How to Fix an Error Accessing the System Registry Easily

The system registry is an important component to practically every computer, and it would actually be considered a pile of electronics if the system registry was not included. It is essential for computers based on Windows, since it is the storage location for the hardware, software, and pretty much everything that makes the computer run.

Changes and updates go directly through the system registry for storage, but sometimes things do not always go as smoothly as we wish. Not many know what to do about an error accessing the system registry, but it must be fixed in order to keep your computer running.

An error accessing the system registry is not very uncommon, and it usually occurs when old files or updates are still located within the registry. The error can occur when new updates are downloaded, new programs installed, or even when new software is being added to your computer. A window will usually pop up stating “error accessing the system registry” and not much can be done until the error is fixed.

It can result from old updates being left in the system, or even old files that were not deleted when a download or installation was incomplete. The best way to get rid of the error accessing the system registry is to find out the problem, get rid of old files, and start fresh with new updates and software to keep your computer running smooth.

Because the error accessing the system registry can occur for a number of different reasons, it can sometimes be hard to locate the specific problem. The first step is to determine what exactly triggered the error, such as a new download, new software being installed, or updates occurring to current software on the computer.

The error is most common when updates occur or when updated software is installed, since most likely older versions are still being kept within the registry. In this case, the error accessing the system registry can be easily correct. First off, the installation or update needs to be stopped. Then the system registry can be accessed by the computer owner, and software can be purchased or downloaded to fix this problem.

One of the best options for getting rid of an error accessing the system registry is a registry fix program, since it goes in and does all of the work for you. Rather than trying to find the damaged files and delete them yourself, the program knows exactly what to look for and get rid of for the error to go away.

Not only will a registry fix help to get rid of the problem occurring now, it can even help to get rid of any files and old updates that may cause problems in the future. It is beneficial for clearing your computer of any unnecessary files or programs that may be causing it to run slow, and can even prevent an error accessing the system registry in the future.

A registry fix program can either be downloaded online or purchased at an electronics store, and is a great way to fix an error accessing the system registry. It does all of the work for you, and can even improve the overall performance of your computer. It can get rid of old files, partial updates, or even programs that are no longer needed, and is perfect for fixing your error accessing the system registry.

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How Useful is CAD Software to Engineers and Architects?

The emergence of advanced technology has made people today dependent on machines. Using computers and software, for example, is a very common illustration of this. Computer experts are coming up with more and more software to make more and more jobs easier.

A more specific illustration of this can be found in the modern approach towards engineering and architecture. These days, professionals in these fields use CAD computer software which is a program that allows them to create designs faster, easier and with more accurate measurements. Aside from the convenience that CAD software brings, it also helps put architects and engineers ahead of their competitors. CAD, which can render designs that are two-dimensional or three dimensional, stands for Computer Aided Design and has been in use since 1982.

So how does CAD computer software work? And what does it do exactly to help engineers and architects? The program is actually multifaceted in the sense that there are many ways it can help. To make CAD work will require, however, a careful study of its features and the many ways it can be used. It is rather a complex yet flexible and highly functional program.

This article will not be enough to discuss the various ways that CAD works but pinpointing its advantages could give some very good ideas. One great advantage of CAD computer software is its easy-to-use tools in the creation and alteration of designs. Obviously, this is so much better than the old fashioned way of using a pencil and eraser directly on paper. This method of designing is obviously so much easier and engineers and architects simply have more time to finish other tasks. In other words, high productivity is going to be the main end result of using CAD.

Before the design is actually printed on paper, CAD also allows both the design professional and the client to preview what has been finished so far. Any alterations can be made simply by manipulating the drawing through the use of the software. With CAD, it is so much easier to spot errors because the designs can be rendered exactly as they would be in reality. Hence, modifications can be done even before printing, thus, allowing one to save.

With the tough competition that everyone has to face these days, it is wise to take advantage of new technologies that can help put them ahead in the race. While traditional methods hold a significant part in the history of design, advanced tools such as CAD software should only be welcomed as man’s way of furthering development in a field of expertise that he himself has created long ago.

