Computing Blog

Differentiate between Ethernet, Fast Ethernet, Gigabit Ethernet and 10 Gigabit Ethernet? Fast Ethernet is a local area network transmission standard that provides a data rate of 100 megabits per second and it can negotiate speed (10 or 100) and duplex (half or full) with the other side of the link,moreover Fast Ethernet provides faster throughput for video, multimedia, graphics, Internet surfing and stronger error detection and correction.whereas Ethernet is the most widely-installed local area network technology.,which can provide data transfer rate of 3 ~10 Mbps and usually doesn't provide auto-negotiation. In Gigabit" Ethernet, data transfer rates peak at 1000 mbps and with10 Gigabit Ethernet standard,which was published in 2002 as IEEE Std 802.3,It defines a version of Ethernet with a nominal data rate of 10 Gbit/s, ten times as fast as Gigabit Ethernet.many attributes of 1000 mbps Ethernet are retained in the 1000BASE-T standards.

Pew Internet and American Life Project has reported that the percentage of adults using social networking sites has risen dramatically in recent years.Now More than 35 percent of adults have a profile at one or more social networking sites.In 2005 only 8 percent was interested in social networking.Amanda Lenhart ,who is a Pew senior Research Specialist has noted that 75 percent of adults are 18 to 24 years old while just seven percent are older than 65 years.He said "At its core ,useof online social networks is still a phenomenon of the young".Lenhart found that 71 percent part time and 68 percent full time students have social network profileSurvey shows that Myspace ,Facebook.linkeld,yahoo and youtube are amongest the most popular social networks.Myspace user aremost likely woman,Facebook are most likely men with college degree.

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Judge asked to block use of update service for notifying potential class-action plaintiffs By Gregg Keizer Comments 8 Recommended 10 Share Digg Slashdot Email Comments Related Active Comments Anonymous says: Not likely. Does anyone have a guess as to how many Vista machines have been "down-graded" and are now running... Read the rest | Reply Me says: Message from Microsoft: "So sue me!" _Yes _Maybe Later... Read the rest | Reply All Comments (8) | Post New * Vista "junk PC" suit: What did Ballmer know and when did he know it? * Microsoft fights Ballmer testimony in 'Vista Capable' suit * Lawyers want Windows Update used to push 'Vista Capable' lawsuit notices * Microsoft loses 'Vista Capable' appeal; more insider e-mails could emerge * Judge puts stop to more 'Vista Capable' insider e-mails October 15, 2008 (Computerworld) Microsoft Corp. is objecting to a plan that would force the company to use its Wind...

Hubert Chang has claimed that, alongside co founders Larry Page and Sergey Brin, he created Google in 1997. Chang has recorded a video explaining that he was indeed part of the creation team, giving his reasons as to why he has never been recognised for this feat of genius. The video was uploaded back in 2007, but has started circulating tech sites in a big way since last Tuesday. In the clip, Chang explains, "After viewing this tape, some people might think I'm lying, some might think I'm crazy, some might be upset, while others will consider I'm honest. But the tape has to be made." Chang also speaks of how he was introduced to Page and Brin in 1997 by Stanford computer science professor Rajeev Motwani, he claims it was shortly after this introduction that the three of them began to collaborate on the search engine. However, when Larry and Sergey asked him in September 1997 if he would like to put his name on the academic paper that first described Google's ...

So where were the quants? NYSE(Credit: Fred R. Conrad/The New York Times) That’s what has been running through my head as I watch some of the oldest and seemingly best-run firms on Wall Street implode because of what turned out to be really bad bets on mortgage securities. Before I started covering the Internet in 1997, I spent 13 years covering trading and finance. I covered my share of trading disasters from junk bonds, mortgage securities and the financial blank canvas known as derivatives. And I got to know bunch of quantitative analysts (”quants”): mathematicians, computer scientists and economists who were working on Wall Street to develop the art and science of risk management. They were developing systems that would comb through all of a firm’s positions, analyze everything that might go wrong and estimate how much it might lose on a really bad day. We’ve had some bad days lately, and it turns out Bear Stearns, Lehman Brothers and maybe some others bet far too much. Their quant...

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