Hotspot

Hotspots are certain places that have Internet service using Wireless LAN technology, such as at universities, plazas, malls, restaurants, libraries or airports. Internet service like this, there are paid and there are provided free of charge. [1]

Hotspot concept was first proposed in 1993 by Bret Stewart and when Networld Interop conference, in San Francisco.

Some components in the hotspot are:
Mobile station
Access Point
Switch, Router, Network Access Controller
Web server or other servers
High-speed Internet connection
Internet Service Provider
Wireless ISPs

There are several commonly used types of hotspot, namely: [3]

Free hotspots as an additional general customers.
Hotspot is paid directly to the landlord.
Paying to wifi hotspot hotspot operators, such as Boingo, iPass. Threat
Today, more and more hotspots are available in many public places, but every time you make a connection at a hotspot is actually endangering your PC or laptop itself. . This condition is possible at all for the hacker to access the hotspot user's credit card, if you conduct transactions online.

Source : www.wikipedia.com

Removing a stubborn application

If you often install applications for free, would you ever experienced an application that is still listed in Add or Remove Programs list when you remove it from the system. Now, to remove a stubborn application
could be through the Registry Editor.
The trick is:

Open the Registry Editor window, then find the location "HKEY_LOCAL_MACHINE-SOFTWARE-Microsoft-Windows-CurrentVersion-Uninstall." This directory stores all the application's name in the Add or Remove Programs window is stored in a directory.
Find the name of the application you want removed. After the meet, click on the directory, then select "Delete" from the menu bar "Edit".

Right-click on that directory.

after a context menu appears, select "Delete".

Before closing the Registry Editor window, press the "F5" on your keyboard to update the contents of the registry.

Without having to restart Windows, open the Add or Remove Programs window, and locate the name of the application which was originally difficult to remove. certain applications that had already gone wayward. Source :id.shvoong.com

Beware! Computer Virus "Life Is Beautiful" can destroy your computer data

Microsoft and Norton Intrusion inform the threat of new viruses via electronic mail (e-mail) that can damage a user's computer data internet services, like Yahoo, Hotmail, and AOL (American OnLine).
Viruses' Life is Beautiful ". was signed by electronic mail names. If you accept, delete the file immediately. When it opened, will display a message on your computer screen the words: "it is too late now, your life is no longer beautiful ...." (Too late now, you can only let go).
Furthermore, all data on your computer you will be lost. Not only that, people who send a "virus" that will also get access to your name, e-mail, and your password. AOL has confirmed that, while the antivirus software was not able to destroy the existing "Life is Beautiful".

Source : id.shvoong.com

Caring Tips Laptop Batteries

Batre tips on caring for a laptop that does not quickly broken.

1st. Battery discharges
Do not ever let your batteries in a state of power supply does not get below 30%. Often allow the battery below 30% or even wait until the
running out of supplies, will accelerate the damage to your battery.

2. Memory Effect
If you hear no memory effect on knowl-san-charged battery, it will not happen for this type of battery output current. Batteries are the new laptops are very protective with the memory effect. You can at any time to charge your battery and the battery should not be allowed to empty.

3. Temperature
If your battery is used for common activities that produce a temperature of about 40 degrees, a battery can stay connected to the socket. But if the drive has reached the temperature at 60 degrees, meaning that the battery must be removed from the socket.

4. Saving Laptops In Long Term
You're planning to travel for a long time and should keep a laptop, try to remove the battery from the laptop while the battery is still at 40% before the shut down and stored. Then, save your battery dry and fresh place (not humid) or in the freezer with a temperature of 0 º C - 10 º C.

5. Buying Replacement Batteries
Do not buy a battery if your battery is not damaged. If you intend to buy, then the battery needs to be saved by using the means at number 4.

6. Some features that make spendthrift Batteries
Windows Aero.
SuperFetch.
ReadyBoost.
SearchIndexer.
if the situation was not charge (battery mode) should turn off the feature at the top, if not, charge the battery when the road on those features.

