Archive for February 11th, 2012
Few major objectives of a computer network are information sharing, resources sharing (both software and hardware) and sharing of processing load.
Wireless communication falls under category of recent trends in the computer and communication industries. The radio waves in a wireless network are used instead of cables, and thus enhance the functionality of computing devices. Laptop users are much helped with wireless networking, since it is of great use to them while moving from one location to the other throughout the day.
Fixed wireless systems and mobile wireless systems are classifications of Wireless networks, where a little or no mobility of the equipment related to the wireless network is supported by a fixed wireless system.
A local area network can be configured by use of wireless network for getting rid of the headache of laying cables. The mobility of the equipment is supported by mobile wireless systems that enable the user to access information from anywhere and at any time. The personal digital assistants (PDAs), smart phones and pager with Internet access are few of multiple equipments used in the mobile wireless systems.
The radio waves or pulsing infrared lights are modulated to communicate wireless networks. The stationary transceivers are the intermediates to link wireless networking router to the wired network infrastructure.
Analog cellular, digital cellular, mobile radio networks, Cellular Digital Packet Data (CDPD), satellite, microwave systems, personal communication services (PCS) and local multipoint distribution systems (LMDS) are Wireless communication technologies utilized in wireless networks.
The wide availability of modems and analog cellular services makes analog cellular technology the most popular methods for wireless data communications, although the data rates supported by analog cellular technology are low.
2G and 3G technologies, wireless LANs, Wireless Local Loops (WLLs), radio-router technology, multi-loop wireless network and Wireless Application Protocol (WAP) are few from the list of most commonly used wireless technologies.
Further elaboration to wireless network depends on their features and uses, they are:
Wireless PAN: Expanded as wireless personal area network; popularly known as a personal area network because a small geographical area is covered by it. Bluetooth is one such example of the WPAN, since connectivity of Bluetooth is limited only to an area of 10mts and thus proving to be a wireless personal area connectivity provider.
Wireless LAN: Expanded as wireless local area network supporting local area connectivity and covering a larger area than PAN.
Wireless MAN: Expanded as Wireless metropolitan area network and is spread in a metropolitan area covering a wider area than when compared to PAN and LAN.
Wireless WAN: Expanded as wireless wide area network and thus a covers a wide area. The nodes are connected perfectly with one another in wireless wide area network.
Mobile networks: The development of mobile smart phones initiates this network, which is to hold computer data with transferring abilities along with talking.
Cell phone accessories (http://www.umibuy.com/cell-phone-accessories.html) allow people to make better use of their personal electronic device. If you are marketing to cell phone users or you have a large number of cell phone users in your own home or business, you can save money by buying cell phone accessories wholesale. Of course, if you just want to buy one or more for yourself, you can also have a look at umibuy.com.
Accessories of cell phones have all different kinds and have their own usages. So you should carefully to choose what you want. Cell phone cases can help protect your cell phones when not in use. Phone covers allow users to personalize their phones to suit their tastes and style. Waterproof versions are available. Phone holders or hands-free headsets make it easier to when your hands are busy with other activities. Portable car chargers allow users to make sure their phones work even when in a car or restaurant. Handwriting pens for the phones support handwriting. Batteries with high quality and stable performance for alternate. And lots of other accessories for cellphones from China wholesale electronics market (http://www.umibuy.com).
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If you intend to purchase a laptop that is easy on your pocket as well as fulfills all your needs then search for those laptops that are less expensive. By saying less expensive does not mean you should look for low graded ones but for those that are not branded and are not charging for style and name.
It has become a normal trend to consider low priced products as always low quality and less durable. Unfortunately, due to such misconceptions we usually miss out the good deals and waste our money just for the sake of brand consciousness.
The branded laptops on the other hand get out of one’s reach because of their expensiveness. A lot of people desire to possess high end performance machines but step back due to their high prices.
Before making a purchase you must consider all the possible ways of getting a cheap but a good quality laptop.
