RPC (Regional Playback Control)

RPC, Regional Playback Control, is a system utilized by DVD manufacturers to limit the use of DVD’s to limited geographic regions. RPC is implemented on most commercial DVD’s and on most DVD players. RPC Regions 0 No Region Coding 1 United States of America, Canada 2 Europe, including France, Greece, Turkey, Egypt, Arabia, Japan and
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Trunking

Traditional radio equipment works because all parties involved in the communication agree on what frequencies they will utilize. Traditional radio scanners work by scanning for and then listening to those frequencies. Trunking radios, on the other hand, constantly renegotiate the frequencies utilized for the conversation. This allows for more efficient utilization of limited frequencies because
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FiOS

FiOS is a special type of data network that is offered to Fiber Optic Subscribers. The existing FiOS network is at a industry high where speed is concerned, as it offers 150 Megabits/second downloads with as much as 35 Megabits/second upload. The speeds of up to 50 Megabits/ second are offered to consumers at very
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Free Backup Software

Constantly backing up is important because computers are not always perfect, and thus can crash, fail, and malfunction without a warning. Therefore, valuable information such as work documents, pictures of families, and videos that you've been working hours on can be lost. Currently, many operating systems already have pre-installed backup programs that are sufficient for
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Understanding Trust Relationships

In the Windows NT domain model, domains had to be bound together through trust relationships simply because the SAM databases used in those domains could not be joined. What this meant was that where a domain trusted another Windows NT domain, the members of the domain could access network resources located in the other domain.
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What is VSWR?

VSWR (Voltage Standing Wave Ratio) is a metric commonly used with antenna systems for ham or shortwave radio communication. VSWR is normally defined as a ratio with a 1:1 VSWR, indicating that there is an exact or perfect match between all antenna system elements. The VSWR can also be expressed by comparing Vmax with Vmin
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