitor essentially works along the same lines as the battery you might find in a …
Windows error 815 occurs when a Windows computer fails to make a DSL connection. This code replaces traditional error codes 676, 678, 691, and 769 from Windows XP, and no less than four different causes trigger it. The error’s four possible causes include DSL server problems (or an indicator that the phone line is busy), …
PCMCIA stands for Personal Computer Memory Card International Association, an international standards body and trade association based in San Jose, California. Founded in 1989, PCMCIA aimed to create a standard for connecting peripherals to portable computers. PCMCIA developed the PC Card. PC Card or PCMCIA Card PC Cards are credit card sized removable devices designed …
Parental Control Settings on a PS2 allow parents to specify which movies their children are allowed to watch. While a PS2’s Parental Control Settings do not allow parents to specify times that the PS2 is accessible, they do allow parents to specify which ratings a DVD or game can have in order to be played …
The Session Layer is Layer 5 of the OSI (Open Systems Interconnection) Model of computer networking. The Session Layer is directly after the Transport Layer and before the Presentation Layer, allowing it to interact with applications as well as network components. The Session Layer is responsible for opening, maintaining, and closing all sessions between multiple …
Access lists are used to control and manage access of interesting and non interesting traffic. Access lists are powerful tools for controlling access both to and from network segments. They can filter uninteresting packets and be used to implement security policies. Using the right combination of access lists, network managers will be armed with the …
Having a glossy logo is common with today’s sleek website interfaces. Creating one yourself is simple with the right software and a set of instructions to walk you through the basics. You will need to open your version of Adobe Photoshop (This tutorial uses 7.0, but all versions carry the same tools and can produce …