Al Chisholm
Articles
I/O Systems, I/O Modules February 1, 2004
Object-Oriented Programming: A Primer
The seeds of object-oriented programming might be traced back to the concept of the API (application programming interface). An API is basically a piece of paper that defines a set of subroutines and the behavior an application can expect to get when calling them. For example, a graphics API might include functions such as DrawLine(a,b) and DrawCircle(x,y,radius).
By Al Chisholm