You should write not more than 1500 words. Answering the following two questions:
(a) Describe the main functions of the Operating System of a standard PC. Refer to at least two operating systems in your description.]
– What are two of operating system?
– Give an example?
(b) Describe the TCP/IP protocol stack. Give examples of protocols at each level. Describe the main difference between TCP and UDP (both Transport Layer protocols).
– What is the TCP/IP protocol stack?
– What are protocols at each level?
– What are TCP and UDP?
– What is the main difference between TCP/UDP?