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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 procedure for handling the page fault is as follows 1. We check the internal table to verify whether the reference was valid or invalid. 2. If the reference was invalid,
What lead to the concept of paging? The main memory is separated into two parts that are one for the resident operating system, and one for the user processes. We may perhaps p
Q. Explain the differences in terms of cost between the three storage types nonvolatile, volatile and stable. Answer: Volatile storage refers to main as well as cache memory an
what are the main advantages of multiprogramming
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
What is thrashing? It is a method in virtual memory schemes when the processor spends most of its time swapping pages, rather than implementing instructions. This is because o
Determine the task of the Pass II In a two-pass assembler Synthesize the target program is the task of the Pass II
Write about critical regions and monitors. Critical region definition Monitor definition Implementation of the conditional-region construct Syntax of monitor Monito
case study:interprocess communication
Q. Catalogue the design goals of Windows XP. Answer: Design goals comprise security and reliability and Windows and POSIX application compatibility with high performance and ex
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