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Best Windows 7 Optimizer That Can Stabilize and Improve Your Computer Performance

A system optimizer is a software designed to maintain the performance of your computer, fix software related problems and keep your computer stable and secure. The need of a system optimizer software in Microsoft Windows7 operating system is high. This is because Windows 7 itself is unable to maintain all the mentioned aspects without the help of third-party products.

We are going to learn what exactly Windows 7 optimizer software is.

The best Windows 7 optimizer software shall include all the following features:

1. Registry Cleaner to fix the registry related issues

2. System Cleaner to clean unnecessary stuff and free-up the disk space

3. Registry Defragmenter to defrag the system registry

4. Startup Manager to control the programs running when you turn on your computer

5. Backup & Restore feature to restore unfavourable registry changes

“Registry Cleaner” to Fix the Registry Related Issues

Windows Registry is a vital component in Microsoft Windows 7. It contains information stored by your operating system and installed software. For example, the default settings, changes you made to your computer, system information, runtime data, etc. are stored.

Registry Cleaner is a software that finds the junk entries in the registry, and repairs them as far as possible. Unfortunately, Windows 7 does not include a built-in registry cleaner. The registry cleaner software included in the best Windows 7 optimizer lets you scan the genuine registry problems and correct them. It thereby helps avoiding many runtime errors and problems, such as, File Not Found, etc.

“System Cleaner” to Clean Unnecessary Stuff and Free-Up the Disk Space

A System Cleaner software lets you find the files and stuff that have unnecessarily occupied the hard disk space.

The tasks, like installing a program, uninstalling, repairing or updating the existing programs, and even just running the installed programs many times create temporary files, log files that need not be kept after the corresponding operation is performed. Sadly, many programs do not itself delete such files and stuff and thus your hard disk space is used for such unproductive stuff. Using a system cleaner software included in best Windows 7 optimizer, you can easily and safely delete such temporary stuff.

“Registry Defragmenter” to Defrag the System Registry

You know the importance of the registry in Windows 7 operating system, as already discussed. The continuous access of a number of programs to the registry results in its fragmentation. It reduces the system performance and freezes your computer.

The best Windows 7 optimizer software includes a registry defragmenter that enables analyzing the registry fragmentation and afterwards defrags it. A reboot is required to perform this process and all other running programs and services must be terminated.

“Startup Manager” to Control the Programs when you Turn on your Computer

Running too many programs at the Windows startup, results in system freezing and slow performance. A Startup Manager, included in best Windows 7 optimizer, lets you monitor and control the programs that run each time your computer is started. It lets you disable or delete the unwanted program entries and enable only those who are necessary.

Backup & Restore Feature to Restore the Unfavourable Registry

While doing all the above steps, care must be taken that you have followed some precautionary measures first, so that any unfavourable registry change can be later restored and unwilling situations can be easily avoided. The best Windows 7 optimizer should include such a feature.

Best Windows 7 Optimizer Recommended by Worldwide Experts

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How Has Technology Changed Art?

We all are witnessing the changes being made in the art these days. Technology has the power to change anything. It is changing the traditional art into digital art.

Amazing digital art has taken place of traditional art. Digital art is exploring itself in many different ways that one can imagine. Different software is developed to increase the presence of digital art.

Photoshop Artists are one of the most common digital artists who give an amazing look to a picture with the help of imaging software and different applications.

These applications are developed with the help of technology. Anyone can be a digital artist having knowledge and proficiency in Photoshop.

Difference between traditional artists and digital artists is that traditional artists use paint and cement for their art and digital artists use imaging software and applications in their art. Some of the applications have the power to create 3D art work.

Technology has taken art into a new level of creativity. Let us talk about how technology has changed traditional art into digital art. We know that internet is ruling the world with its power. So, artists decided to present their art online with the help of internet. This is possible with use of technology.

You must have seen art galleries and attended painting exhibitions in your life. These doesn’t work well these days so artists find a way where they can get more attention and more praise for their work. Most of the artistic stuff is now seen online and is circulated to the art lovers.

There are some places where exhibitions are held and we do respect them. But presenting paintings, sculptures and art work online is in trend. Some of the artists are also showing their art on the basis of card swipe panel or coins.

