Ada Lovelace, whose notes added to the end of Luigi Menabrea's paper included the first algorithm designed for processing by an Analytical Engine. She is often recognized as history's first computer programmer. Programmable devices have existed for centuries. As early as the 9th century, a programmable music sequencer was invented by the Persian Ba...

Quality requirements Whatever the approach to development may be, the final program must satisfy some fundamental properties. The following properties are among the most important: 1. Reliability : how often the results of a program are correct. This depends on conceptual correctness of algorithms and minimization of programming mistakes, such as m...