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Operating Systems
1. Explain single Partition Allocation and Multiple Partition Allocation.
2. What do you mean by PCB? What useful information is available in PCB?
3. Describe Preemptive and Non-preemptive scheduling approaches.
4. Clarify process state with diagram.
5. Elaborate all the four functions of network operating system.
6. Elucidate any five types of attacks on security.
How does an operating system make multiprogramming possible by using single processor?
What is macro expansion
A- Consider a computer system that provides a virtual memory space that consists of 8 pages. The physical memory contains 4 pages where the page size is 4Kbytes. Assume that at sp
Define the Main reason to encrypt a file Major reason to encrypt a file is secure it for transmission.
Q. What are two differences among user-level threads and kernel-level threads? Under what situations is one type better than the other? Answer: (1) User-level threads are un
How do we keep track of where the free pieces of memory are? One idea is to maintain a set of linked-lists of free space; each linked-list will store free chunks of some given size
Front page We need to continue or customization and documentation of our system. Currently our system boots into runlevel 5 and we need it to boot into runlevel 3. For future r
Parent and Child process communicate in unix A child and parent can interact through any of the normal inter-process communication schemes (pipes, message queues, sockets, s
summary of what operating system do
Your task is to replace the round robin CPU scheduling scheme you developed in Practical 6 with a priority-based scheduling algorithm. To simplify matters, you can maintain the ori
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