In plain english list out the necessary jcl

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: , timesharing operating system developed by Microsoft. It was designed to have Unix-like features so that it can be used for powerful workstations and network and database servers. 52. Linux is an open-source operating system enhanced and backed by thousands of programmers world-wide. It is a multi-tasking operating system that was originally designed to be used on personal computers. Questions 1. What is an operating system? Why is it necessary for a computer system? 2. What are the two primary objectives of having an operating system in a computer system? Explain how an operating system helps in meeting these objectives. 3. What is a 'virtual machine'? Explain how an operating system helps in converting a computer system into a virtual machine. 4. Draw the logical architecture diagram of a computer system. Explain the role of an operating system in this architecture. 5. Explain the role of an operating system as a resource manager of a computer system. 6. "The operating system tends to isolate the hardware from the users". Discuss this statement. 7. "The operating system acts as the manager of the various resources of a computer system". Discuss this statement. 8. List out the various functions normally performed by an operating system. 9. Explain the role of an operating system with respect to the following functions: (a) Process management (d) Device management (b) Memory management (e) Security (c) File management (f) Command interpretation 10. What are the main parameters normally used for measuring the performance of a computer system? 11. Define the following terms: (a) Throughput (b) Turnaround time (c) Response time 12. Differentiate among the following terms: (a) Throughput (b) Turnaround time (c) Response time 13. What is a process in a computer system? What is the main objective of the process management module of an operating system? 14. How was a job typically executed in early computer systems? What was the major drawback in this approach of job execution? 15. What is batch...
View Full Document

Ask a homework question - tutors are online