o C is middle level programme language. o C has an ability to extend itself. o there are 32 keywords in ANSI C. o C prog. must contain a header file. o C prog. must have a main function. o semi-cologne ( must be used after all statements. o must use double-qualities (“ “) in defying strings of characteristics. o there are format specifiers has a common sign % used before it. o we can perform code-blocks, conditional tests and create loops in a programme. o the most beneficial part of c is the “error alert “