I wish to introduce an open source anti-virus software to you. Clam AV I have used it. That 's ok. Moreover, they got a daily update Virus DB too. more »

I cleaned up my home. I found I have a ton of not used or only used one or two times IT goods. I have wasted so much money on those things. I had two old plam PDA, but I have not used them so much. Moreover, I have a DVD burner and I have burned two… more »

What is QA? Is QA equal to Unit Testing + System Testing. I would like to draw a personal defination for QA. I think there are another step. That is Feedback. Unit Testing and System testing can only verify the system is acting according to the… more »