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The performance of a file system depends upon the cache hit rate (fraction of blocks found in the cache). If it takes 1 msec to satisfy a request from the cache, but 40 msec to satisfy a request if a disk read is needed, give a formula for the mean time required to satisfy a request if the hit rate is h. Plot this function for values of h varying from 0 to 1.0.
What are the main advantages of the microkernel approach to system design? Benefits typically contain the following (a) Adding a new service does not require modifying the
Explain Swapping Swapping is a method of temporarily removing inactive programs from the memory of computer system.
Multi-level page tables are tree-like structures to hold page tables. As an example, consider a two- level page table, again on a 32-bit architecture with 212 = 4 kbyte pages. Now,
What is the exclusive feature of UNIX Shell is the exclusive feature of UNIX.
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how the system call is work?
Load Sharing : Processes are not given to a particular processor. A global queue of threads is used to maintain. Each processor, when idle, picks a thread from this queue. Note th
Software for business management integrated into a social network Project Description: We are seeking top professionals to build software with us that manages the business.
Write a short note about the different STATES of a process. As a process implement it changes state. The state of a process is described in part by the current activity of that
What do you understand by “line balancing”? What happens if balance doesn’t exist?
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