The earliest example of equine footwear we have is made of animal hide and dates from about 600 B.C. This primitive hoof protector looks more like a horse bootie than what we think of today as a horseshoe. It was probably stuffed with dried grass or other available natural material and tied on with hide thongs.
The spiral model is a software development process combining elements of both design and prototyping-in-stages, in an effort to combine advantages of top-down and bottom-up concepts. The spiral model was defined by Barry Boehm in his article A Spiral Model of Software Development and Enhancement from 1985. This model was not the first model to discuss iterative development, but it was the first model to explain why the iteration matters.
The term â project management methodology â was first defined in the early 1960s when various business organizations began to look for effective ways that could simplify the realization of business benefits and organize the work into a structured and unique entity (which was called â project â later on).o in terms of project management, the author needs to define and then complete all the necessary activities in order to write a book (which means make change). PM framework is a structured collection of all relevant knowledge on how to make change methodologically.