Registry Cleaners: Avoiding a Pc Crash
Before you can win the battle, you have to know what enemy you’re dealing with. In PC-lingo, registry errors are the ultimate ‘bad guy.’ Though they aren’t as famed as viruses and spyware, they can be just as detrimental to your operating system and files.
Registry errors are directly related to your computer’s functionality-or lack thereof for many. Consider the following facts you may have deemed as partial truths before taking registry error action: • Spyware that isn’t wholly found and removed may obstruct a computer’s performance, igniting error messages. • Don’t tamper with your system files and data entries, unless you’re a PC tech of course. Any deletions may result in unforeseen errors and computer crashes. • Registry errors don’t necessarily present themselves in ‘error messages.’ Your computer may face snail-paced start-ups, Web-surfing speeds or even lock up altogether.
• Cleaning up your Windows Registry isn’t a one-stop fix. It’s vital to back-up your files and create a restore point to prepare yourself ‘just in case’ your computer crashes. • Errors are inevitable: With the number of software programs we download, install and uninstall over a given time period, it’s impossible to avoid some clogs every once in awhile. Many have turned to registry cleaners, software programs that find and fix errors that may take their toll on your PC’s operating abilities.
6StarReviews.com notes Registry Mechanic as an intuitive choice for computer owners, as this software program identifies problems and tweaks them as opposed to deleting a troubled file path. This registry cleaner also helps prevent further registry mishaps through their Registry Pruning feature-it deletes empty, nonessential subkeys which ultimately increases your PC speed. Remember: discreet registry errors wreak havoc, especially when left untreated.
Friday, October 12, 2007
GPS SYSTEM
GPS Tracking Solutions
In the first part of this series of 10 articles I explained the differences between GPS Navigation Systems and GPS Tracking Systems, and how they are two completely different of implementations of Location Based Services. In this second article I will develop some additional concepts related to the elements that constitute a GPS Tracking System.
There are 3 main parts to a GPS Tracking System:- A GPS device or GPS Tracker, which receives the location information and then delivers it to a software application.- A data transmission system, which takes the information provided by the GPS Tracker, and delivers it to the software application.-
A Software Application, which presents to its users the data recollected by the GPS Tracker in several formats including maps and reports.This article will present the main components of a GPS Tracking Solution, and will start expanding on the first component: GPS Trackers. It will take me this article and the next one to go in detail over GPS devices.
GPS DevicesIn this section I will define what a GPS Device, and how they work; after that I will present the types of GPS Trackers, including most of the features that these devices offer, and my opinion in regards to each type.At its simplest definition, the GPS device, or better the GPS tracker, is the component in charge of receiving the information about the location of the vehicle, and providing this data to the GPS Tracking Application through the Data Transmission System (which will be explained in coming articles).
GPS Trackers are usually small boxes (metal or plastic) that can be the size of a man's wallet, or a little bigger. All of them need at least one antenna (GPS antenna), and most of them need an additional antenna to enable the data transmission module. So this leads to a first classification of GPS Trackers:-Full satellite trackers. This type of trackers will use satellites to receive and transmit data.-Hybrid trackers. This type of trackers will use satellites to acquire location (we will see some variations here later in this article), and another method to transmit the data (a data modem, a data port to download the data, etc).On the next article I will expand on these concepts.So, the main task of a GPS Tracker is to provide information of the location of a vehicle or an asset, or a person.
The location of the units is usually acquired from the GPS satellites, but there is another method based on triangulation with cell towers to calculate locations. Getting the location from satellites is the most accurate mechanism, providing a minimal margin of error most of the times (from 2 up to 50 feet). GPS location can be acquired anywhere in the world. The only down side for this location technology is that the GPS antenna has to have a view to the sky. For example, if the vehicle gets into a garage, most probably there will not be GPS locations available.Getting the location based on a triangulation with the cell towers (those that are also used by our cell phones to transmit voice and data) has a bigger margin of error (up to a few hundred feet), making it a not very accurate location mechanism. This type of location also requires the presence of the named cell towers to work.
