In the past few days the computer science world lost two of the most valuable gems, Steve Jobs and Denise Ritchie. While Steve jobs was the people hero, Denise Ritchie was a computer science hero. While the two did the things they did decades apart, there was one common trait shared by both of them, they both worked hard to make things simpler and build a platform for others to take charge. Looking at C programming language no one will say its simpler but if you compare with the assembly language before C you will know the simplicity of it. Looking at Steve Jobs inventions right from the Mac to the iPad, they also tell similar story, the inventions were made for simplicity. An ad for iPhone simply states, what do you want to do with this phone? No jargons, no complexities. The c language had similar concept, what do you want to do? Printf? Scanf? getCh? Computer engineers will know these keywords, for others they are part of c programming language. Only the ones who have worked or ta