There are numerous means through which you can get the right one for you without compromising the functionality or money.
The first and the foremost way is to search for refurbished laptops available in the markets near you. These laptops are always good to have since they are completely scanned for any probable trouble in systems. A team of highly professionals check them repeatedly until they become new. If any of the part is broken, they make sure to either mend it or change it with the new one. If you are still not convinced to buy a refurbished laptop, then you can go for other less expensive laptops.
One thing you must consider before buying is that all the manufacturing process or the components used are not the same for every brand of laptop. You can take the example of any no-brand cheap laptop, which in comparison to the laptops by Apple are less expensive but are capable of providing same performance. Therefore make sure whether you are getting quality or just wasting money. We cannot say that all cheap laptops are not worth buying. In fact there are some laptops that are not highly recognized yet they do possess standardized components. The care in true sense will eventually enhance the lifetime of any laptop.
There is a specific time for the functioning of every laptop, after which it would stop working. Therefore, there is no justification in the form of low price or high price. Though many people abuse about cheap laptops but you should not pay any heed to them as they are not worth considering.
You can also go for the gaming laptops available that are loaded with special features and all the necessary equipments. In addition to that, such laptops also have video and sound cards but they are more costly as compared to other laptops. Therefore, you have to be very careful while buying. Keep in mind that what you are getting is good enough to perform the desired functions even if it has comparatively less features.
When it comes to buying gifts for him, the male species can be pretty predictable. With the technological world advancing every day all around us it’s easy to see why men of all ages hanker after the latest gizmos and gadgets whether they are of practical use or for pleasures sake. Not only are these modern phenomena addictive but they are becoming “must-haves.” It is of the utmost importance to have the “latest” phone, computer, games console etc. However when it comes to choosing gifts such as these, the risk is that your recipient may already have the item you had in mind. In order to avoid this embarrassing situation you need to look for more unusual technical toys.
One example of this is the palm sized air guitar. It’s a palm sized guitar fret board which allows the man in your life to indulge his musical whims by detecting his strumming by the use of laser, and show off to the boys when they come round for drinks.
It comes with pre-programmed songs and also a freestyle mode, so your guy will be jamming the night away in no time!
Another clever and much more practical gizmo is the alcohol tester key chain. This nifty number should be attached to any set of keys as by simply breathing into the sensor it will indicate whether or not the owner is over the legal limit. And just to show off….this also doubles as a torch; neat.
For the man with the smart phone, he will love the underwater phone cases now available. These multi-colour rubber cases are triple sealed and can go to depths of ten metres underwater, perfect for holiday pool snaps or even snorkelling! All cases come with a neck strap for extra security in the pool or sea. Genius!
For the man on the move, constantly travelling here, there and everywhere a digi-frame key chain is a great gift idea. These can be pre-loaded with images of family and friends to make it the perfect gift for any occasion.
However there is a tricky category of men to buy gifts for and these are the men who are not into the gadgets and gizmos taking the world by storm. These men prefer the simpler times of long ago and may appreciate the gift of an experience day. These gift packages are extremely popular as there is truly a choice to suit everyone and anyone. From gardening day course to cookery classes, rally car racing to sports stadium tours, bungee jumping to pampering, the choice is entirely yours. These packages are effectively vouchers so your recipient can choose when and sometimes even where he wishes to partake in his experience and you can be sure it will be a day he never forgets.
So when buying gifts for him think outside the box. Most savvy men these days have the latest and greatest of “essential” technology but it’s the quirky gifts that stand out. The best place to search for the more obscure gifts like these is online. So whether you choose a gadget or an experience day package make sure the man in your life know how much he means to you!
The holidays cause many emotions we don’t normally have. There are times when we don’t feel in control of these emotions, and this is the time when most people let them out. To some, the holidays aren’t a magical time. To some, the holidays are a hurtful time.
That doesn’t have to be. Why? Because we can change it.
