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Operating Systems
1. Illustrate the Microkernel Architecture with suitable diagram.
2. When Deadlock occurs? What are the Necessary Conditions for Deadlock?
3. Describe first-fit, Best-fit and worst-fit allocation algorithms with an example.
4. Explain the various methods of file access? Briefly.
5. List and explain the main functions of Network Operating System (NOS).
6. Describe in brief the basic architectures for multiprocessor interconnections.
What is a thread? A thread or else called a lightweight process (LWP) is a basic unit of CPU utilization, it comprises of a thread id, a program counter, a register set and a s
Define the “Throughput” of a system Throughput is Number of programs processed by it per unit time
Which are the different states of a process? Different status of a process is: New: When the process is created. Running: When instructions are executed. Wait
The idea of reference counting is to maintain, for every object, the total number of references to that object, i.e. the number of "incoming" pointers. Whenever the number of refer
Q. Consider the subsequent page reference string: 1, 2, 3, 4, 2, 1, 5, 6, 2, 1, 2, 3, 7, 6, 3, 2, 1, 2, 3, 6. How many page faults would take place for the following replace
Explain segmentation hardware? We define an completion to map two-dimensional user-defined addresses into one-dimensional physical addresses. This mapping is affected by means
Question: (a) Describe blocking and non-blocking types of inter-process communication. What is easier to implement and why? Discuss their relative advantages and disadvantage
Partitions and mounting A disk can be sliced into many partitions, or a partition can span multiple disks. Every partition can be either "raw", having no file system, or "cooke
Hierarchical paging Single way is to use a two-level paging algorithm, in which the page table itself is also paged. A logical address is separated into a page number and a pag
Define Properties to Ensure Good Search Performance A hashing function h should possess the subsequent properties to make sure good search performance: a. The hashing functi
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