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Q1) Suppose an operating system maps user-level threads to the kernel using the many-to-many model and the mapping is done through LWPs. furthermore the system allows developers to create real-time threads. is it necessary to bind a real-time thread to an LWP? Explain.
Computer has 16 pages of virtual address space but only three physical pages frames. Initially physical memory is empty. Program references virtual pages in order 1,2,3,4,5,3,4,1,6,7,8,7,8,9,7,8,9,5,4,5,4,2 Which references a page fault with LRU ..
Explain the difference between internal fragmentation and external fragmentation. Which one occurs in paging system? Which one occurs in system using pure segmentation?
Implement the parser in a separate file. Implement the main parser function in a separate file main.c
Discuss challenges that handheld devices provide for computer forensics. Compare the forensic tools for UNIX environments (e.g, the Sleuth and TCT) with tools for Windows environments
Give three technical merits of UNIX b) Differentiate between "clustered systems" and "real-time systems". c) Describe the purpose of using "trust relationship"
Virtual machines supported by a host operating system
Describe three solutions to critical section problem Explain the different methods used to handle deadlocks Distinguish between "No preemption" and "circular wait" in deadlocks prevention
Define the term context switch. Explain how context switching takes place. (use a diagram, with two processes)
What is Life Cycle Costing. Describe briefly the methodology for Life Cycle Costing. What are the criteria to consider when a procurement officer is faced with the decision of procuring a used equipment instead of a new one.
Forking the child process
What is race condition in this protocol?debitcard machine determine current value of card in dollars which is stored in value x.
Every day at 2PM a client's computer at work reboots itself. You have made sure the power management settings in the BIOS and in the Windows Control Panel are not responsible.
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