Selasa, 03 September 2013

What Are the Options Available for Connecting to the Internet?

We are today living in the information age; information is the one thing that makes the world tick, without which we are all doomed. Not that information is a basic need, but it is a necessity that fur supersedes the basic needs, for today if you had all the basic needs and didn’t know what was happening around you, you will get disillusioned and life will lose its meaning to you.  The world is information crazy and it’s thriving on this madness. We must all accept the fact that we all need information to thrive in today’s world. To carry out a business transaction you need information, to travel you have to be informed about the weather conditions, the prizes of basic necessities among others. Thanks to the internet we don’t have to travel long distances to find all this information, we can get it right inside our living rooms on our computers.

Internet connection
We all use internet in our lives, when we use our credit or debit cards, in our offices, or even in school. One thing that is common to most of us; we don’t give a damn about the kind of internet connection we are using. No wonder when some of us are establishing our own businesses or wants to install internet in our own homes, when asked which kind of internet connection we want, we can’t tell. Here is a brief description of five internet connections option to keep in mind, if ever you find yourself in a situation where you have to choose one internet connection over the other.

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1. Wireless Internet
Wireless internet connection is one of the fastest growing internet connection options in the world today. The introduction of Wi-Fi has made a major transformation on the online world, using radio frequency based technology wireless internet connection offers some of the fastest internet connections speed in the world today. Now in many town centers, collage campuses, and generally areas with a high population density it is common to find free wireless internet offered.

2. T-1
This is the most popular internet connection in most cities and usually with the business class.  The T-1 lines make connections at speeds of about 1.544 Mbps however, if higher speeds are required for larger workloads the T-1 cables may be bonded to create higher speeds. A typical T-3 connection runs at speeds of 45 Mbps. The T connections are loved most for their reliability.

3. Digital Subscriber Line
The digital subscriber line makes use of a two wire copper telephone line to make internet connection at speeds up 9 Mbps. The DSL is an improvement of the dial up connections with both using telephone lines but, DSL uses a much advanced technology to avoid clogging your land line.  The DSL internet connection normally comes in three categories: the ubiquitous asymmetrical digital subscriber line (ADSL) which is the fastest of the three DSL normally at connection speed of up to 9 mbps , the symmetrical digital subscriber line(SDSL) which despite being slower than ADSL, running at 3 mbps, offers same speeds for both uploads and downloads and thus a better connection for internet consistency, and lastly the Very High DSL  which  is best suitable for short distance  connectivity.

4. Dial-Up
This is the basic internet connection option that is inexpensive but much slower than any other internet connection available for use today. It uses a public telephone network to make connections and often clogs up the telephone lines.

5. Cable
Cable internet connections makes use cable TV channels in its operation. The uploading of data and downloading uses two different channels so as to avoid clogging and these processes takes place at speeds higher than those of DSL connections with the minimum speeds being 512 Kbps and maximum of 20 Mbps. Cable connections are best suitable for individuals already with a cable TV or intending to order for one.


Senin, 02 September 2013

Tips on How to Save Power of a Laptop When Travelling

You often go on business trips, family retreats or other events and somehow have to go with your laptop. So its important to know how to save power of a laptop when you travel otherwise frustration of being in a perfect place, where you can use your laptop to do a thing or two but you can’t because your battery is down is something you most probably have experienced. All this frustration can be avoided by following a few simple steps that helps save power and thus giving you a longer use of your laptop. 

Save power

Reduce the power you are using when unplugged from a power source by reducing the brightness of your computer.
On your keyboard there are two button one with a shape resembling the moon and the other a shape resembling the sun. Turn the brightness of your laptop down by pressing the button with the moon on until the brightness is dim to your liking.   This will reduce your power consumption considerably and thus increasing your battery life. To increase the brightness again, just press the button with the symbol resembling a sun and your screen’s brightness will increase to your desirable level. 

To save power further make sure that you turn off all background programs that are not needed at the moment. Most people run background programs that may not be very important like downloading music or installing a program both which can be done at a letter time when you have a steady power source. When your laptop is unplugged from a power source always make sure you are not running any other program that has no priority to what you are doing. 

Eject all CDS and DVD in your drives if you are not using them at the moment. In practice even if you are not running your CD drive the disc will still be spinning inside the drive and this consumes a lot of power.  When you are turning off all other background programs remember also to eject all the CDs and check that Bluetooth and in-built wireless adapters are off in case you are not using them.  Some laptops have a way of turning off the LED lights which includes power light and hard drive activity light when the battery is running low. Always check your user manual on how to do this so that you can save power on your laptop and buy yourself some time to finish what you were doing without power disruption.

Unplug all USB devices you are not using, such as flash disks, iPads, and external hard disks among others. All this plug-on use power and the more they are plugged in the more power they draw from your laptop.  And if you are to leave your laptop unattended for a while due to an emergency, don’t just leave it on, turn it to standby mode or sleep mode. This will save more power as only a few minimal components such as the memory are left running and will quickly allow you to resume working once you are through with the other issue you were handling.  And if you are sure it will take a much longer time and you don’t want to turn off your laptop just switch to hibernation mode and you will save a lot of power while away when you have not turned off your computer.