1.
1. Numerical Computation Guide(数值计算向导)
Describes floating-point hardware and software for the SPARC®, x86, and PowerPCTM (processor-based system) architectures. Contains a tutorial on floating-point arithmetic.
http://www.cs.clemson.edu/html_docs/SUNWspro/common-tools/numerical_comp_guide/ - 外文
2. 一张非常不错的ASCII编码表,在写程序时,谁没用过ASCII编码呢?
http://www.lookuptables.com/ - 外文
3. PowerPC Architecture Book .可以下载
http://www-128.ibm.com/developerworks/eserver/articles/archguide.html - 外文
4. 21IC 的单片机 -设计文档中心
http://mcu.21ic.com/ - 中文