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KERNEL ACTIVITY FOR ULTS:
The kernel isn't aware of thread activity but it is still managing process activity. When a thread compose a system call the whole process will be blocked but for the thread library that thread is still in the running state .thus thread states are independent of process states.
The principle is that of ordinary addition; however remember the highest number is 1. Calculate the following: 11001 + 11
This exercise uses a graph-plotting program ( gnuplot ) to convert tabular data into an image. This is a technique that is very widely used to visualize scientific data; with app
Q. Consider a file at present consisting of 100 blocks. Presume that the file control block (and the index block in the case of indexed allocation) is already in memory. Compute h
Many-to-Many Model The many-to-many model- many user-level threads to many kernel-level threads avoids several of the limitations of the one-to-one model, although extending mu
Optimal page replacement An optimal page replacement algorithm has the least page fault rate of all algorithms. The algorithm states that put back the page that will not be us
Q. What is the use of system programs? Answer: System programs are able to be thought of as bundles of useful system calls. They provide fundamental functionality to users so
LINUX VS WINDOWS I/O MANAGEMENT
Define the “Throughput” of a system Throughput is Number of programs processed by it per unit time
List three ways of allocating storage, and give advantages of each. a. Contiguous allocation. Fastest, if no changes are to be made. Also simplest for random access files. b
Assume that P A , P B and P C are three distinguished program s . When P A is executed, it needs 10 ticks to complete its execution and it forks new processes executing P B at tick
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