Question 1 ) List and briefly define the four main elements of a computer.

Question 2 ) 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

Question 3 ) Explain multiprogramming OS and types of multiprogramming OS. You should write a specific example for multiprogramming OS.

Question 4 ) Explain the difference between a Multicore and Multiprocessor Computer.