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A Server is an application running on a centralized computer that manages tasks for clients. For example, a server may coordinate the network resources of computers that are connected to it. Or a server may offer services, such as web pages to everyone on the Internet. There are many different types of servers. Some of them are listed below.

Network server is a computer that manages requests and delivers data to other computers connected over a local network or the Internet. Typical requests might be shared access to the disk space, print hardware and e-mail services. A network server helps to manage the system administrators’ work. By allocating services to be performed by a server, the administrator needs to perform security updates and configuration changes only on the server rather than on all connected computers. The typical network servers are file server, print server, fax server, mail server etc.

File server has a large capacity for file storage that can be accessed by all computers on the network. On a user’s computer the file server will be displayed as an additional storage disk. For example, if a general user has C and D disks on his computer, after connecting to the server disks E, F etc will be added. The user will be able to access data and also store necessary information there. The advantage is obvious: the information is stored centrally, rather than distributed on different computers; it is accessible from any computer connected to the server (including remote computers that communicate with the server over a virtual private network), and may be protected from unauthorized access, as generally before connecting to the server it is required to provide a correct password. Another important advantage is that generally servers are better protected from crashes than personal computers.

Print server allows all connected computers to print documents with one or more shared printers. This way you don’t need to provide a personal printer to each computer. A print server will receive documents from connected computers, organize them into an order based on sent time and print them according to the print job’s priority. During the printing time your own personal computer is not busy with printing.

Fax server is similar to print server. Any computer that is connected to the fax server, can send the fax without first printing the file. Fax server, like print server, stores all requests according to the sent time, and then sends files based on the job’s priority. The incoming faxes are stored either on the server, where they can be accessed by authorized users, or are sent directly to the recipient computer.

Mail server provides electronic mail exchange between users on the Internet and Intranet. All e-mails are stored on the mail server and can be generally accessed from outside of the network by the owners of the mailbox.

The most common use of web servers is to host web pages. When the user wants to access the webpage, he sends a request, using HTTP to the web server that will deliver HTML documents (including additional documents, images and scripts) as the readable and viewable content or an error message in case a wrong web address was provided.

Web servers can also run Content Management Systems (CMS) and blogs.

One of the best places for making big savings on compact digital cameras is Currys. As well as significant discounts, they offer a wide range of machines to suit every need. Below, we’re going to take a rundown of two of the best deals available from Currys. If we don’t feature what you’re looking for, visit their website to find your ideal compact digital camera.

The FujifilmFinePix F550 is a 16 megapixel compact camera with a 15x, 24-360mm zoom lens. Similar to its predecessor, the F300, it boasts the same glossy curvaceousness while coming packed with new features. The lens folds away smartly when not in use, making the F550 beautifully pocket-sized (at its thinnest point, its just 22.9mm deep). A useful rubber handgrip keeps the camera secure in your hands, even in moist conditions, while the back presents a 3-inch, wide view 460k-dot resolution LCD. The F550 claims a focusing speed of just 0.16 seconds. Other features include face detection/recognition, tracking auto focus, ‘intelligent’ flash, 360 degree motion panorama mode and gyro sensor image stabilization. The GPS geotagging is another smart addition.

For pocket-sized portability, combined with a staggering 18x optical zoom, look no further than the 12.1 megapixel Nikon Coolpix S9100 (pictured). It may not have some of the showier features of the Fujifilm F550 – like GPS – but for getting intimate pictures at incredibly fast speeds, the S9100 delivers in spades. The superzoom is on the cusp of compact and professional photography, eschewing any gimmicks or bright colouring. At 2.5 by 4.2 by 1.4 inches, it qualifies as pocket-sized, but only just, and the manual pop-up flash helps to bring it into the realm of the professional camera. Its 3-inch LCD is one of the best on the market, with crystal clarity – 921,000 dots, dwarfing the compact markets usual range of between 200,000 and 460,000 dots. The images look so bright and colourful and the text so sharp and easy to read that you’ll never look back once you start using the S9100.

Both of the compact digital cameras featured here are available from Currys. Both come with a 20% discount on a camera case or 10% off any SD card.

