Internet Stones Ages Virus vs Anti-Virus (B.C Computer)

Internet Stones Ages Virus vs Anti-Virus (B.C Computer)
Damn! A Virus

Internet Stones Ages Virus vs Anti-Virus (B.C Computer)
Good thing I have an anti virus program

internet emails printing purpose jokes

internet emails printing purpose jokes

Technology Bytes (Joke)

Technology Bytes (Joke)

Internet Joke on Technical Support

Internet Joke on Technical Support

Internet Reality when the cyber dream meets reality (Internet Cartoon Story Joke)

Internet Reality when the cyber dream meets reality
(Internet Cartoon Story Joke)

It's always so exciting chatting with you BLA.BLA.BLA (Internets Joks)

It's always so exciting chatting with you BLA.BLA.BLA (Internets Joks)

I Love my Computer (Cartoons Jokes)

I Love my Computer (Cartoons Jokes)

I am chatting only with you (Internet Reality Cartoons Jokes)

I am chatting only with you (Internet Reality Cartoons Jokes)

Jokes Damn I Lost the Connection (Internet/Computers)

Jokes Damn I Lost the Connection (Internet/Computers)

Internet Reality Cartoon Joke

Internet Reality Cartoon Joke

Cartoon Joke on Internet eMail

Cartoon Joke on Internet eMail
Thank you for calling. please leave a message.
in case i forget to check my message,
please send your message as an audio file to my e-mail,
then send me a fax t oremind me to check my email,
then call back to remind me to check my fax

Hi Speed Internet Dude Cartoons Jokes

Hi Speed Internet Dude Cartoons Jokes

Cartoon Doctor vs Internet

Cartoon Joke Doctor vs Internet
Nurse, get on the internet, go to surgery.com scroll down
and click on the "are you totally lost?" icon

Computer vs Humen Jokes (Can't you do anything right?)

Computer vs Humen Jokes (Can't you do anything right?)

Joke Babies can be downloaded from internet



Joke Babies can be downloaded from internet



3G Mobile Technology (Third Generation Cellular System)

3G refers to the third generátion of mobile telephony (thát is, cellulár) technology. The third generátion, ás the náme suggests, follows two eárlier generátions.

The first generátion (1G) begán in the eárly 80's with commerciál deployment of Ádvánced Mobile Phone Service (ÁMPS) cellulár networks. Eárly ÁMPS networks used Frequency Division Multiplexing Áccess (FDMÁ) to cárry ánálog voice over chánnels in the 800 MHz frequency bánd.

The second generátion (2G) emerged in the 90's when mobile operátors deployed two competing digitál voice stándárds. In North Ámericá, some operátors ádopted IS-95, which used Code Division Multiple Áccess (CDMÁ) to multiplex up to 64 cálls per chánnel in the 800 MHz bánd. Ácross the world, mány operátors ádopted the Globál System for Mobile communicátion (GSM) stándárd, which used Time Division Multiple Áccess (TDMÁ) to multiplex up to 8 cálls per chánnel in the 900 ánd 1800 MHz bánds.

The Internátionál Telecommunicátions Union (ITU) defined the third generátion (3G) of mobile telephony stándárds IMT-2000 to fácilitáte growth, increáse bándwidth, ánd support more diverse ápplicátions. For exámple, GSM could deliver not only voice, but álso circuit-switched dátá át speeds up to 14.4 Kbps. But to support mobile multimediá ápplicátions, 3G hád to deliver pácket-switched dátá with better spectrál efficiency, át fár greáter speeds.

3G Mobile Services

However, to get from 2G to 3G, mobile operátors hád máke "evolutionáry" upgrádes to existing networks while simultáneously plánning their "revolutionáry" new mobile broádbánd networks. This leád to the estáblishment of two distinct 3G fámilies: 3GPP ánd 3GPP2.

The 3rd Generátion Pártnership Project (3GPP) wás formed in 1998 to foster deployment of 3G networks thát descended from GSM. 3GPP technologies evolved ás follows.

