A new trend now-a-days is to connect your TV to your PC and record television shows directly to your computer. This may have seemed like an insane dream a decade ago but believe it or not, there are many methods that exist today that allow you to record television shows to your computer to watch …
A fractal antenna is a diamond-shaped antenna that maximizes the total amount of material within a given amount of space that transmits or receives electromagnetic waves. Fractal antennas do this by making each section of the antenna its own separate dipole. Because of this design, fractal antennas operate at many different frequencies and wavebands, allowing …
Active Directory (AD) is a structure used on computers and servers running the Microsoft Windows operating system (OS). AD is used to store network, domain, and user information and was originally created by Microsoft in 1996. It was first deployed on Microsoft Windows 2000. Active directories provide a number of functions to include providing information …
An IFL, or Interfacility Link, is a cable system that is used in facilities to connect an outdoor unit and an indoor unit. An outdoor unit refers to the satellite receiver or coaxial cable that connects a service provider to a company while an indoor unit refers to the coaxial cables, routers, or transmitters inside …
A proxy server is one that receives requests intended for another server and that acts on the behalf of the client (as the client proxy) to obtain the requested service. It is often used when the client and the server are incompatible for direct connection. For example, the client may be unable to meet the …
The majority of non-computer professionals think of a DMZ as the strip of land that serves as the buffer between North and South Korea along the 39th parallel north created as part of the Korean Armistice Agreement in 1953. In the computer security field; however, the DMZ (Demilitarized Zone) is either a logical or physical …
A ferrofluid is a metallic liquid that becomes magnetized when placed in a magnetic field. Ferrofluids are made up of clumps of iron nanoparticles that are evenly placed throughout a carrier fluid such as water or organic solvent. These clumps all work together to create a response to a magnetic field, consequently creating a very …
Backing up Active Directory is essential to maintaining an Active Directory database. Users can back up Active Directory with the Graphical User Interface (GUI) and command-line tools that the Windows Server 2003 family provides. Users should frequently backup the system state data on domain controllers so that they can restore the most current data. By …
ISDN (Integrated Services Digital Network) is a system of digital phone connections that has been designed for sending voice, video, and data simultaneously over digital or ordinary phone lines, with a much faster speed and higher quality than an analog system can provide. ISDN is basically a set of protocol for making and breaking circuit …
In order to understand how sunspots effect radio reception, you need to understand that the light waves and radio waves that the sun emits are both categorized as electromagnetic (EM) radiation. While light waves are visible to the human eye, they are still electromagnetic waves that oscillate. There are many electro magnetic waves, some oscillate …