Four types of Motherboards

                   Four types of Motherboards

Today our class is about motherboard types and differences. we already discussed about motherboard, which is the main circuit board and it interconnects the remaining parts of computer.

Totally we have 4 types of motherboards so far. They are XT, AT, Baby AT and ATX.

XT Motherboards:

XT Stands for eXtended Technology. These are all old model motherboard. In this motherboards, we find old model processor socket LIF (Low Insertion Force) sockets, ram slots Dimms and ISA (Industry Standards Architecture) slots, 12pin Power Connector and no ports.

They have slot type processors, Dimms memory modules, ISA slots for add-on card, and no ports. There are connectors and add-on cards for ports.

Eg: Pentium-I, Pentium-MMX, Pentium -II and Pentium-II Processors.

AT Motherboards:

AT stands for Advanced Technology. Advanced Technology Motherboards have PGA (Pin Grid Array) Socket, SD Ram slots, 20pin power connector PCI slots and ISA slots. we find the above components on AT motherboards.

Eg: Pentium-III Processors

Baby AT Motherboards: 

Baby AT Motherboards have the combination of XT and AT. They have both slot type processor sockets and PGA processor sockets, SD Ram slots and DDR Ram slots, PCI slots and ISA slots, 12 Pin power connector and 20Pin power connector and Ports.

Eg: Pentium-III and Pentium-IV

ATX Motherboards:

ATX stands for Advanced Technology eXtended. latest motherboards all are called as ATX motherboards. designed by ATX form factor. In this motherboards, we find MPGA Processor Sockets, DDR Ram slots, PCI slots, AGP slots, Primary and secondary IDE interfaces, SATA connectors, 20pin and 24 pin ATX power connector and Ports.

Eg: Pentium-IV, Dual Core, Core 2 Duo, Quad Core, i3, i5 and i7 Processors.

                        

            you search the application key....

                                               to type the key 94fbr  ......

                                                                     for end of the application.

            

name for example :

                                         IDM 94fbr

Different Companies & Their Founders

1. Who is the Founder of Google ?                           Larry Page & Sergey Brin

2. Who is Founder of Facebook?                               Mark Zuckerberg

3. Who is Founder of Yahoo ?                                    DavidFilo & Jerry Yang

4. Who is Founder of Twitter ?                                  Jack Dorsey & Dick Costolo

5. Who is Founder of Internet ?                                 Tim Berners Lee

6.Who is Founder of Linkedin ?                                Reid Hoffman, Allen Blue&Konstantin  Guericke

7. Who is Founder of Email ?                                   Shiva Ayyadurai 

8. Who is Founder of Gtalk ?                                    Richard Wah kan

9. Who is Founder of Whats up ?                              Laurel Kirtz

10.Who is Founder of Hotmail ?                               Sabeer Bhatia 

11.Who is Founder of Orkut ?                                   Buyukkokten

12.Who is Founder of Wikipedia ?                            Jimmy Wales

13.Who is Founder of Youtube ?                              Steve Chen, Chad Hurley & Jawed Karim

14.Who is Founder of Rediffmail ?                           Ajit Balakrishnan

 
15.Who is Founder of Nimbuzz ?                             Martin Smink & Evert Jaap Lugt

16.Who is Founder of Myspace ?                             Chris Dewolfe & Tom Anderson

17.Who is Founder of Ibibo ?                                  Ashish  Kashyap

18.Who is Founder of OLX ?                                     AlecOxenford & Fabrice Grinda

19.Who is Founder of Skype ?                                  Niklas Zennstrom,Janus Friis & Reid Hoffman

20.Who is Founder of Opera ?                                 Jon Stephenson von Tetzchner & Geir lvarsoy

21.Who is Founder of Mozilla Firefox ?                   Dave Hyatt & Blake Ross

22.Who is Founder of Blogger ?                              EvanWilliams

Manually remove the shortcut virus from USB

Hi guys. Sometimes its very irritating when you insert any USB and it shows many shortcuts of My Documents and all the important data and files become invisible. This is due to a shortcut virus. It is usually present in many computers of office, college or cyber cafes. Many of my friends are facing the problems with this virus. So here is a simple trick by which you can remove this virus from your pen drive.

·                         Open command prompt. go to start > run > type cmd.

·                         Insert your USB flash drive. Assuming it is drive I:

·                         In the command prompt window type the following code and hit enter

 attrib -h -r -s /s /d I:\*.*

 here replace I: with your drives name.