The upside of this mechanism is that it will perfectly work within buildings, which is not the case for GPS satellite location. Some GPS Trackers are designed to work with both location mechanisms, creating a new concept called Assisted GPS (AGPS).There are mainly three types of GPS Trackers: Passive Trackers, PING Trackers, and Live Trackers. Also, there are some GPS Trackers that have more features than other - not just a location of the vehicle.
In this article I have dissected a GPS Tracking solution into three main components: a GPS Tracker, a data transmission system, and a GPS Tracking application. I have also started exposing the details of GPS Trackers, specifically the two main ways to locate a vehicle. Finally, I introduced two more elements to consider in GPS Trackers: types of trackers and advanced features of a GPS device.
In the first part of this series of 10 articles I explained the differences between GPS Navigation Systems and GPS Tracking Systems, and how they are two completely different of implementations of Location Based Services. In this second article I will develop some additional concepts related to the elements that constitute a GPS Tracking System.
There are 3 main parts to a GPS Tracking System:- A GPS device or GPS Tracker, which receives the location information and then delivers it to a software application.- A data transmission system, which takes the information provided by the GPS Tracker, and delivers it to the software application.-
A Software Application, which presents to its users the data recollected by the GPS Tracker in several formats including maps and reports.This article will present the main components of a GPS Tracking Solution, and will start expanding on the first component: GPS Trackers. It will take me this article and the next one to go in detail over GPS devices.
GPS DevicesIn this section I will define what a GPS Device, and how they work; after that I will present the types of GPS Trackers, including most of the features that these devices offer, and my opinion in regards to each type.At its simplest definition, the GPS device, or better the GPS tracker, is the component in charge of receiving the information about the location of the vehicle, and providing this data to the GPS Tracking Application through the Data Transmission System (which will be explained in coming articles).
GPS Trackers are usually small boxes (metal or plastic) that can be the size of a man's wallet, or a little bigger. All of them need at least one antenna (GPS antenna), and most of them need an additional antenna to enable the data transmission module. So this leads to a first classification of GPS Trackers:-Full satellite trackers. This type of trackers will use satellites to receive and transmit data.-Hybrid trackers. This type of trackers will use satellites to acquire location (we will see some variations here later in this article), and another method to transmit the data (a data modem, a data port to download the data, etc).On the next article I will expand on these concepts.So, the main task of a GPS Tracker is to provide information of the location of a vehicle or an asset, or a person.
The location of the units is usually acquired from the GPS satellites, but there is another method based on triangulation with cell towers to calculate locations. Getting the location from satellites is the most accurate mechanism, providing a minimal margin of error most of the times (from 2 up to 50 feet). GPS location can be acquired anywhere in the world. The only down side for this location technology is that the GPS antenna has to have a view to the sky. For example, if the vehicle gets into a garage, most probably there will not be GPS locations available.Getting the location based on a triangulation with the cell towers (those that are also used by our cell phones to transmit voice and data) has a bigger margin of error (up to a few hundred feet), making it a not very accurate location mechanism. This type of location also requires the presence of the named cell towers to work.
The upside of this mechanism is that it will perfectly work within buildings, which is not the case for GPS satellite location. Some GPS Trackers are designed to work with both location mechanisms, creating a new concept called Assisted GPS (AGPS).There are mainly three types of GPS Trackers: Passive Trackers, PING Trackers, and Live Trackers. Also, there are some GPS Trackers that have more features than other - not just a location of the vehicle.
In this article I have dissected a GPS Tracking solution into three main components: a GPS Tracker, a data transmission system, and a GPS Tracking application. I have also started exposing the details of GPS Trackers, specifically the two main ways to locate a vehicle. Finally, I introduced two more elements to consider in GPS Trackers: types of trackers and advanced features of a GPS device.
GPS SYSTEM
GPS Tracking Solutions
In the first part of this series of 10 articles I explained the differences between GPS Navigation Systems and GPS Tracking Systems, and how they are two completely different of implementations of Location Based Services. In this second article I will develop some additional concepts related to the elements that constitute a GPS Tracking System.
There are 3 main parts to a GPS Tracking System:- A GPS device or GPS Tracker, which receives the location information and then delivers it to a software application.- A data transmission system, which takes the information provided by the GPS Tracker, and delivers it to the software application.-
A Software Application, which presents to its users the data recollected by the GPS Tracker in several formats including maps and reports.This article will present the main components of a GPS Tracking Solution, and will start expanding on the first component: GPS Trackers. It will take me this article and the next one to go in detail over GPS devices.
