Why do we need standardization process? What is the difference between de facto and de jure standard?

Read Messerschmitt Ch. 6, Ch. 7 and Ch. 9 to answer the following questions in short answers. 1. Why do we need standardization process? What is the difference between de facto and de jure standard? 2. Explain the three different approaches to acquiring application software. What are the advantages and disadvantages of each of them? […]