A new Apple patent for facial recognition software has emerged which it reportedly plans to use for a new unlock screen on iOS devices such as the iPhone and iPad. Many websites and blogs renowned for their fanboyism are already heralding this has a brilliant new invention by Apple that will change the way we use smartphones and tablets.

As many people will be aware facial recognition has been around for many years on security systems and computers, and has already crossed into the smartphone arena via Android Ice Cream Sandwich on the Galaxy Nexus. The Galaxy Nexus is manufactured for Google by Samsung, the Korean company that is so often, ironically, accused of ‘slavishly’ copying Apple’s ideas.

Perhaps it is fair to say that it is not Apple themselves claiming this is a new invention, or that it was their idea to attempt to implement it on a smartphone, but it does show that Apple is more than willing to copy the ideas of its competitors.

That is even if those ideas don’t work so well. The Face Unlock system on Android Ice Cream Sandwich does not work ideally in all lighting conditions, can be fooled by photographs of the phone’s owner and routinely gets confused by beards of all things. But Google never unveiled it is an impenetrable security system that government agencies throughout the world could rely on to protect highly sensitive classified information, but a work in progress – an added convenience and the first stepping stone to a more robust system.

Does the Apple patent offer anything new? The patent claims that facial recognition designed to work in a variety of lighting conditions can be a huge hog on resources. To get around this, the Apple system will focus on more feature rich areas of the face, such as the eyes and nose, while largely ignoring the rest of the face.

With no working model available just yet it is unclear how this system will compare to Face Unlock on Android, or whether Apple will even choose to implement it on its phones and tablets at all.
One interesting feature that is claimed by the Apple patent is that due to its low processing requirements it will be able to run continually, so that users will be able to simply look at their phone’s camera to activate it, without the need to press any buttons.

Some skeptics are wondering whether Apple actually has any plans to use this system, or whether it is applying for the patent simply to assist its ongoing war with Google Android. On closer inspection it seems that this is unfounded cynicism, the Apple patent was filed at the end of June 2010, before the feature was unveiled for Android and Galaxy Nexus phone deals hit the market.

Even so, Google currently has a working (sort of) model of facial recognition on its smartphone OS while Apple merely has a picture of a stickman holding a phone. One thing is for sure though, facial recognition is likely to become a big feature on smartphones in 2012, and probably the source of a new round of patent lawsuits.

In the world of telecommunication and internet services we find high level competition among the service providers for viewership. To keep their hold in this highly competitive field they are coming up with more advanced and upgraded services. They are bundling up internet with various other services like telephone deals and cable TV and providing the whole package at amazingly low prices. This is making even a very ordinary man avail high speed internet service within his budget. But in order to get the best deal you need to shop around. This will help you find out the best cable internet provider and save a lot of dollars every year. Therefore, if you are planning to get a new internet connection, first of all make sure that you are choosing a famous cable internet service provider with the best of qualities.

Now, let’s have a look at the best qualities of a cable internet service provider:

Their first priority is the customers:
The good service providers always keep the concern of their users in the first place. For the interest of their users they need to be willing to change the terms and conditions of their services and in case the users are interested they should be ready to incorporate more packages. A quality service is all about the great value they can provide to the users as well as to the market on the whole.

Preference for enhancing the quality of internet service:
A good cable internet provider knows that improvement of services is the only way to get more number of users. The quality providers keep on asking their customers on a regular basis about their expectations from the provider. Every good cable internet service provider needs to give preference to the quality of their service as it is the most important factor to make their business last and grow.

They like to upgrade their services
With consistent upgrades to the services the service provider can ensure that their users are happy. Without updates there is the risk of getting crushed by the competitors and getting more vulnerable and insecure, while by upgrading they can ensure that their customers are secure.

The best service at the lowest possible price
The cable service provider should always ensure the customers that they are offering the best service at the lowest price. To suit the pocket of every customer they should try their best within their power to offer services so that everybody can afford them.

When speed is the first priority you need to choose a cable service provider who can provide you with the high speed internet service at affordable prices. With cable internet services you can get the fastest forms of broadband internet connections that will help you to get high download and upload speeds. If you are using it for business uses make sure that your cable internet provider is capable of providing connection with upload speed of at least 20mbps and download speeds of up to 400mbps. While for residential users download speeds should be of up to 100mbps.

