Modern Computer Architecture - Multithreading

write 500+ words that respond to the following questions with your thoughts, ideas, and comments. Be substantive and clear, and use examples to reinforce your ideas.

Explain the concept of threads and multithreads to students. On white board jot down following points:

• What is multithreading? Discuss hardware and simultaneous multithreading
• What are pros and con of hardware and simultaneous multithreading.  Discuss implicit and explicit multithreading and various approaches to achieve them.
• How it improves the system performance?
• Discuss the dependence of multithreading on operating system and system architecture.  
• Talk about how Pentium 4 use multithreading that is referred in literature as hyper-threading.