GPS DevicesIn this section I will define what a GPS Device, and how they work; after that I will present the types of GPS Trackers, including most of the features that these devices offer, and my opinion in regards to each type.At its simplest definition, the GPS device, or better the GPS tracker, is the component in charge of receiving the information about the location of the vehicle, and providing this data to the GPS Tracking Application through the Data Transmission System (which will be explained in coming articles).
GPS Trackers are usually small boxes (metal or plastic) that can be the size of a man's wallet, or a little bigger. All of them need at least one antenna (GPS antenna), and most of them need an additional antenna to enable the data transmission module. So this leads to a first classification of GPS Trackers:-Full satellite trackers. This type of trackers will use satellites to receive and transmit data.-Hybrid trackers. This type of trackers will use satellites to acquire location (we will see some variations here later in this article), and another method to transmit the data (a data modem, a data port to download the data, etc).On the next article I will expand on these concepts.So, the main task of a GPS Tracker is to provide information of the location of a vehicle or an asset, or a person.
The location of the units is usually acquired from the GPS satellites, but there is another method based on triangulation with cell towers to calculate locations. Getting the location from satellites is the most accurate mechanism, providing a minimal margin of error most of the times (from 2 up to 50 feet). GPS location can be acquired anywhere in the world. The only down side for this location technology is that the GPS antenna has to have a view to the sky. For example, if the vehicle gets into a garage, most probably there will not be GPS locations available.Getting the location based on a triangulation with the cell towers (those that are also used by our cell phones to transmit voice and data) has a bigger margin of error (up to a few hundred feet), making it a not very accurate location mechanism. This type of location also requires the presence of the named cell towers to work.
The upside of this mechanism is that it will perfectly work within buildings, which is not the case for GPS satellite location. Some GPS Trackers are designed to work with both location mechanisms, creating a new concept called Assisted GPS (AGPS).There are mainly three types of GPS Trackers: Passive Trackers, PING Trackers, and Live Trackers. Also, there are some GPS Trackers that have more features than other - not just a location of the vehicle.
In this article I have dissected a GPS Tracking solution into three main components: a GPS Tracker, a data transmission system, and a GPS Tracking application. I have also started exposing the details of GPS Trackers, specifically the two main ways to locate a vehicle. Finally, I introduced two more elements to consider in GPS Trackers: types of trackers and advanced features of a GPS device.
In the first part of this series of 10 articles I explained the differences between GPS Navigation Systems and GPS Tracking Systems, and how they are two completely different of implementations of Location Based Services. In this second article I will develop some additional concepts related to the elements that constitute a GPS Tracking System.
There are 3 main parts to a GPS Tracking System:- A GPS device or GPS Tracker, which receives the location information and then delivers it to a software application.- A data transmission system, which takes the information provided by the GPS Tracker, and delivers it to the software application.-
A Software Application, which presents to its users the data recollected by the GPS Tracker in several formats including maps and reports.This article will present the main components of a GPS Tracking Solution, and will start expanding on the first component: GPS Trackers. It will take me this article and the next one to go in detail over GPS devices.
GPS DevicesIn this section I will define what a GPS Device, and how they work; after that I will present the types of GPS Trackers, including most of the features that these devices offer, and my opinion in regards to each type.At its simplest definition, the GPS device, or better the GPS tracker, is the component in charge of receiving the information about the location of the vehicle, and providing this data to the GPS Tracking Application through the Data Transmission System (which will be explained in coming articles).
GPS Trackers are usually small boxes (metal or plastic) that can be the size of a man's wallet, or a little bigger. All of them need at least one antenna (GPS antenna), and most of them need an additional antenna to enable the data transmission module. So this leads to a first classification of GPS Trackers:-Full satellite trackers. This type of trackers will use satellites to receive and transmit data.-Hybrid trackers. This type of trackers will use satellites to acquire location (we will see some variations here later in this article), and another method to transmit the data (a data modem, a data port to download the data, etc).On the next article I will expand on these concepts.So, the main task of a GPS Tracker is to provide information of the location of a vehicle or an asset, or a person.
