DSL [ Digital Subscriber Line] : An Introduction

          DSL stand for Digital Subscriber Line. DSL provides high speed on already exiting telephone lines and same time you can use internet and as well as your line for phone. In DSL, both ends of connections require  the network cards and DSL modems for data communication.
             Your DSL connection to the Internet will always on, there is not need to dial your ISP each time  to use internet. DSL is much easier to install and provides much faster data transfer rate. Its data transmission speed start from 128 Kbps up to 10 Mbps. DSL connections are more useful in applications like videoconferencing, to run online movies and upload and download heavy files. There are different flavors of  DSL like ADSL, R-ADSL, HDSL, SDSL, and VDSL.

Connect laptop and cell phone via Bluetooth

           We can use Bluetooth technology to connect laptop and cell phone. We can move videos, images, photos etc from  desktop computer or a laptop to our cell phones. In order to use Bluetooth technology to connect laptop and cell phone we need a laptop and a cell phone which support this technology. Try

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If the laptop doesn't support it, we can use a USB Bluetooth dongle.  Just plug it into the USB port of the desktop computer or laptop. Leave the rest to Microsoft Windows. It will find the driver and install it itself.  If it is not supported, we can manually install it via the manufacturer's compact disk. Follow these simple steps in order to use Bluetooth technology to connect laptop and cell phone: (In this example, we are using Windows Vista.)

 Turn on the Bluetooth feature on your cell phone.

 Make this setting:  my Phone's visibility -> Shown to all on the cell phone.

Open Bluetooth Devices by clicking on its icon in the Control Panel.

OR

Look for the Bluetooth driver in the Device Manager and double-click on its icon.

Click on the Add button in Bluetooth Devices dialog box.

Check the box for "My devices is set up and ready to be found" in the Add Bluetooth Device Wizard dialog box.
Click on the Next button.

This device wizard will display the name of the found Bluetooth device close by.
Click on the device name that you would like to add and click on Next.

Select "Let me choose my own key" or "Choose a passkey for me" and click on Next.

It will now display the passkey. Key this into the cell phone. Now the laptop is initiating to install the Bluetooth device. (Click Yes as you see the prompt message on the cell phone to allow connection with the laptop.)

Click on the Finish button to close the dialog box of Add Bluetooth Device Wizard.

The Bluetooth device (the cell phone) is now displayed in Bluetooth Devices dialog box. Select the Bluetooth device and click on the Properties button.

The Properties dialog box for the device will become visible. Choose the Services tab.
Check the boxes for the services you want.

In the end you can launch the items of the cell phone.  Transfer photos, videos etc to cell phone via Bluetooth technology.

This method can also be used to connect laptop to Bluetooth devices like Bluetooth mouse, Bluetooth keyboard, Bluetooth headset, etc.

Windows Shortcuts

Action                                                                                       Shortcut keys

 

Change the font                                      CTRL+SHIFT+F

Change the size of font                            CTRL+SHIFT+P

Change the case of letters                        SHIFT+F3

Increase the Font Size                             CTRL+SHIFT+>

Decrease the font size                             CTRL+SHIFT+<

Increase the font size by 1-point               CTRL+]

Decrease the font size by 1-point              CTRL+[

Close the active item                               ALT+F4

Format letters as all capitals                     CTRL+SHIFT+A

Apply or remove bold formatting                CTRL+B

Apply or remove underline                        CTRL+U

Change the selection to symbol font          CTRL+SHIFT+Q

Minimize all windows                               Windows logo key+M

Underline single word                              CTRL+SHIFT+W

Double underline text                              CTRL+SHIFT+D

Find Files or Folders                               WINDOWS+F

Apply italic formatting                             CTRL+I

Apply or remove hidden text                    CTRL+SHIFT+H

Format letters as small capitals                CTRL+SHIFT+K

Apply automatic spacing                         CTRL+=

Remote formatting in plain text                 CTRL+SHIFT+Z

Cancel the current task                          ESC

Display nonprinting characters                 CTRL+SHIFT+*

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Mathods of Computer Virus Transfer

Now- a-days, most of the viruses spread due to receiving unknown e-mail messages that contains viruses. When a user opens such an infected message, the virus is also loaded into the computer memory. In this way, many other program files loaded into the memory are infected. This virus is also transferred to other computers when e-mail messages are sent from the infected computer to them. Due to these viruses, some time an auto generated email message from your email ID sends to your friends from your side with different virus messages. Never open unknown and attractive subject line email messages, always scan first even if you know the sender of the message. 

 

Another way of spreading virus is by using Internet and other networks. For example, when you download infected executables files or data files from the Internet or from a shared disk on the network, viruses are transferred to your computer. It must be noted that many software are available on the Internet with free of cost. Most of that software contains viruses, for example free PHP or ASP scripts are the main source of virus, always get these scripts from reliable sources. In an LAN, if a computer contains a virus, then all the computers on the network may be infected with that virus.  

One important means of exchanging data is through the use of removable media like, CDs, MP3 player, ipod and flash devices. So, when you copy the data from one computer to another by using a removable media, the viruses are also transferred. 

The virus can also infect your computer by using pirated software. The software, which is installed into your computer without license is referred to as pirated software. Some companies may intentionally attach some virus programs into their software. This program will only activate when it does not find some special files like license files on your computer.

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All PC Drivers

                Many of Companies selling windows vista & windows seven (7) installed Notebooks. But the visual features of seven slow down our pc. Some of us still wants to be with Windows Xp the most Lovely, Fast, User Friendly Operating System. But the main & biggest problem is how to find perfect driver for our PC. Companies isn't providing drivers compatible with Xp for the seven installed PCs.
                I understand this problem & i have faced it. but i got the solution a website which provides all drivers in .RAR compressed folder. Try it..............

                                                   http://driverpacks.net/

               Soon i will give u method to integrate all drivers in a single Windows Xp CD/DVD to make a Master cd. which will install all the required drivers during XP installation.
           
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