Many cable Internet providers do provide the packages where you can combine your Internet with TV and telephone access. Availing such packages covering all of your home communications and entertainment choices you can save money as well as take the facility of paying with a single bill.

Above all, by speaking to your neighbors and taking local reviews of cable Internet providers, if possible you can have a clear idea choose the best one.

Author Bio:

Amelia Hill is a well known writer in the field of freelance content writing. She has developed numerous articles on Time Warner Cable. Her forte also lies in developing articles on latest services which makes use of latest technologies which finds a continuous need in meeting challenges those crops up in the field of Internet service.

We all know that our personal information within public cloud space is not exactly safe. The cloud is very convenient and inexpensive, but if the cloud goes down, our info is lost for good. Not only that, but the cloud often sees disruptions, temporary outages, and glitches within the system, making it hard to transport files during partly cloudy or thunderous times.

If cloud outages are of any concern to you, then you may want to look into personal cloud technology, like the Western Digital My Book Live. This is one of the top sellers in the personal cloud realm. Here’s what we think of the WD My Book Live, overall:

Pros

My book live has a lot of pros but its easy set up takes the cake. Virtually anyone could set up and use My Book Live, so this could make a great gift for anyone from your gadget-friendly dad to your grandma. All you have to do is throw all of your files into My Book Live and you can retrieve it from an endless number of devices, like iPhones, iPads, Android phones, and tablets. The unit is fan-less, so it avoids that annoying revving sound that many cloud devices produce.

Cons

We hate to say it, but there are a few downsides to this device. The biggest “con” to My Book Live is the lack of a USB port, which most other at-home personal cloud devices boast. Additionally, there is no printer support, remote controlling, or PC-less downloading.

Overall, with WD’s easy-to-use properties, it may be best for those who don’t know a whole lot about the personal cloud or who don’t want to fuss with maneuvering through the sometimes tumultuous trenches of overcomplicated technology. However, for people who want all the extra perks, you may want to seek out other NAS devices.

Ryan is a guest post writer who specializes in private cloud technology and other gadgetry. He never pays full price, often using HP coupons to purchase the next big thing. He likes to write for and contribute to the Blog Content Guild.

Google Android application had been released just a couple years ago in an attempt to usurp iOS from Apple Inc., which is used in iPhone devices and has been gaining a lot of popularity amongst top mobile phone manufacturers.

Similar to the iOS, Google android also offers a lot of useful applications and a smooth flowing interface which helps to make the Android phones the most sought-after in the market. Although the iPhone certainly overshadows all the competitors when it comes to sales, the only interface which actually compares to Apple’s creation is the Android.

The main advantage of Android based mobile phones is that they are bundled with all of the major US carriers and they are also developed by most of the top smartphone companies. As a result, phones users have a wide variety of carriers and models to choose from.

According to the computer support specialists, some of the applications include SMS program, internet browser, email client, calendar, contact list and more, all in the Java platform. All the applications are core-based and had been designed to satisfy the needs of users. This next generation mobile operating system will not differentiate between the basic OS and the third party applications, which allow users to get a customized device to match their specific requirements. (to be continued on Google Android: Learn more about the next generation of mobile part 2)

cont from: Apple iPhone and Apple iPad 2011 Review-Part1

Apart from the cutting edge mobile devices, there is also the iPad gadgets that you can get from Apple Inc. iPad is a series of tablet PCs developed, designed and marketed by this company mainly as a platform for the audio-visual media which includes books, books, periodicals, music, games, web content and movies. Its weight and size falls in between the modern-day smartphones and the laptops.

The iPad works on a similar operating system like the iPhone and iPod Touch and could run its very own applications in addition to iPhone apps. Without changes and also with the exclusion of web applications, this will only run the approved programs from Apple which is distributed through its online store.

Similar to iPod Touch and iPhone, the iPad is managed by a multi-touch display screen – a departure from many previous PC tablets which used pressure triggered stylus and a virtual onscreen keyboard instead of a physical one. The iPad is built with Wi-Fi data connection to load and stream media, browse the Internet and install software. Several models also come with 3G wireless data-connection to hook up to HSPA data networks.

These are just some of the gadgets that you can get from Apple Inc., so ensure that you check out the latest iPhone and iPad 2 devices to get more advanced features and technology.