The location of the units is usually acquired from the GPS satellites, but there is another method based on triangulation with cell towers to calculate locations. Getting the location from satellites is the most accurate mechanism, providing a minimal margin of error most of the times (from 2 up to 50 feet). GPS location can be acquired anywhere in the world. The only down side for this location technology is that the GPS antenna has to have a view to the sky. For example, if the vehicle gets into a garage, most probably there will not be GPS locations available.Getting the location based on a triangulation with the cell towers (those that are also used by our cell phones to transmit voice and data) has a bigger margin of error (up to a few hundred feet), making it a not very accurate location mechanism. This type of location also requires the presence of the named cell towers to work.
The upside of this mechanism is that it will perfectly work within buildings, which is not the case for GPS satellite location. Some GPS Trackers are designed to work with both location mechanisms, creating a new concept called Assisted GPS (AGPS).There are mainly three types of GPS Trackers: Passive Trackers, PING Trackers, and Live Trackers. Also, there are some GPS Trackers that have more features than other - not just a location of the vehicle.
In this article I have dissected a GPS Tracking solution into three main components: a GPS Tracker, a data transmission system, and a GPS Tracking application. I have also started exposing the details of GPS Trackers, specifically the two main ways to locate a vehicle. Finally, I introduced two more elements to consider in GPS Trackers: types of trackers and advanced features of a GPS device.
VISTA
Daoisoft today announces the newest version of its Windows Vista tweaker and optimizer, DTweak 3.0, and reminds about the availability of a special 11% discount on its acquisition in autumn. Designed especially for Windows Vista, DTweak offers you a powerful arsenal of tools and tweaks to enhance your computer's performance, responsiveness and stability.
It will also protect your privacy by cleaning computer and internet tracks and help you customize the look and feel of Windows to your preferences and computer habits.DTweak includes Registry Cleaner, Disk Cleaner, Disk Defragmenter, Hard Drives Monitor and many other tools, plus an impressive choice of optimization and customization tweaks for Firewall, Internet Explorer, Windows Media, Windows Mail and other applications coming in Windows Package. To use these tools and tweaks, you are not required to have technical knowledge or special skills.
Beginners will love it. However it will also serve well for power users who can tweak many advanced parameters, such as CPU cache or I/O Cache Memory.DTweak is the first program of its kind to be specially tailored for the requirements of Windows Vista.
It runs well on the new OS, providing you with the best computational experience ever!About DaoisoftFounded in 2006, Daoisoft is a privately-held development company, specializing in computer productivity software for Windows OS. Daoisoft is an author of such popular products as XTweak, HDD Observer, and DTweak. Many unique features of the latter program and its regular updates made DTweak nothing but a real bestseller since the date of its first release.
It will also protect your privacy by cleaning computer and internet tracks and help you customize the look and feel of Windows to your preferences and computer habits.DTweak includes Registry Cleaner, Disk Cleaner, Disk Defragmenter, Hard Drives Monitor and many other tools, plus an impressive choice of optimization and customization tweaks for Firewall, Internet Explorer, Windows Media, Windows Mail and other applications coming in Windows Package. To use these tools and tweaks, you are not required to have technical knowledge or special skills.
Beginners will love it. However it will also serve well for power users who can tweak many advanced parameters, such as CPU cache or I/O Cache Memory.DTweak is the first program of its kind to be specially tailored for the requirements of Windows Vista.
It runs well on the new OS, providing you with the best computational experience ever!About DaoisoftFounded in 2006, Daoisoft is a privately-held development company, specializing in computer productivity software for Windows OS. Daoisoft is an author of such popular products as XTweak, HDD Observer, and DTweak. Many unique features of the latter program and its regular updates made DTweak nothing but a real bestseller since the date of its first release.
voip
VoIP has revolutionized the way telecommunication is done. Voice over Internet protocol allows voice packets to be sent over Internet bandwidth enabling cheap communication. There are many companies which offer voice over Internet services and some of the leading ones are Vonage, Skype, Yahoo and Net2Phone. Consumers can access VoIP over Internet connections like broadband and DSL.
