Operating systems protect the computer hardware and its components. They also perform many responsibilities and/or provide services to manage various resources of the computer system as well as promote the efficiency of use of the computer systems.

(i). Distinguish between user-visible registers and control and status registers in the context of computer systems and embedded systems used in organizations; and draw a table of comparison to illustrate your answer.

(ii). Identify two examples of each the above categories of registers and explain, in your own words, the functions that each of them performs in a computer system.

(iii). Discuss how an operating system protects computer hardware, processor, main memory, and input-output devices of a computer system; and provide appropriate practical examples to illustrate your answer.

(iv). Explain practical issues that an operating system may encounter in its attempt to accomplish the protections you discussed in (iii) above.

(v). Explain the responsibilities and/or services that an operating system provides for either process management or file management in computer systems and/or embedded systems used in hospitals.