The ILOVEYOU virus comes in an e-mail note with “I LOVE YOU” in the subject line and contains an attachment that, when opened, results in the message being re-sent to everyone in the recipient’s Microsoft Outlook address book and, perhaps more seriously, the loss of every JPEG, MP3, and certain other files on the recipient’s hard disk. Because Microsoft Outlook is widely installed as the e-mail handler in corporate networks, the ILOVEYOU virus can spread rapidly from user to user within a corporation. On May 4, 2000, the virus spread so quickly that e-mail had to be shut down in a number of major enterprises such as the Ford Motor Company. The virus reached an estimated 45 million users in a single day.The attachment in the ILOVEYOU virus is a VBScript program that, when opened (for example, by double-clicking on it with your mouse), finds the recipient’s Outlook address book and re-sends the note to everyone in it. It then overwrites (and thus destroys) all files of the following file types: JPEG, MP3, VPOS, JS, JSE, CSS, WSH, SCT and HTA. Users who don’t have a backup copy will have lost these files. (In March 1999, a virus named Melissa virus ?also replicated itself by using Outlook address books, but was less harmful in destroying user files.) The ILOVEYOU virus also resets the recipient’s Internet Explorer start page in a way that may cause further trouble, resets certain Windows registry settings, and also acts to spread itself through Internet Relay Chat (Internet Relay Chat).
Nanotechnology, or, as it is sometimes called, molecular manufacturing, is a branch of engineering that deals with the design and manufacture of extremely small electronic circuits and mechanical devices built at the molecular level of matter. The Institute of Nanotechnology in the U.K. expresses it as “science and technology where dimensions and tolerances in the range of 0.1 nanometer(nm) to 100 nm play a critical role.” Nanotechnology is often discussed together with micro-electromechanical systems (MEMS), a subject that usually includes nanotechnology but may also include technologies higher than the molecular level.
There is a limit to the number of components that can be fabricated onto a semiconductor wafer or “chip.”. Traditionally, circuits have been etched onto chips by removing material in small regions. However, it is also possible in theory to build chips up, one atom at a time, to obtain devices much smaller than those that can be manufactured by etching. With this approach, there would be no superfluous atoms; every particle would have a purpose. Electrical conductors, called nanowires, would be only one atom thick. A logic gate would require only a few atoms. A data bit could be represented by the presence or absence of a single electron.
Nanotechnology holds promise in the quest for ever-more-powerful computers and communications devices. But the most fascinating (and potentially dangerous) applications are in medical science. So-called nanorobots might serve as programmable antibodies. As disease-causing bacteria and viruses mutate in their endless attempts to get around medical treatments, nanorobots could be reprogrammed to selectively seek out and destroy them. Other nanorobots might be programmed to single out and kill cancer cells.
Two concepts associated with nanotechnology are positional assemblyand self-replication. Positional assembly deals with the mechanics of moving molecular pieces into their proper relational places and keeping them there. Molecular robots are devices that do the positional assembly. Self-replication deals with the problem of multiplying the positional arrangements in some automatic way, both in building the manufacturing device and in building the manufactured product.
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What happened to the batsmen of our Indian Cricket team ? Why they started to play for themselves instead of playing for the country ? Each and every player sees whether he scores a?descent score of 35-40 runs so that his name will be reserved in the squad. The golden days of Sachin Tendulkar came to an end. Nowadays we cant see any fireworks from any batsmen consistently. i dont blame only the batsmen , the reason is that if he doesnt shines in two matches means the selection team announces that the player got some ankle problem and needs some rest (very descent approach ). I am wondering the way they eliminate batsmen. The top scorers of Indian cricket Saurav Ganguly and Dravidboth faced the same problems for not shining in few matches. How can they forget the consistency innings from Dravid these years ? what is the opinion from you ?
Ruby is an open source, interpreted, object-oriented programming language created by Yukihiro Matsumoto, who chose the gemstone’s name to suggest “a jewel of a language.” Ruby is designed to be simple, complete, extensible, and portable. Developed mostly on Linux, Ruby works across most platforms, such as most Unix-based platforms, DOS, Windows, Macintosh, BeOS, and OS/2, for example. According to proponents, Ruby’s simple syntax(partially inspired by Ada and Eiffel), makes it readable by anyone who is familiar with any modern programming language.Ruby is considered similar to Smalltalk and Perl. The authors of the book Programming Ruby: The Pragmatic Programmer’s Guide, David Thomas and Andrew Hunt say that it is fully object-oriented, like Smalltalk, although more conventional to use, and as convenient as Perl, but fully object-oriented, which leads to better structured and easier-to-maintain programs. To be compliant with the principles of Extreme Programming (XP), Ruby allows portions of projects to be written in other languages if they are better suited.
Ruby has become extremely popular in Japan; it is sometimes said that, at the moment, although there are a huge number of Ruby programmers, most of them don’t speak English. That situation is expected to change, however: Hunt and Thomas predict that Ruby will undergo explosive growth between 2001 and 2002, and overtake Python within four years.
The original name for SAP was German: Systeme, Anwendungen, Produkte, German for “Systems Applications and Products.” The original SAP idea was to provide customers with the ability to interact with a common corporate database for a comprehensive range of applications. Gradually, the applications have been assembled and today many corporations, including IBM and Microsoft, are using SAP products to run their own businesses.
SAP applications, built around their latest R/3 system, provide the capability to manage financial, asset, and cost accounting, production operations and materials, personnel, plants, and archived documents. The R/3 system runs on a number of platforms including Windows 2000 and uses the client/server model. The latest version of R/3 includes a comprehensive Internet-enabled package.
SAP has recently recast its product offerings under a comprehensive Web interface, called mySAP.com, and added new e-business applications, including customer relationship management (CRM) and supply chain management (SCM).
?In computers, a virus is a program or programming code that replicates by being copied or initiating its copying to another program, computer