7. 3 Do
USB: do not plug any USB connection when not in use, remove all the USB connection is not used, state of the battery mode.
Sound: want to save battery? Do not harden sound when listening to music or movies, state of the battery mode.
Wireless: do not turn on the wireless connection when not in use.

8. Nothing On USB
Which should not be used:
External cooling fan, usually installed under the laptop.
USB vacuum cleaner
Lighting via a USB / LED super

Source : id.shvoong.com

Computer

Computer is a tool used to process the data according to procedures that have been formulated. Computer word originally used to describe people who job perform arithmetical calculations, with or without hearing aids, but the meaning of the word is then transferred to the machine itself. Origins, information processing is almost exclusively related to arithmetical problems, but modern computers used for many tasks unrelated to mathematics.

Computer consists of 2 major parts:
1.software (software)
2.hardware (hardware)

1.Hardware
Processor or CPU as the data processing unit
RAM memory, to store data temporarily
Hard drives, semi-permanent storage medium
Input device, the media used to enter data to be processed by the CPU, such as mice, keyboards, and tablets
Output device, the media used to display the output of CPU processing, such as monitors and printers

2.Software
Operating Systems
Basic program on a computer that connects users with computer hardware. Commonly used operating systems are Linux, Windows, and Mac OS. Duties include operating systems (but not only) controls the execution of programs on it, coordination of input, output, processing, memory, and software installation.
The computer program
An additional application installed in accordance with the operating system
[Edit] Slot on the computer
ISA / PCI slot for additional input of non-graphics card
AGP / PCIe, an input slot for additional graphics card
IDE / SCSI / SATA, slots for hard drives / ODD
USB, media input slots for plug-and-play (plug and play, meaning the devices can be connected directly to your computer and can be used)
[Edit] Types of computers
Analog computer
Computer Pulse
Microcomputers
Home computer (home computer)
Personal computer (PC)
Servers
Mainframe computer
Supercomputer

6 Steps to limit a program in Windows or your computer

For those of you who do not like the program or your file in the open or use another orng. This tutorial has the fragmentation that matches your needs are. Where, here you can perform a block (block) or prohibit access to any / some programs on a computer (of course your own computer).
Additionally, this tutorial can also work on Windows XP, Windows Vista or Windows 7. Here are his steps:
1st. Kik Windows + r or Run. In the column "run" is available type in "gpedit.msc" (without the quotes). Then press Enter to open Group Policy.
2. In the Group Policy window, open the User Configuration → Adiministrative Templates → System.
3. After that, look on the right side of the window, locate the item Run Windows Applications Allowed only and double click (double click) the item.
4th. On the Run only Allowed settings window of Windows Applications, select the option enabled (red arrows), then click the Show icon (colored blue arrows) that is right below it.
5. Finally, in the Show window contents enter the names of the executable file of the application will not be on the block (the block). For example: Excel.exe for Microsoft Excel, notepad.exe to Notepad, word.exe for Microsoft Word, and others.
The names of the executable file you can see the program files folder in Windows Explorer.
6. After all the names of the programs you do not want to block or can be accessed by your users have entered. Then click OK.
After all the above steps have been followed, it is time to try. Try to open the programs that were not included in the Show Window Contents. If the program is not running, then you have succeeded.
Good luck. . . . . . !

Source : id.shvoong.com

Google Voice Pilot VoIP Technology

Google Inc.., The possibility of trying to implement Google Voice applications to call or receive calls from outside through a computer at the beginning of next week.
The world's largest search engine company, in November last, Google invites Gizmo5, service provider Voice over Internet Protocol (VoIP), Skype competitor, making VoIP phone people-to-people, as call and receive calls with the normal tissue and cell phones.

Google never commented the possibility of their use Gizmo5 technology. Google has confirmed that they now have to build a computer application for Google Voice telephone. For the user perspective, this application will allow someone calling from his computer.

Gizmo5 fill some holes on the Google Voice products, be able to provide telephone service. Visitors must complete Google Voice Google Voice phone with the tools to contact or receive telephone.

Google is not sure when this application will be launched, but as followed from one of the sites, »possibility immediately. Earlier this week begin the application being tested internally. "

Source : id.news.yahoo.com