Here is a technique that can help you, as it looks at stress a whole new way. So. Get ready to have a holiday like you’ve never had, because now YOU are in control.
Imagine your brain is like one large room. The room is made up of a bio-computer that designs your life.
Your computer has 3 basic parts. 1. Your monitor 2. Your keyboard 3. Your hard-drive. That is to say: Your monitor is how you look, what you display to the world. Your keyboard is your senses — what you taste, touch, see, hear, smell, and anything you hear.
Your hard drive is your brain. Everything your experience is recorded or programmed on your hard drive. Every time you program yourself — accept what others tell you or make a decision on your own — it’s all saved on your hard drive, ready to be picked up and used at a moment’s notice.
Every wall in that room is full of labeled switches. On the left side of the room are your emotions, so every emotion has a switch label, on the right side are your reactions, so every reaction has a switch label. These switches control your life, so depending on which emotion switch is thrown, it will automatically go to its reaction switch. Let’s say the switch labeled *anger* automatically triggers the one labeled *yelling*. If that’s the case, then that will be your reaction. If those are your switches, you yell when you are angry.
And unless you change the labels, your reactions will be the same as they’ve always been.
How successful you are is directly tied to the beliefs you have stored on your hard drive.
Check them out. Are they old beliefs that don’t support you anymore? Make up new labels for your switches. Maybe the reaction for anger could now be total calmness. Total calmness gives you time to think about what’s going on and react in a productive manner. That will also work for other negative emotions, such as hatred, stress, anxiety, etc. Maybe the only reaction label you want is total calmness. You be the judge, then YOU program that change into your bio-computer.
Sit down and relax. Visit the computer room in your brain. Rearrange the labels to fit what you want in your life now.
Thanks for reading,
Whether you need some extra storage space on your personal computer or you just need a faster way to access your laptop’s hard drive from your desktop, the iCY Dock hard drive enclosures are your ideal tool for this job. However, in order to the get the best out of these external drives, you will need to choose the right one for your needs. The first thing you should find out is the size of the hard drive from your current computer, as this measurement will help you determine the size of the enclosure that works best in your situation.
Another important detail that you will need to know is the type of hard drive because the enclosure needs to be compatible. In addition, this will ensure that the enclosure you are purchasing can be connected to your hard drive. Therefore, look for the specifications of your computer in the user manual. In case you lost it, you should access Device Manager from My Computer and then look for its specifications on the internet.
At the moment, there are two types of hard drives, the SATA and the ATA also known as IDE. The SATA hard drives will require a half an inch wide cable, while the ATA drives need a two-inch wide ribbon cable.
Furthermore, you will decide how you are going to connect the iCY Dock hard drive enclosures to the computer. The most common methods are through USB and IEEE ports, however, you can also use the Ethernet and eSATA ports if you have them on the computer. At the same time, you should also consider the main reason why you need the hard drive enclosure. Depending on the region you currently live in, you should decide if you want fans on your hard drive enclosures. Nowadays, most enclosures come with fans that keep the hard drive cool to prevent overheating. Since fans can usually be noisy, it is advisable that you opt for a silent model.
When choosing the right iCY Dock hard drive enclosures for your needs, you will need to make a decision about the material of the device. Most enclosures are made of aluminum or a metal with similar properties and there are very few with a plastic case. It is a good idea to opt for an aluminum casing as metal can conduct heat away from the device and keep it cool. In addition, you should consider if you need the device to have an AC adapter and/or an USB port. The vast majority of hard drive enclosures you find nowadays already include the AC adapter. However, some models can have a cable and an USB port to power the drive.
Once you figured out these important features, you will need to make a final decision regarding the design of the hard drive enclosure. Rest assured that you have hundreds of models to choose from, thus you should have no problem purchasing one that matches your style and personality. Therefore, keep these criteria in mind when shopping for a hard drive enclosure and you are sure to get the perfect one!