How this work – when you enter coins or swipe card in the panel, the panel shows you some of the art work for a few minutes and then gets closed and if you want to see it again or explore more, further you need to swipe your card or add coins into it. This is how artists are using technology.

How digital artists are using technology for their art work

Digital artists already in touch with technology are aware of the systems that are in trend and use them to create their art work and sell them online.

Some of the professional digital artists are earning a lot of bucks by selling their art work. They can also design the ones that you want and are also ready to make any modifications you need.

They use different software to explore their skills and made it more impressive. They are using technologies that offer new ways to express their art work in a realistic way for much more time.

They are using different types of media and mix them to provide a more creative art work. Their 3D art work looks as real as it is present live in front of you.

Technology not only brings changes in education, medical field, industry and business but also brings a huge change in the art work and the artists as well.

Technology opens different paths for the artists to enter into for a good earning. They made their profession more powerful along with their art work.

In our busy lives we hardly get time to meet each other and our loved ones. How can it be possible to see exhibitions and galleries? So technology has brought this change in the art workers to show their skills and talent to people from anywhere in the world.

Technology is getting advanced and making more useful for the common man as well as artists. Technology has provided us with several things that we should be thankful. One of them is digital art work.

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Microsoft Access and Medical Private Practice

For physicians medical office software installation could be nerve-wracking, not because they want to avoid electronic medical records, but because the majority of the software packages are too complicated and very expensive for them.

The good news is, you can make your medical office software system uncomplicated and relatively easily maintained with one of the popular database software packages being used today, the Microsoft Access.

Microsoft Access is a relational database system developed by Microsoft. Microsoft Access is one of the easiest and most flexible database management solutions for the medical office and provides data validation and user-friendly features on data entry screens. It has been the dominant lightweight database system used for the last decade and has continued to grow with additional features. Access is a productive and very customizable solution for small medical practices and comes with MS Office (or standalone). However the next step up in a medical environment would be MS SQL Server but small medical offices usually only has need of a lightweight application and the added functionality with MS SQL Server, comes with a heavy price.

With this relational database system you can be up and running in one hour, which means that it is not necessary for your practice to spend lot of money to purchase, configure, update and maintain an SQL Server solution. Microsoft Access includes without any additional costs, points of integration with popular software packages including: Microsoft Word, Excel & Outlook and provides a free runtime version.

MS Access network setup is very easy. A medical office with 2-8 users is up and running within ten minutes, while installation and application maintenance is extremely simple. Virtually any user with a basic knowledge of Microsoft Access can handle all maintenance procedures without the assistance of IT personnel.

Keep also in mind that SQL Server is the flagship database system from Microsoft and it is suitable for use in environments with up to thousands of users. Microsoft Access can handle 2- 8 users and it is limited to 2 GB data storage.

We are convinced that the best way for private medical offices around the world to enter the world of electronic medical records is to purchase a professionally designed but inexpensive and affordable Microsoft Access based software solution.

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The Advantages and Disadvantages to Bug Tracking Software

Bug tracking has been around as early as the 1940’s, just not in a software form. In these early days, simply using a pen and a paper created tracking systems. It evolved from then to using spreadsheets. Now there is bug tracking software like the defect tracking tool and even more specific programs like Mantis and Bugzilla, just to name a couple. As with anything that evolves however, there will always be those that are 100% for the programs and those that are against it. This article will cover all claims – both positive and negative – of bug tracking software like the defect tracking tool.

The Positive Claims

It certainly depends on the type of bug tracking software that is used, but it seems as if there are many more advantages to these tools than disadvantages. The most obvious advantage is that these types of tools allow companies to keep a record of the issues that are recorded, who fixed them, and even how long it took to fix the issue for some types of programs. Customers are encouraged to be as detailed as they can be when requesting that an issue be fixed so that companies can complete their requests as quickly as possible. The fact that the issues are recorded and saved is a huge benefit for the companies because sending the recorded bug list with the purchased software is a common practice. This is a benefit to customers because if it is a common error, they can simply look up this issue in the previously recorded bug list. However, if the list is incredibly long (a common disadvantage) it can become more of a hassle.

