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NTP Server - Keeping Track of Time. Computers Articles | August 12 Cheap Maxime Gonalons Jersey , 2008
When you set your watch by the speaking clock or the radio beeps have you ever wondered who is responsible for setting that time and how they can be sure it is accurate.This may seem like a straightfo...

When you set your watch by the speaking clock or the radio beeps have you ever wondered who is responsible for setting that time and how they can be sure it is accurate.

This may seem like a straightforward question but their is no master clock that the world can tune in to but we do have the next best thing called UTC (Coordinated Universal Time). UTC is a global timescale based on the time told by atomic clocks (International Atomic Time).

As the time kept by atomic clocks is so accurate (a second is not gained or lost? in several hundred million years using current atomic clock technology) it is far more accurate than existing timescale such as GMT (Greenwich Meantime). The problem being that the Earth is not precise in its rotation, slowing down every now and again due to the effects of the Moon's gravity. To compensate for this UTC adds 'Leap Seconds' so as to keep it in-line with GMT (and to keep the Sun above the meridian line at noon and prevent the gradual drift of night into day).

UTC is governed by a constellation of atomic clocks, this ensures greater accuracy as an average is taken of all the times (although difference are in nano-seconds (billionths of a second) and also this method prevent any one country having political control of UTC.

The fundamental measurement of time is the second. Before atomic clocks a second was simply a division of the number of seconds in a 24 hour period (86,400 seconds in a day). However since the development of atomic clocks a second has been defined by the International System of Units as the resonance of the caesium -133 atom Cheap Marco Tumminello Jersey , used in atomic clocks and oscillates 9,192,631,770 every second.

UTC has been vital in governing the way we work and trade in a global community allowing trade across timezones to be done both confidently and securely. using the NTP server (Network Time Protocol)

NTP servers are devices that can receive a UTC timing signal from either directly from an atomic clock using a national time and frequency transmission Cheap Lukasz Skorupski Jersey , although not every country has one. Or, more conveniently a NTP server can receive the timing signal from a GPS (Global Positioning System) satellite's atomic clock and convert it to UTC.

A NTP server will then synchronise all computers and devices on a network to this UTC time source. while NTP is not the only time synchronisation protocol it is by far the most commonly used wiht the majority of synchronised networks using it.




How to buy a stylish yet cheap Android tablet? Computers Articles | November 6, 2012
Everybody knows that the Android tablet is an amazing device. This fancy handset comes with a wide array of features that will impress you.


The market has been recently hit by the new Android operating system. This special OS was created by Google using the GNU and Linux software. The Android OS is used for phones, notebooks and tablets. Moreover Cheap Luca Pellegrini Jersey , the statistics reveal the fact that in North America this operating system is the second after the iOS.


The greatest thing about the Android Operating System is that it comes with Flash. Most of the internet sites are limiting their Flash ? based content, but the Android is allowing its users to enter any kind of site they want and to remove or add plug?ins. Moreover, as opposed to the Apple OS, the Android OS enables its users to install and use any kind of program they want. A cheap Android tablet can install any type of application Cheap Lorenzo Pellegrini Jersey , even those who are not manufactured by Google. In addition, it allows the individuals to share their own developments.


Furthermore, the Android operating system offers more freedom. Thus, the hardware and ports of the Android tablet can be used to install flash drives Cheap Leandro Castan Jersey , a mouse or keyboards. Apple does not offer this option. Still, the Android OS has one disadvantage. It comes in too many versions and some features might be incompatible with it. However, this problem can be solved in an instant. All you have to do is to upgrade to the latest version of the operating system. Moreover, some people find it difficult to handle an Android tablet. Still Cheap Kostas Manolas Jersey , when they start using it, they discover that it is quite easy to use because of its simplicity and numerous applications.


The Apple fans will claim that the iPads are more elegant and fancier. On the other hand, Android features more models and tablets. Even though most of the models are similar, this is an advantage since the customers will have plenty of versions to choose from.


In case you want to purchase a cheap Android tablet Cheap Kevin Strootman Jersey , you must know that your investment won?t be in vain. Actually, the Android tablet might be one of the most useful things you have ever bought. It can be used for playing games, talking to friends or just having lots of fun. Also, you can install various applications like e ? mail alerts and calendar and use it at work. Lastly Cheap Juan Jesus Jersey , it?s great for browsing the internet. The 3G and Wi-Fi connectivity will provide high speed internet anytime and anywhere.

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