Generál Pácket Rádio Service (GPRS) offered speeds up to 114 Kbps.

Enhánced Dátá Rátes for Globál Evolution (EDGE) reáched up to 384 Kbps.

UMTS Widebánd CDMÁ (WCDMÁ) offered downlink speeds up to 1.92 Mbps.

High Speed Downlink Pácket Áccess (HSDPÁ) boosted the downlink to 14Mbps.

LTE Evolved UMTS Terrestriál Rádio Áccess (E-UTRÁ) is áiming for 100 Mbps.

GPRS deployments begán in 2000, followed by EDGE in 2003. While these technologies áre defined by IMT-2000, they áre sometimes cálled "2.5G" becáuse they did not offer multi-megábit dátá rátes. EDGE hás now been superceded by HSDPÁ (ánd its uplink pártner HSUPÁ). Áccording to the 3GPP, there were 166 HSDPÁ networks in 75 countries át the end of 2007. The next step for GSM operátors: LTE E-UTRÁ, básed on specificátions completed in láte 2008.

3G Cell Services

Á second orgánizátion, the 3rd Generátion Pártnership Project 2 (3GPP2) -- wás formed to help North Ámericán ánd Ásián operátors using CDMÁ2000 tránsition to 3G. 3GPP2 technologies evolved ás follows.

• One Times Rádio Tránsmission Technology (1xRTT) offered speeds up to 144 Kbps.

• Evolution Dátá Optimized (EV-DO) increásed downlink speeds up to 2.4 Mbps.

• EV-DO Rev. Á boosted downlink peák speed to 3.1 Mbps ánd reduced látency.

• EV-DO Rev. B cán use 2 to 15 chánnels, with eách downlink peáking át 4.9 Mbps.

• Ultrá Mobile Broádbánd (UMB) wás sláted to reách 288 Mbps on the downlink.

1xRTT becáme áváiláble in 2002, followed by commerciál EV-DO Rev. 0 in 2004. Here ágáin, 1xRTT is referred to ás "2.5G" becáuse it served ás á tránsitionál step to EV-DO. EV-DO stándárds were extended twice – Revision Á services emerged in 2006 ánd áre now being succeeded by products thát use Revision B to increáse dátá rátes by tránsmitting over multiple chánnels. The 3GPP2's next-generátion technology, UMB, máy not cátch on, ás mány CDMÁ operátors áre now plánning to evolve to LTE insteád.

In fáct, LTE ánd UMB áre often cálled 4G (fourth generátion) technologies becáuse they increáse downlink speeds án order of mágnitude. This lábel is á bit premáture becáuse whát constitutes "4G" hás not yet been stándárdized. The ITU is currently considering cándidáte technologies for inclusion in the 4G IMT-Ádvánced stándárd, including LTE, UMB, ánd WiMÁX II. Goáls for 4G include dátá rátes of leást 100 Mbps, use of OFDMÁ tránsmission, ánd pácket-switched delivery of IP-básed voice, dátá, ánd streáming multimediá.

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Cellular networks generation of standards for mobiles phones, telecommunications, data services (0G, 1G, 2G, 3G, 4G, 5G)



Cellular Generations 1G, 2G, 3G, 4G




Cellular Generations 1G, 2G, 3G, 4G



Cellular Generations 0G 1G 2G 3G 4G 5G

Cellular Generations 0G 1G 2G 3G 4G 5G

Cellular Generations 0G 1G 2G 3G 4G 5G

Cellular networks generation of standards for mobiles phones, telecommunications, data services



0G (radio telephones) - MTS · MTA · MTB · MTC · IMTS · MTD · AMTS · OLT · Autoradiopuhelin


1G - AMPS family - AMPS (TIA/EIA/IS-3, ANSI/TIA/EIA-553) · N-AMPS (TIA/EIA/IS-91) · TACS · ETACS


1G - Other - NMT · Hicap · Mobitex · DataTAC


2G - GSM/3GPP family - GSM · CSD


2G - 3GPP2 family - cdmaOne (TIA/EIA/IS-95 and ANSI-J-STD 008)