The Negative Claims

As with anything that has a list of positive aspects there is also a list of negative aspects, though there are few. One of the biggest complaints is not so much from the bug tracking software or defect tracking tool itself but more from the process of submitting issue requests. Customers need to be extremely detailed with their issue requests if they want a detailed response. Miscommunication isn’t a fault of the product, the customer, or the company – it’s simply something that happens. Customers and companies alike both need to remember to be patient with each other and to treat each other with a mutual respect. A second complaint that was previously mentioned is the length of issues in some of these software programs.

Some customers don’t have the patience to look through a long list of software issues that have been previously recorded and this causes frustration among the companies that took the time to purchase software that saves them. The length of issues that are submitted can also become a problem because if there are too many issues submitted and not enough engineers to address them, some can get overlooked. Nobody likes to be forgotten, but usually these types of bug tracking software include detailed instructions and are easy to use.

Usually when a company purchases a bug tracking software or defect tracking tool it already has an experienced IT department in place. Whatever the software is that is being used with these programs should have some sort of backup for when the work is completed so it does not get lost if the issues that occur are deadly.

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How to Fix an Error Accessing the System Registry Easily

The system registry is an important component to practically every computer, and it would actually be considered a pile of electronics if the system registry was not included. It is essential for computers based on Windows, since it is the storage location for the hardware, software, and pretty much everything that makes the computer run.

Changes and updates go directly through the system registry for storage, but sometimes things do not always go as smoothly as we wish. Not many know what to do about an error accessing the system registry, but it must be fixed in order to keep your computer running.

An error accessing the system registry is not very uncommon, and it usually occurs when old files or updates are still located within the registry. The error can occur when new updates are downloaded, new programs installed, or even when new software is being added to your computer. A window will usually pop up stating “error accessing the system registry” and not much can be done until the error is fixed.

It can result from old updates being left in the system, or even old files that were not deleted when a download or installation was incomplete. The best way to get rid of the error accessing the system registry is to find out the problem, get rid of old files, and start fresh with new updates and software to keep your computer running smooth.

Because the error accessing the system registry can occur for a number of different reasons, it can sometimes be hard to locate the specific problem. The first step is to determine what exactly triggered the error, such as a new download, new software being installed, or updates occurring to current software on the computer.

The error is most common when updates occur or when updated software is installed, since most likely older versions are still being kept within the registry. In this case, the error accessing the system registry can be easily correct. First off, the installation or update needs to be stopped. Then the system registry can be accessed by the computer owner, and software can be purchased or downloaded to fix this problem.

One of the best options for getting rid of an error accessing the system registry is a registry fix program, since it goes in and does all of the work for you. Rather than trying to find the damaged files and delete them yourself, the program knows exactly what to look for and get rid of for the error to go away.

Not only will a registry fix help to get rid of the problem occurring now, it can even help to get rid of any files and old updates that may cause problems in the future. It is beneficial for clearing your computer of any unnecessary files or programs that may be causing it to run slow, and can even prevent an error accessing the system registry in the future.

A registry fix program can either be downloaded online or purchased at an electronics store, and is a great way to fix an error accessing the system registry. It does all of the work for you, and can even improve the overall performance of your computer. It can get rid of old files, partial updates, or even programs that are no longer needed, and is perfect for fixing your error accessing the system registry.

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The Advantages of Working With a Software Boutique Company

First of all, a boutique is a small shop where clients can find dedicated merchandise and unique items, or products which are produced in small quantities. The advantage of entering in such a shop, compared to big supermarkets, is that here you’ll also find staff ready to assist you and to give you guidance step by step. Indeed, one may say that a boutique charges higher prices, also in comparison to chain stores, which is definitely true. However, once you bought something from a boutique you’ll have the feeling that you own a unique item, which will differentiate you from the rest, and isn’t this what we all want – to be unique?

Software boutiques are a new way of defining petite software companies which are focused on a certain niche, and which are able to offer specialized support to their customers. Even more, such a firm is able to offer a unique product, tailored on the client’s needs and requirements. But, let’s see what advantages does a customer have when collaborating with a software boutique company:

Tailored product

A software boutique takes the client’s specifications and transforms them into a customized piece of software. Practically, if you are not satisfied by the mass-produced software programs which you can find, then a boutique company will tailor a product according to each and everyone of your requirements. The outcome will be a software product which is able to fit perfectly your company’s needs.

