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Define the DosSleep(ms) Function used in the os/2
DosSleep() suspends the currently executing thread for some time interval specified in the ms parameter. If a value of 0 is passed, DosSleep will perform an explicit thread switch and will be immediately rescheduled. If the thread issuing the DosSleep() is the highest priority thread in the system, it will not relinquish control to a lower priority thread. DosSleep() counts time, not real time as other operating systems do. As such, it should not be used as a real-time timing mechanism.
What are batch systems? Batch systems are quite appropriate for implementing large jobs that need little interaction. The user can submit jobs and return later for the results.
What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
What are the different thread levels? There are two broad type of thread implementation: User-Level Threads -- Thread Libraries. Kernel-level Threads -- System Calls.
what are reasons for cooperating processes
Removing System Dependencies Because portions of the client - server application program may execute on different machines, it is very important for the developer to remove the
EXPLAIN THE SCAN SHUDDULING WITH DIAGRAM
What is monolithic and its diagram
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,
As we already know, threadsmust ensure consistency; otherwise, race conditions (non-deterministic results) might happen. Now consider the "too much milk problem": two people share
Explain the Fork Function Fork function causes a new process to be created. The calling progress is duplicated as an exact copy (called the child process) that differs only in
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