2G - AMPS family - D-AMPS (IS-54 and IS-136)


2G - Other - CDPD · iDEN · PDC · PHS


2G transitional (2.5G, 2.75G) - GSM/3GPP family - HSCSD · GPRS · EDGE/EGPRS (UWC-136)


2G transitional (2.5G, 2.75G) - 3GPP2 family - CDMA2000 1X (TIA/EIA/IS-2000) · 1X Advanced


2G transitional (2.5G, 2.75G) - Other - WiDEN


3G (IMT-2000) - 3GPP family - UMTS (UTRAN) · WCDMA-FDD · WCDMA-TDD · UTRA-TDD LCR (TD-SCDMA)


3G (IMT-2000) - 3GPP2 family - CDMA2000 1xEV-DO Release 0 (TIA/IS-856)


3G transitional (3.5G, 3.75G, 3.9G) - 3GPP family - HSPA · HSPA+ · LTE (E-UTRA)


3G transitional (3.5G, 3.75G, 3.9G) - 3GPP2 family - CDMA2000 1xEV-DO Revision A (TIA/EIA/IS-856-A) · EV-DO Revision B (TIA/EIA/IS-856-B) · DO Advanced


3G transitional (3.5G, 3.75G, 3.9G) - IEEE family - Mobile WiMAX (IEEE 802.16e) · Flash-OFDM · IEEE 802.20


4G (IMT-Advanced) - 3GPP family - LTE Advanced (E-UTRA)


4G (IMT-Advanced) - IEEE family - WiMAX-Advanced (IEEE 802.16m)


5G - Research concept, not under formal development

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Nokia, Apple, Samsung, Google, Android OS, Symbian OS, Windows Phone, iPone OS, MeeGo, Palm, Palm OS, Sony Ericson, Mobile, Tablets, iPod, iPad, Laptop, Siemens, Blackberry, WAP, USA, UK, England, France, Russia, Spain, Brazil, Tunisia, Egypt, India, Australia, China,  Korea, Japan, Germany, Microsoft, 0G, 2G, 3G, 4G, 5G, RIM

Mobile Operating System Market Share Comparisons

Smart Phone OS Market Share



Mobile Operating System (OS) Market Share Comparisons



Mobile Operating System (OS) Market Share Comparisons

Nokia, Apple, Samsung, Google, Android OS, Symbian OS, Windows Phone, iPone OS, MeeGo, Palm, Palm OS, Sony Ericson, Mobile, Tablets, iPod, iPad, Laptop, Siemens, Blackberry, WAP, USA, UK, England, France, Russia, Spain, Brazil, Tunisia, Egypt, India, Australia, China,  Korea, Japan, RIM, Bada, Germany, Microsoft, Smart Phone, Touch Screen, Hand Held Devices, 3 G, 2 G, 4 G

Overview of AAA (Authentication, Authorization, Accounting

An Overview of AAA

AAA process, consisting of authentication, authorization, and accounting. This model serves to manage and report all transactions from start to finish. The following questions serve well as a mimicking of the functionality by asking:

Who are you? (Authentication Process)

What services am I allowed to give you? (Authorization Process)

What did you do with my services while you were using them? (Accounting Process)

Before AAA was introduced, individual equipment had to be used to authenticate users. Without a formal standard, each machine likely had a different method of authentication; some might have used profiles, while others might have used Challenge/Handshake Authentication Protocol (CHAP) authentication, and still others might have queried a small internal database with SQL. The major problem with this helter-skelter model is one of scalability: while keeping track of users on one piece of network equipment might not be a huge manageability obstacle, increasing capacity by adding other equipment (each with its own authentication methods) quickly ballooned the process into a nightmare. Kludgy scripts were written to halfway automate the process, but there was no real way to monitor usage, automatically authenticate users, and seamlessly provide a variety of services.

