1- Compare the vision of the multimedia pioneers among Alen Turing, Vannevar Bush, and Douglas Engelbart in their approaches to meet human needs? 2- MP3 maintains audio quality while reducing file sizes by lossy compression. In this context explain how MP3 maintains quality with lossy compression? 3- Discuss in brief the idea of multi-programming, multiprocessing and multitasking along with some of their advantages? 4- What is author-ware? Is Microsoft word a multimedia authoring tool? List some multimedia authoring tools? .