Coaxial Cable - Definition and Uses for Communication by Kundan Upadhyaya
Coaxial cable is defined as two concentric wires, cylindrical in shape, separated by a dielectric of some type. One wire is the center conductor and the other is the outer conductor. A protective jacket covers these conductors. The protective jacket is then covered by an outer protective armor. ... Coaxial cabling is the primary type of cabling used by the cable television industry and is also widely used for computer networks such as Ethernet. ... Most common coaxial cable impedances in use in various applications are 50 ohms and 75 ohms.

Computer Cables by Elizabeth Morgan
Computer cables can be data cables used to move data between various components such as keyboard, CPU, monitor, printer, scanner and other multimedia systems. These cables enable high-speed data transfers within the input and output components of the computer. ... It needs an AC power cable, a high-speed serial bus connector, an USB cable, a digital video cable, and a modem connector cable. ... The ac power cable is just an insulated conductor and gives power to the PC. ... These cables are also sold as a single commodity and are readily available in the market.

Why HDMI? A Change In Cables Can Improve Your A/V Experience In Minutes by Lewis Gunter
I'm going to be blatantly honest with you, perhaps even painfully honest. I work at an Internet Retailer dealing with high tech connectivity accessories. I've written copy on products I've never even had the privilege to test. This is not so much because there's anything wrong with the products. ... HDMI Carries Audio and Video : HDMI cables have the added benefit of carrying video and audio signals with a single cable. ... My friend was able to take back a now-unnecessary SPDIF fiber optic audio cable that cost him a pretty penny.

Cable Modems by Kevin Stith
Cable Modems are made to acquire data through your television. This way, you can access the Internet using a tried-and-true technology, at a reasonable cost. They are mostly used in broadband Internet that usually eats up the unused bandwidth that is sitting in your cable TV network. ... If you’re more concerned about uploading files rather than downloading them, then cable may be a spoiler for you – the better option would be DSL However, DSL may have the same speed as cable. ... There are three types: internal cable modem, external cable modem and the interactive set-top box.

Cabling Your Home for Computer Network - Still a Requirement? by Dmitriy Abaimov
With proliferation of wireless networking and communication equipment it is oh-so-tempting to cut the cord and save a significant sum of money in the process. But is everything that a regular computer networking user needs can be done using just wireless network? ... The standard outlines recommended types of the cables, principals of cable distribution in a single- and multi-dwelling units as well as recommended amount of cables to be installed based on the size of the house. ... With inexpensive adapters called “baluns” the same cable can carry significant number of channels of broadband...

Network Cables by Elizabeth Morgan
A network consists of two or more computers linked together to share resources such as a printer or a scanner, exchange files, and enable electronic connectivity. Network cables are data transmission cables and are used to connect one network device to another. ... The type of cable used for a network depends on the network's topology, protocol, and size. ... The UTP cable is the most popular variety, largely used for school networks as it transfers data at 100 mbps. ... Coaxial cables have a single copper conductor at their center.

Understanding Your PC Cables And Connection Types by Rich Fuller
The beginning A classification for networks: 1. Peer-to-peer networks; 2. Server-based networks. At least two computers form a peer-to-peer network. In a peer-to-peer network there are no dedicated servers, and the there is no hierarchy between computers – all the computers are equal. ... There are two types of twisted cables: • Unshielded Twisted Pair - UTP (unshielded twisted cable) • Shielded Twisted Pair - STP (shielded twisted cable) The UTP cable is cheaper than STP cable, which has a protective shield that protects the transmitted data by eventually interferences.

ADSL Wireless Routers Overview by Michael Sterios
Broadband can enter the home or office through either an ADSL connection or via a cable. An ADSL connection is provided by an ISP and connects with the Internet through a normal telephone line. A cable connection is provided by a cable company and a separate cable needs to be installed, through... A USB modem allows a single USB equipped computer to access the Internet through the ADSL connection. ... An ADSL router is therefore used to connect multiple computers within a home or office network to a single broadband connection, which is used to access the Internet.

Cisco CCNA Certification: How And Why Switches Trunk by Chris Bryant
Your CCNA studies are going to include quite a bit of information about switches, and for good reason. if you don't understand basic switching theory, you can't configure and troubleshoot Cisco switches, either on the CCNA exam or in the real world. That goes double for trunking! ... As you know, there are eight wires inside an ethernet cable. ... For many newer Cisco switches, all you need to do to create a trunk is connect the switches with a crossover cable. ... For instance, 2950 switches dynamically trunk once you connect them with the right cable.

Network+ Exam Certification Tutorial: The Bus Topology by Chris Bryant
The Physical layer of the OSI model isn't the most exciting or interesting to work with, but it's the foundation for everything we do in networking. The same goes for the physical side of networking - whether it's cable types, network topologies, or network cards, it's not necessarily the most... Bus topologies are subject to a single point of failure, and we want to avoid that at all costs! ... The bus segment is a single point of failure - there is no backup way to send data, and an error anywhere on the bus will prevent data transmission by any host.