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Monday, March 1, 2010

Communications Equipment

Communication is specifically related to a process of transferring information from one entity to another. Communication processes are sign-mediated interactions between no less than two elements which share a collection of signs and semiotic rules. Communication may also be defined as "the imparting or interchange of thoughts, opinions, or information by speech, writing, or signs". There are different methods of communication the most common being direct speech between humans. Other facilities can make communication possible, more specifically communications equipment. In modern times the primary types of communications equipment that are use include telephone, radio, television and the computer via the internet.

Telephone

In an analogue telephone network, the caller is connected to the person he would like to speak with by switches at a variety of telephone exchanges. The switches will produce an electrical connection between the two users and the setting of these switches is determined electronically when the caller dials the specific number. Once the connection is created, the caller's voice is transformed into an electrical signal using a small microphone in the caller's handset. This electrical signal is then processed and sent through the network to the user at the other end where it is transformed back into sound by a small speaker in that person's handset. Additionally there is a separate electrical connection that works in reverse, allowing both users to converse. The fixed line also combines digital and analogue transmission to enable long distance calls. The fixed line is becoming far less popular because of the advent of the cellular phone which allows users to be completely mobile.

Radio and television

Within a broadcast system, the central high-powered broadcast tower transmits a high-frequency electromagnetic wave to multiple low-powered receivers. This high-frequency wave sent by the tower is modulated with a signal containing visual or audio information. The receiver is then tuned to enable the instrument to pick up the high-frequency wave and a demodulator is used to retrieve the signal containing the visual or audio information. The broadcast signal can be either analogue which means the signal is varied continuously in relation to the information or digital which means the information is encoded as a set of discrete values. Regardless of the method the outcome will be audio if listening to a radio and audio and picture if watching a television.

The Internet

The Internet is in actuality a worldwide network of computers and computer networks that are able to communicate with each other using the Internet Protocol. A single computer on the Internet has a unique IP address that can be used by other computers to route information to it. Subsequently, any computer on the Internet can deliver a message to any other computer using its IP address. These messages that are sent carry with them the originating computer's IP address allowing for two-way communication. The Internet is therefore, in essence, an exchange of messages between computers. As of 2008, an estimated 21.9% of the world population has access to the Internet with the highest access rates seen in North America with 73.6%, Oceania/Australia with 59.5% and Europe with 48.1%.



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What's in a Cable Bundle For Internet, TV and Phone?

Stating the obvious would be phone service, television service, and Internet service. What is quite as apparent is what you'll get from these different products, and what's available in different packages. I should also point out that bundling doesn't necessarily you have to get all three products. You can get just two, and in most cases it still qualifies you for a bundling discount.

Cable Bundled Packages
You can bundle from two to three services for your package to qualify as a bundle, and possible get a discount. Typically two products is a double play package, and three products is a triple play package. Cable providers don't offer cellular, so there really is no need to mention quad play here.

Cable Television
You'll need at least the basic cable package in most cases to qualify for a discount, and I don't think much explanation is needed here. As part of your cable TV package, you might also have the option to add HD (high definition) channels, and hardware, such as an HD DVR. You could also get a DVR without HD capabilities if you're happy with a standard digital signal, or don't have an HD TV set. A DVR is a digital video recorder that lets you pause, record, and rewind live television, or schedule recordings for movies and shows to watch whenever you have time. You can also add more channels for a little more money for your standard lineup, or get premium movie channel packages. On-Demand and Pay-per-view channels are available as well.

Cable Internet
High-speed Internet connections from your cable provider can range anywhere from download speeds of 756 Kbps, to over 15 Mbps. The faster the speed, the higher the price. A lot of cable providers also offer email, parental controls, and security software as part of the package. You might opt for a standard cable modem, or a cable modem with a wireless router so you can connect to the Internet wirelessly.

Cable Telephone
In recent years cable providers have also offered home phone service, and is often called digital phone service. It's not a landline, but works nearly the same way in that you use a typical house phone to make and take calls. The difference is cable phone uses voip technology versus a landline. There's also a variety of calling plans like just local, or local with a cent per minute long distance plan, or unlimited local and long distance calling.

Cable Bundling Discounts
There are normally discounts available when you bundle your services. Sometimes, and more often than not they do require a contract. What a lot of people don't know is you can adjust your level of service for each product according to your needs. You don't always have to accept the national advertised offers if they're not quite what you need to get a discount.



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Cable Fiber VS Phone Fiber For Internet & TV

With telecom companies like Verizon, and AT&T rolling out fiber optic networks for television and Internet service, it's understandable if one would question if the fiber networks offered by cable companies use the same technology. You may have heard ads on the radio, or TV touting a particular cable providers fiber network, but unless they're speaking of business class services, they never use the word "optic" with fiber.

