What are the common operating system problems

Assignment Help Operating System
Reference no: EM132333774

Purpose of the assessment (with ULO Mapping)

The purpose of this assignment is to report on some important characteristics of Operating Systems. Students must answer Multiple Answer questions and provide written answer about process, file and device management, deadlock, and UNIX commands. After successful completion of this assignment, students should be able to:

a. Report on the basics, and provide examples, of operating systems structure and functionality, including memory allocation, virtual memory, demand paging and process and device management.
b. Describe the integration of hardware, operating systems and application software.
c. Explain in detail the functioning of some devices such as peripherals (e.g. printers and network connections).
d. Discuss the most common file systems structure and technology.
e. Explain the concept of user interfaces and their role in the functionality of an OS.
f. Demonstrate competency in the use of a command line interface to operate with and manage an OS such as UNIX, and perform simple UNIX (Linux) administration.
g. Support and troubleshoot operating systems and applications at an introductory level.

Assignment

1. Figure 1 shows a tunnel going through a mountain and two streets parallel to each other- one at each end of the tunnel. Traffic lights are located at each end of the tunnel to control the cross flow of traffic through each intersection. Based on this figure, answer the following questions:

1824_Deadlock scenario.jpg

Figure 1: Deadlock scenario

a. How can deadlock occur and under what circumstances?
b. Model the deadlock scenario of figure 1 using the deadlock graph and determine how deadlock can be detected.
c. Research "livelock" and describe it in your own words with example.
d. Describe the difference between "livelock" and "deadlock".

2. Research on integration of hardware, operating systems and application software and answer the following:
a. How do computer hardware, OS and application programs work together?
b. Discuss the steps involved with their interactions.

3. Reason out why are RAM memory capacities in powers of 2 and why don't hard disk and DVD discs follow the same norm?
For instance, 512 KB, 512 MB, 1 MB, 2, 4, 8 MB.

4. Describe in your own words the purpose and applications of all user interfaces? Which one you would prefer and why?

5. On a disk with 1000 cylinders, number 0 to 999, compute the number of tracks the disk arm must move to satisfy all the requests in the disk queue. Assume the last request serviced was at track 345 and the head is moving toward track 0. The queue in FIFO order contains requests for the following tracks: 123, 847, 692, 475, 105, 376.

Answer the below questions for the following disk scheduling algorithms: FCFS, SSTF, SCAN and LOOK.
a. Draw a diagram for the arm movement and
b. Calculate the total number of tracks and the average number of tracks travelled by the head to satisfy the requests in Q5-a (Details of the calculations is essential).

6. Document the following UNIX commands (in clear and concise form):
• chmod
• ls
• cp

Each of the above commands must be documented to the extent so that the reader of your report could understand how each command works, including the following points:

• Brief introduction of the function of the command in your own words (in 2-3 sentences)
• The basic syntax of the command, including options. Where appropriate, give a brief description in your own words of at least two options of the command.
• At least two examples of the usage of the command that you have used in lab (provide screen capture).

7. As a matter of fact, operating systems are not designed to utmost perfection since at times they suffer from a number of problems. Such problems can be very inconveniencing if one is not familiar with the troubleshooting tools. Hence one should be aware of all these techniques which can resolve the problem so one can continue working without any problems.

What are the common operating system problems? Suggest and provide details of some trouble shooting tools that can be used. List 5 problems and 5 solutions to fix them.

Verified Expert

This assignment was related to the concepts of an operating system. There were total seven questions. All the questions were correctly answered as per the requirement followed by the instructions provided. Questions were logically related, has theory and the steps for the interaction of the hardware.

Reference no: EM132333774

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Reviews

len2333774

7/5/2019 3:30:27 AM

Grade Mark HD 40-50 Excellent Deadlock and Live lock /20 All topics are pertinent and covered in depth. Ability to think critically and source material is demonstrated. Integration of hardware, operating systems and application software. /10 Researched and compiled the aspects pertinent and covered in depth. Ability to think critically is demonstrated. Good number of relevant references Memory Capacity /5 Good effort and Excellent reasoning User Interface /7 Excellent research and hard work. Good number of relevant references Device handler seek strategies, & Primary & secondary storage /16 Excellent use of creditable sources. Accurate referencing. Obvious that outstanding effort made Unix/Linux /12 All topics are pertinent and covered in depth. Ability to think critically and source material is demonstrated Troubleshoo t operating systems Excellent presentation of the challenges and solutions with

len2333774

7/5/2019 3:30:18 AM

Memory Capacity Justify your answers 5 User Interface Consider all types of user interfaces and reason out your option. 7 Device handler seek strategies, and Primary and secondary storage Answer question related to device handler seek strategies, and based on the understanding on the topic students need justify their answer. 16 Unix Students need to demonstrate their competency in the use of UNIX commands. 12 Troubleshoot operating systems Students have to research and provide suitable answers with ample of references. 10 Reference style Follow IEEE reference style (should have both in- text citation and reference list) 5 Total 85

len2333774

7/5/2019 3:30:11 AM

Marking criteria: Marks are allocated as indicated on each question, taking the following aspects into account: Section to be included in the report Description of the section Marks Deadlock and Live lock Students need to demonstrate their understanding of the concept of deadlock conditions in a system. Answer all the questions clearly with suitable examples/ scenarios or cases 20 Integration of hardware, operating systems and application software Students have to research and Answer the questions with relevant examples. It’s a must to provide references and also cite them in your answers appropriately. 10

len2333774

7/5/2019 3:30:00 AM

Due Date 11:55 PM, Week11 Submission Guidelines • All work must be submitted on Moodle by the due date along with a title Page. • The assignment must be in MS Word format, 1.5 spacing, 11-pt Calibri (Body) font and 2.54 cm margins on all four sides of your page with appropriate section headings. • Reference sources must be cited in the text of the report, and listed appropriately at the end in a reference list using IEEE referencing style. Extension • If an extension of time to submit work is required, a Special Consideration Application must be submitted directly to the School's Administration Officer, in Melbourne on Level 6 or in Sydney on Level 7. You must submit this application three working days prior to the due date of the assignment.

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