Niche focus

Generally, a boutique company is focused on a certain niche, for example developing applications and software products using Microsoft technologies. The advantage of having such a partner, is that you’ll have the confidence that he has the knowledge and proven experience to offer you the best advices regarding that specific area, and that he’s always updated with the latest technologies.

Crystal clear communication and dedicated support

Having a smaller amount of projects, a boutique software company can offer its clients dedicated support, according to every client’s need through a direct communication flow. This means that the information won’t need to travel through several departments until it reaches you, so that you’ll always be updated with the status and the quality of the work.

A good communication, not only that can save time, but also can make the development process more efficient. For example if you want a specific functionality for your application, collaborating with a boutique firm, you’ll able to keep track of the development process and promptly interfere in the development process if the work isn’t going in the desired direction, or if you want to change the approach. Also, fewer the clients, better the support. Practically, a software boutique will offer you their entire attention and expertise, whenever this is required.

Every client is important

For a boutique company every client is important, and because they can’t afford to lose a client, they can’t really afford to do a bad job. Every development project is treated with care, and you’ll know for sure that your project will be handled by the best men.

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Advantages and Disadvantages of Biometric Time and Attendance Software

First of all let me ask you what you understand by time and attendance software? Have you ever been asked to log in as soon as you enter office and the main gate of the office has a Biometric machine that takes in your finger prints and allows you to enter the office premise? Yes, these are the time and attendance software being installed in a company.

Biometrics consists of methods for uniquely identifying a person (human being) by his/her physical or behavioral traits. There are many biometric software available in market for such purpose and their use is widely known. One such use is Biometric time and attendance management software.

Those days are gone when we had to punch in cards or sign into a register to tell the other person that we are present. Just as paper checking has been changed from manual to computerized, identifying a person and letting him in your office has been changed from manual to biometrics.

There are many benefits of having such methodology in your office. Such as:

• Accurate timing: When a person looks at his watch and enters the time there is a slight chance that he may see the wrong timing and write. Whereas with biometric time and attendance software there is no possibility of such mistake. The user does not need to see or check the time, it automatically gets logged in.

• Less error: There is no scope of human error here.

• Profit to company: If it’s accurate and correct the company will definitely gain from it.

As everything has a good and bad side this too has its disadvantages, such as:

• Extra cost to company: Biometric software and machine cost a lot more, so installing such software need a good investment money wise.

• Extra management: Remember when every employee is logging his own timing when he comes or leaves; there is no extra management here. But, if you are putting a machine there has to be taken some care of it.

Biometrics time and management software is really helpful when creating payrolls for employees. Once a definite timing has been registered you don’t need to think twice before creating the employees pay.

Many homes are also using such kind of software to have a safe and secure home. Biometric software is really helpful when you need security in your home as well as in office. There are many companies all over the world providing such biometric time and attendance software. You just need to keep an eye on the technologies and websites that are providing you these.

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Wide Area Network (WAN)

Types and Characteristics of WANs

What is a WAN?

There are two prevailing definitions of a Wide Area Network (WAN). The book definition of a WAN is a network that spans large geographical locations, typically to interconnect multiple Local Area Networks (LANs). The practical definition of a WAN is a network that traverses a public network or commercial carrier, using one of several WAN technologies

What are its Main Components?

The main components for a WAN are routers, switches and modems. These components are described below in the hardware section.

CPE – Devices on the subscriber contracts are called customer premises equipment (CPE).
The subscriber owns the CPE or leases the CPE from the service provider. A copper or fiber cable connects the CPE to the service provider's nearest exchange or central office. This cabling is often called the local loop, or "last-mile".

DTE / DCE – Devices that put data on the local loop are called data circuit-terminating equipment, or data communications equipment (DCE). The customer devices that pass the data to the DCE are called data terminal equipment (DTE). The DCE primarily provides an interface for the DTE into the communication link on the WAN cloud.

Hardware

In a WAN you will need various types of hardware components for it to function. The typical items of hardware that you will need in a WAN are:

Router – An electronic device that connects a local area network (LAN) to a wide area network (WAN) and handles the task of routing messages between the two networks. Operates at layer 3, and makes decisions using IP addresses.

