Free to air receivers (FTAs) are designed to receive unencrypted satellite television and radio programming without paying for a subscription service. By installing a suitable satellite dish and FTA receiver, a consumer is able to enjoy a large number of television channels. Most FTA receivers are designed to receive FTA signals encoded using MPEG-2 video; …
Reading Windows log files is an important part of maintaining proper operation and ensuring system security. In addition, log files can be extremely useful in troubleshooting Windows errors. Only a Windows Administrator can read some Windows log files, such as the Security Event Log. Any system user can view other log files, such as logs …
An Analog Telephone Adapter (ATA), also known as the Analog Telephony Adapter, is an electronic device used to enable one or more analog telephones or facsimile machines for Voice over Internet Protocol (VoIP) calls and faxes. An Analog Telephone Adapter basically creates a physical connection by use of telephone and Internet cables between a conventional …
Mozilla Firefox, which the Mozilla Foundation runs and Netscape owns, is a web browser that allows users to take advantage of thousands of add-ons and plug-ins while browsing the web. Since Mozilla Firefox was specifically designed to be both user friendly and functional, Mozilla Firefox users can easily access administrative options from either the Tools …
The neuron is the cell responsible for the transfer of information and electrical impulses around the body. Neurons work by transferring electrical charges from neuron to neuron to get from one point to another. All data, therefore, is transferred in this electrical fashion which is why computer science has become such an important tool in …
A smart antenna is one that transmits or receives multiple radio frequencies at once. Smart antennas increase data transfer rates and reduce errors by handling several copies of the same information. Conventional antenna systems consist of one antenna that serves as a transmitter and one that serves as a receiver. This is starting to change, …
CSMA/CD (Carrier Sense Multiple Access / Collision Detection) is the protocol used in Ethernet networks to ensure that only one network node is transmitting on the network wire at any one time. Carrier Sense means that every Ethernet device listens to the Ethernet wire before it attempts to transmit. If the Ethernet device senses that …
RGB stands for the three primary colors of light – Red, Green, and Blue. RGB can be described as the computer’s native color space for capturing images and displaying them. As human eyes are sensitive to these primary colors – red, green, and blue – all colors are perceived as a combination of these three …
DirecTV has become one of the most subscribed-to satellite television services in the United States since its initial launch on June 17th, 1994. The DirecTV service provides both digital satellite TV and audio to subscribers located in both the United States and Central America. The primary competitors to DirecTV include major cable TV providers and …
A group can be defined as a collection of accounts that are grouped together so that Administrators can assign permissions and rights to the group as a single entity. This removes the need for an Administrator to individually assign permissions and rights to each account. Therefore, while a user account is associated with an individual …