Computer memory hierarchy was classified from the top to the bottom as inboard memory, outboard memory, and offline storage. 

• a) Give an example for each classification category
• b) Explain what happens if we go down the hierarchy (from top to bottom in the hierarchy classification ). You can examine by using the following parameters; cost per bit, capacity, access time, and frequency of access to the memory by the processor 

Explain multiprogramming OS and types of multiprogramming OS. You should write a specific example for multiprogramming an OS. 

Explain the difference between a Multicore and Multiprocessor Computer. Consult and include at least three references (APA Format).