Switch – A switch is a network device that selects a path or circuit for sending a unit of data to its next destination. Operates at layer 2, and uses MAC addresses to send data to correct destination.

Modem – Short for modulator / demodulator, a modem that enables a computer to communicate with other computers over telephone lines. Operates at layer 1, where signals are converted from digital to analogue and vice versa for transmission and receiving.

Wan Standards

WANs operate within the OSI model using layer 1 and layer 2 levels. The data link layer and the physical layer. The physical layer protocols describe how to provide electrical, mechanical and functional connections to the services provided by the ISP. The data link layer defines how data is encapsulated for transmission to remote sites.

Encapsulation

Encapsulation is the wrapping of data in a particular protocol header. Remember that WANs operate at the physical layer and the data link layer of the osi model and that higher layer protocols such as IP are encapsulated when sent across the WAN link. Serial interfaces support a wide range of WAN encapsulation types, which must be manually specified. These types include SDLC, PPP, Frame delay etc. Regardless of WAN encapsulation used it must be identical on both sides of the point to point link.

Packet and Circuit Switching

Circuit switching and packet switching are both used in high-capacity networks.
The majority of switched networks today get data across the network
Through packet switching.

Circuit-switching is more reliable than packet-switching. Circuit switching is old and expensive, packet switching is more modern.

General Routing Issues

What is a Routing Protocol?

A routing protocol is a protocol that specifies how routers communicate and exchange information on a network. Each router has prior knowledge of its immediate neighbors and knows the structure of the network topology. The routers know this because the routing protocol shares this information.

Protocol

RIP (Routing Information Protocol) was one of the most commonly used protocols on internal networks. Routers use RIP to dynamically adapt changes to the network connections and communicate information about which networks routers can reach and the distance between them. RIP is sometimes said to stand for Rest in Pieces in reference to the reputation that RIP has for breaking unexpectedly and rendering a network unable to function.

Routing Algorithms

Distance Vector

This type of routing protocol requires that each router simply inform its neighbors of its routing table. The distance vector protocol is also known as the bellman-ford algorithm.

Link State

This type of routing protocol requires that each router maintain a partial map of the network. The link state algorithm is also know as Dijkstra's algorithm.

IGRP

IGRP is a type of distance vector routing protocol invented by cisco used to exchange routing data in a autonomous system. Distance vector protocols measure distances and compare routes. Routers that use distance vector must send all or a portion of their routing table in a routing update message at regular intervals to each neighbor router.

Addressing and Routing

What does routing mean?

Routing is the process of deciding how to move packets from one network to another.
The directions also known as routes can be learned by a router using a routing protocol then the information is passed from router to router along the route of the destination.

IP Address's

Every machine connected to the internet is assigned an IP address. An example of an IP address would be 192.168.0.1. IP addresses are displayed in decimal format to make it easier for humans to understand but computers communicate in binary form. The four numbers that separate an IP address are called Octets. Each position consists of eight bits. When added to together you get 32 ​​bit address. The purpose of each octet in an IP address is to create classes of IP addresses that can be assigned within a network. There are three main classes that we deal with Class A, B and C. The octets of an IP address are split into two parts Network and Host. In a class A address the first octet is the network portion, this determinates which network the computer belongs to, the last octets of the address are the hosts that belong to the network.

Sub netting

Sub netting allows you to create multiple networks within a class A, B or C address. The subnet address is the address used by your LAN. In a Class C network address you would have a subnet mask of 255.255.255.0. A subnet mask identifies which portion is network and which is host. For example 192.168.6.15 the first octet three octets are the Network address and the last octet being the host (Workstation). It is important to subnet a network because gateways need to forward packets to other LANS. By giving each NIC on the gateway an IP address and a Subnet mask it allows the gateways to route packets from LAN to LAN. Once the packet arrives at its destination, the gateway then uses the bits of the subnet portion of the IP address to decide which LAN to send the packets.

Circuit Switched Leased Lines

A circuit switched network is one that establishes a dedicated circuit (or channel) between nodes and terminals before the users may communicate. Here are some terminologies associated with a Circuit switched network.

