Computers
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RSA Encryption
Next: RSA Exercise Up: crypto Previous: Certification OK, in the previous section we described what is meant by a trap-door cipher, but how do you make one? One commonly used cipher of this form is called ``RSA Encryption'', where ``RSA'' are the initials of the three creators: ``Rivest, Shamir, and Adleman''. It is based on the following idea: It is very simply to multiply numbers together, especially with computers.
This is an animated model of a Buck voltage switching regulator in MS Excel 2003. Besides real time control of common parameters such as switch ON resistance, load current, load capacitance, output voltage (vout), input voltage (vbat) etc, the user can also run very specialized tests in which the output current and “vbat” can be modulated as either rectangular periodic or sinusoidal waves with adjustable frequency. This model is very fast (you can run it in adjustable “batch” mode) and extremely useful for real world transistor level design. The regulator can transition seamlessly between “continuous mode” and “skip cycle mode” (internally it does not make a difference between the two) and if you use a fast comparator it is intrinsically stable (a “switched-cap” comparator for instance) you can expect to design it having high efficiency at the transistor level (more than 96% flat over 3 decades of load currents).
ExcelUnusual - outstanding methods for creating engineering, scientific, technical models and games in excel
Man Builds Computer Inside Computer Game
Minecraft is a game about building things that runs on your computer. One man is building a working computer inside the game that runs on his computer. At this point it's okay if your head explodes. YouTube user TheInternetFTW is well on his way to creating a gigantic working 16-bit computer inside the confines of the popular sandbox game Minecraft . In this video he demonstrates a city-sized, fully-functional arithmetic logic unit, or ALU. The ALU is one of the fundamental building blocks of a central processing unit (CPU), responsible for performing arithmetic and logical operations.
Graphing Calculator Story
Copyright © 2004 Ron Avitzur. Pacific Tech's Graphing Calculator has a long history. I began the work in 1985 while in school. That became Milo , and later became part of FrameMaker .
s Python Class - Google's Python Class - Google Code
Google Code University › Programming Languages Welcome to Google's Python Class -- this is a free class for people with a little bit of programming experience who want to learn Python. The class includes written materials, lecture videos, and lots of code exercises to practice Python coding.New Tech Support Pricing Structure
Last Modified Thursday, 19-Aug-2010 23:41:55 PDT These pages were made by Justin R. Erenkrantz unless otherwise stated. This work is licensed under a Creative Commons License . These pages will look best in an XHTML 1.0 compliant browser.
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