True Fiber Optic Networks

Both cable, and phone companies use true fiber-optic networks. The discrepancy comes in at what's commonly referred to as "the last mile". A cable providers network is typically fiber to the node, or FTTN, and data is then transmitted from that point to nearby homes and businesses via coaxial cable. On the other hand, some phone companies use the same method, but also offer fiber to the home, or FTTH connections. Currently, Verizon's FiOS network, and AT&T's U-verse are the only networks that deliver via fiber direct your home.

FTTH Connections

This needs a bit of clarification. While U-verse, and fiOS do offer FTTH in some areas, it's first delivered to an access point, or node. From that point it's delivered to the home via coaxial cable, just like the cable providers, or a fiber cable. Hence the term Fiber to The Home, which simply means the point where the fiber optic line is terminated. I know this is a bit confusing, but to make this point once more, an FTTH connections referrers to the "last mile" being a fiber connection versus a coaxial connection.

Fiber Optic Internet

An internet connection over a fiber-optic network is going to be much faster than the old fashioned copper, or coaxial cable, because of the fact data is being transmitted through light pulses through thin strands of glass, instead of electrical pulses over copper resulting in less loss of quality and a greater capacity to carry data. A fiber optic Internet connection is not shared in the last mile the same way cable high-speed is. It's dedicated, so regardless of if it's FTTH, or FTTN, the connection from a phone service provider in theory should be more reliable than with cable.

Fiber Optic TV

The same principals apply here as with fiber Internet. Because of the technologies involved, phone providers using fiber optic network technology now have the ability to match, or ever surpass the quality of cable television providers. If television service is the same, or isn't a factor, it may come down to bundling options for Internet, phone, and TV, since as mentioned before, you're likely to get a better connection through a phone service provider for Internet than you would with a cable broadband connection.



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Want to Trace an Unknown Email Address? Here's How!

The fact that we turn to the internet for every possible query, is nothing to new to anyone. But did you know that, you can even trace unknown e-mail addresses online?... well you can now... with the Reverse Email Look-up facility.

So what is Reverse Email Look-up?

It is a service which provides the facility of looking up the name, address etc of an unknown e-mail address. Basically when you look up a directory, you actually look for the unknown number or e-mail address by the name of the person, but here you look for the name, address etc, by the e-mail address. Since it is the reverse of the normal procedure, it is called a reverse directory.

But what makes people look up an email address?

There could be several reasons, but the few most common are,

o To trace a lost contact
o To find the identity of a prank e-mail sender
o To verify details of an online date
o Look-up a persons exact home address/phone number etc

So what does Reverse Email Look-up really offer?

o You will not only be provided with the basic info like the users name, age, address but also supplementary details like his/her marital status, average income, family background, neighbors etc

o You can access these directories from anywhere you like as long as you have a computer with internet access.

o Your search would be complete within minutes

o You can look up as many number of addresses as you like

o Confidentiality is guaranteed 100% since you yourself will carry out the search

NOT all reverse email information directories are equally Accurate and Reliable.

Those services will only waste your time and money.



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Getting Information From a People Lookup Service

These days, technology plays an important role for almost everyone in the world. It makes life easier for millions around the globe, and one of those technological advances that is really useful is the people lookup service. No matter where in the world you are, it is no problem to find someone (or find information on them). All you need to do is get online, because there are plenty of sites offering people searches. These services will allow you to check up on a potential date, find a lost friend or relative, or check the trustworthiness of an employee.

People lookup tools are an effective way to quickly find important information, such as a persons full name, birth date, and sometimes their address and phone number. It is easy to lose touch with someone- people move away, get married, and otherwise lose track of each other. These tools make it easier to get back in contact with people you care about. Not only can you use these tools to find friends, you can use them to do criminal background checks on people. The people lookup service is popular with employers, because they use them to do preliminary screenings on potential workers. Sure, you can go the old-fashioned route and look through boxes of public records, or hire a private investigator. Or, you can simply use an online people finder, and get the same reliable information faster and cheaper.

There are two types of people lookup services- there are free-to-use versions that provide you with basic (and sometimes out-of-date) information. Far more reliable and more ethical are the for-pay services. These are commonly used to verify peoples background and find legal information. For the best results, you should choose a fee-based provider. Looking for someone used to be a long and drawn out process, but it is not anymore. The online availability of people lookup services makes it easy to find a friend or relative, or to check up on someone. Most provide great information for a nominal fee, and they are a discreet and convenient way to get what you need.



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