Frame relay is a telecommunication service designed for cost-efficient data transmission between local area networks (LANs)

Basic rate interference is a service used by small business for internet connectivity. An ISDN BRI provides two 64 Kbps digital channels to the user.
Primary rate interface (PRI) is a telecommunications standard for carrying voice and data transmissions between two locations
All data and voice channels are ISDN and operate at 64kbit / s

Packet Switching

Http://www.raduniversity.com/networks/2004/PacketSwitching/main.htm – _Toc80455261

Packet switching refers to protocols in which messages are broken up into small packets before they are sent. Each packet is then transmitted over the Internet. At the destination the packages are reassembled into the original message. Packet switching main difference from Circuit Switching is that that the communication lines are not dedicated to passing messages from the source to the destination. In Packet Switching, different messages can use the same network resources within the same time period.

Http://en.wikipedia.org/wiki/Asynchronous_Transfer_Mode

Asynchronous Transfer Mode (ATM) is a cell relay, packet switching network and protocolwhich encodes data into small fixed-sized cells.

ISDN is used to carry voice, data, video and images across a telephone network. ISDN stands for integrated services Digital Network. Isdn also provides users with a 128kbps bandwidth. This is done through frame relay. Frame relay complements and provides a service between ISDN, which offers bandwidth at 128 Kbps and Asynchronous Transfer Mode which operates in somewhat similar fashion to frame relay but at speeds from 155.520 Mbps or 622.080 Mbps. Frame relay is based on the older X.25 packet switching technology and is used to transmit analogue signals such as telephone conversations.

PSDN stands for packet switched data network and is a data communication network. Packet switched networks do not establish a physical communication signal like the public telephone circuit (circuit switched network) Packets are sent on a fixed length basis and assigned with a source and a destination address. The packages then explicitly on the routers to read the address and route the packets through the network.

Mobile and Broadband Services

Digital Subscriber Line (DSL) is mainly used to bring high bandwidth connections to homes and small business's over a copper wire telephone line. This is can only be achieved if you stay within the range of the telephone exchange. DSL offers download rates of up to 6mbps allowing continuous transmission of video, audio and 3D effects. DSL is set to replace ISDN and compete with the cable modem in providing multimedia to homes. DSL works by connecting your telephone line to the telephone office over copper wires that are twisted together.

Asymmetric Digital Subscribers Line is most commonly used for home users. It provides a high download speed but a lower upload speed. Using ADSL, up to 6.1 megabits per second of data can be sent downstream and up to 640 Kbps upstream.

Http://en.wikipedia.org/wiki/Symmetric_Digital_Subscriber_Line

Symmetric Digital Subscriber Line is a digital subcriber line which runs over one pair of copper wires. The main difference between ADSL and SDSL is the difference in upload and download speeds. SDSL allows the same upstream data rate and downstream data rate as ADSL upstream can be very slow.

[Http://searchnetworking.techtarget.com/sDefinition/0],,sid7_gci558545,00.html

HDSL High bit-rate Digital Subscriber Line, one of the earliest forms of DSL, is used for wideband digital transmission within a corporate site and between the telephone company and a customer. The main characteristic of HDSL is that that provides equal bandwidth in both directions.

IDSL is a system in which data is transmitted at 128 Kbps on a regular copper telephone line from a user to a destination using digital transmission.

The Local Loop enables operators to connect directly to the consumer via copper local loops and then add their own equipment to offer broadband and other services. This process involves operators accessing local exchange buildings to connect to a network of copper lines which connect them to homes and businesses. BT is an Example of a Local Exchange. The local loop connecting the telephone exchange to most subscribers is capable of carrying frequencies well beyond the 3.4 kHz upper limit.

Benefits of using DSL

DSL can provide a virtual instantaneous transmission of voice, data and video over ordinary copper phone lines. A DSL connection can eliminate delays while waiting to download information and graphics from the Internet. It provides users with a cost effective high speed Internet connection. Another benefit is that a DSL connection is always on-line (like a LAN connection) with no waiting time for dialing or connecting.

There are now more than 10 million broadband connections in the UK. By December 2005 there were 9.792 million broadband connections in the UK and the average broadband take up rate during the three months to December was more than 70,000 per week.

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