Satellite Internet is a new technology that has become very popular in recent times and VoIP providers are able to offer services to customers in remote regions using it. It will still take some time until VOIP by satellite is ultimately stabilized and customers can enjoy the full benefits.Some of the challenges faced by service providers include packet loss, jitters and limited bandwidth.
Service providers like Hughes and Skyframes which have their own satellites are teaming up with the VoIP providers to offer voice services to customers. Designing a VoIP network would require details on the bandwidth requirement for VoIP data. Satellite Internet providers are facing challenges on the bandwidth capacity that would be required to offer VoIP services via satellite channels. G.729 (b) encoding with a 40 b payload and header compression would require 10 Kbps of bandwidth. Packet loss is another challenge faced by service providers offering satellite VoIP services.
Packet loss causes degradation in voice quality. The protocol used for voice traffic transmission is UDP/IP and if the data packets are corrupted they cannot be retransmitted. TCP/IP protocol allows retransmission of data packets. It is important to maintain very low bit error rates to offer high quality voice services to customers.
Jitters are another technology hurdle that is faced by satellite VoIP service providers. It is used to calculate the delays in packet arrivals that happen because of network delay. If this factor is not within acceptable limits the quality of voice becomes poor and the receiver may not be able to enjoy a good conversation. Jitter buffers are used to overcome this hurdle and ensure that there is less delay in the network.
Researchers and scientists are working relentlessly to overcome all hurdles that come in way of experiencing a smooth voice call through satellite Internet.VoIP by satellite is not ideal because of some more factors. Latency factor refers to the time delay in locating the Geo-stationary satellite and the speed of light. There is a delay of 280 msec because of latency factor. Traffic congestion in the network also affects the quality of VoIP service.
This can result in voice packets being dropped, delayed or reaching the receiver out of sequence. Compression technology is another parameter for delivering high quality VoIP service. There are two compression technologies that are followed as industry standards. The G.729 codec uses bandwidth of 18Kbps and RTP uses around 10 Kbps per second. If service providers are able to cope with the technological challenges of VoIP over satellite, it will not be long before remote areas of the United States can connect with the rest of the world.
Satellite Internet is a new technology that has become very popular in recent times and VoIP providers are able to offer services to customers in remote regions using it. It will still take some time until VOIP by satellite is ultimately stabilized and customers can enjoy the full benefits.Some of the challenges faced by service providers include packet loss, jitters and limited bandwidth.
Service providers like Hughes and Skyframes which have their own satellites are teaming up with the VoIP providers to offer voice services to customers. Designing a VoIP network would require details on the bandwidth requirement for VoIP data. Satellite Internet providers are facing challenges on the bandwidth capacity that would be required to offer VoIP services via satellite channels. G.729 (b) encoding with a 40 b payload and header compression would require 10 Kbps of bandwidth. Packet loss is another challenge faced by service providers offering satellite VoIP services.
Packet loss causes degradation in voice quality. The protocol used for voice traffic transmission is UDP/IP and if the data packets are corrupted they cannot be retransmitted. TCP/IP protocol allows retransmission of data packets. It is important to maintain very low bit error rates to offer high quality voice services to customers.
Jitters are another technology hurdle that is faced by satellite VoIP service providers. It is used to calculate the delays in packet arrivals that happen because of network delay. If this factor is not within acceptable limits the quality of voice becomes poor and the receiver may not be able to enjoy a good conversation. Jitter buffers are used to overcome this hurdle and ensure that there is less delay in the network.
Researchers and scientists are working relentlessly to overcome all hurdles that come in way of experiencing a smooth voice call through satellite Internet.VoIP by satellite is not ideal because of some more factors. Latency factor refers to the time delay in locating the Geo-stationary satellite and the speed of light. There is a delay of 280 msec because of latency factor. Traffic congestion in the network also affects the quality of VoIP service.
This can result in voice packets being dropped, delayed or reaching the receiver out of sequence. Compression technology is another parameter for delivering high quality VoIP service. There are two compression technologies that are followed as industry standards. The G.729 codec uses bandwidth of 18Kbps and RTP uses around 10 Kbps per second. If service providers are able to cope with the technological challenges of VoIP over satellite, it will not be long before remote areas of the United States can connect with the rest of the world.
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