BN104: Operating Systems-IT Assignmnet Help

Concepts of OS

1. What are the different parts or managers of an Operating System? Describe the list of steps that happen when one word file is opened by an operating system.
2. Research the internet to find the evolution of following Operating Systems and also discuss one platform for each of them.

• Linux
• Windows
•  Android

Note:

Whenever you research computer technology, make sure your resources are timely. Notice the date when the research was published. Also be sure to validate the authenticity of your sources. Avoid any that might be questionable, such as blogs and publicly edited online (wiki) sources.

Memory Management

1. Describe the advantages and disadvantages of memory allocation schemes. Discuss the overheads of compaction.
2. Consider the following segment table: SEGMENT BASE LENGTH (BYTES) 0 210 600 1 2200 15 2 90 100 3 1327 580 4 1952 96 ]

For given logical addresses, find the physical address:

• 0, 430
• 1, 10
• 2, 500
• 3, 400
• 4,115

Note: The first value is segment number and next is logical address 3. Give an example of computing circumstances that would favor first- fit allocation over best- fit. Explain your answer.

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