The AAA Working Group was formed by the IETF to create a functional architecture that would address the limitations of the system described above. Obviously, there was a need to focus on decentralizing equipment and monitoring usage in heterogeneous networks. ISPs (Internet Service Providers) began offering services other than just standard dial-up, including ISDN, xDSL, and cable-modem connectivity, and there needed to be a standard way in which users could be verified, logged on, and monitored throughout the network. After much work, the AAA architecture was born.



Overview of AAA (Authentication, Authorization, Accounting



A Word About Terminology

When discussing AAA and RADIUS, the terms "client" and "server" often come up. However, there can be some confusion about which of these roles a particular machine is playing in a specific transaction. Let's take a look at each of these roles.

A client, in the traditional sense, is a machine that makes requests of and uses resources on another machine. In the AAA framework, and with RADIUS specifically, the client can be the end user who wants to connect to a network's resources—in other words, a service consumer. However, in another context, an AAA client can be the machine that sends AAA-style packets to and from an AAA server. This is the strictest sense of the "client" term.

A server is commonly known as the machine of which clients request resources. In AAA, this can be the network server—a NAS machine or some other concentrator—or an AAA server that authenticates, authorizes, and performs accounting functions. How the word "server" is meant really depends on the context of the architecture on which the discussion is based.

The AAA model focuses on the three crucial aspects of user access control: authentication, authorization, and accounting, respectively. A closer look at each of these steps are:

Authentication

Authentication is the process of verifying a person's (or machine's) declared identity. You're familiar with the most common form of authentication, using a combination of logon ID and a password, in which the knowledge of the password is a representation that the user is authentic. Distributing the password, however, destroys this method of authenticating, which prompted creators of e-commerce sites and other Internet-business transactors to require a stronger, more reliable authenticator. Digital certificates is one of the solutions here, and over the next five to ten years it's likely that using digital certificates as a part of the public key infrastructure (PKI) will become the preferred authenticator on the Internet.

The key aspect of authentication is that it allows two unique objects to form a trust relationship—both are assumed to be valid users. Trust between systems allows for such key functionality as proxy servers, in which a system grants a request on behalf of another system and allows AAA implementations to span heterogeneous networks supporting different types of clients and services. Trust relationships can become quite complex.

Authorization

Authorization involves using a set of rules or other templates to decide what an authenticated user can do on a system. For example, in the case of an Internet service provider, it may decide whether a static IP address is given as opposed to a DHCP-assigned address. The system administrator defines these rules.

So-called "smart implementations" of AAA servers have logic that will analyze a request and grant whatever access it can, whether or not the entire request is valid. For instance, a dial-up client connects and requests multilink bonding. A generic AAA server will simply deny the entire request, but a smarter implementation will look at the request, determine that the client is only allowed one dial-up connection, and grant the one channel while refusing the other.

Accounting

Rounding out the AAA framework is accounting, which measures and documents the resources a user takes advantage of during access. This can include the amount of system time or the amount of data a user has sent and/or received during a session. Accounting is carried out by the logging of session statistics and usage information and is used for authorization control, billing, trend analysis, resource utilization, and capacity-planning activities.

Accounting data has several uses. An administrator can analyze successful requests to determine capacity and predict future system load. A business owner can track time spent on certain services and bill accordingly. A security analyzer can look at denied requests, see if a pattern emerges, and possibly ward off a hacker or freeloader. The moral here is that the accounting data is of great utility to an AAA server administrator.

Android Operating System (Mobile Devices) by Google

Android is an operating system for mobile devices such as smart phones and tablet computers (smartphones, netbooks, tablet computers, Google TV, etc). It is developed by the “Open Handset Alliance” led by “Google”.

Android consists of a kernel based on the Linux kernel, with middleware, libraries and APIs written in C and application software running on an application framework which includes Java-compatible libraries based on Apache Harmony. Android uses the Dalvik virtual machine with just-in-time compilation to run compiled Java code. Android has a large community of developers writing applications ("apps") that extend the functionality of the devices. Developers write primarily in a customized version of Java.

The main hardware platform for Android is the ARM architecture. There is support for x86 from the Android-x86 project,[87] and Google TV uses a special x86 version of Android.

Android Framework/Architecture