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Explain the different sections of a process.
Entry section
Critical section
Exit section
Remainder section
Consider a system inclusive of n processes {p0, p1,...,pn} . Every process has a called critical section, segment of code, in which the process perhaps updating a table, changing common variables, writing a file etc. The significant features of this system are that when one process is in critical section no other process is to be permitted to execute in critical section. Every process should request permission to enter its critical section. The section of code executing this request is the entry section. The critical section should be followed by an exit section and the remainder code is in the remainder section.
FIFO page replacement algorithm with example
Another solution then would be to keep a pool of threads. Whenever a new task arrives, the system would simply get a thread from pool and set that thread to work on the given task.
Define logical address and physical address. An address formed by the CPU is referred as logical address. An address seen by the memory unit that is the single loaded into the
Direct memory access Many computers avoid burdening the main CPU with programmed I/O by offloading sine if this work to a special-purpose processor known as a direct memory add
address binding at load time
SEGMENTATION HARDWARE An execution to map two-dimensional user-defined addresses into one-dimensional physical addresses. This mapping is affected by means of segment table. Ev
How the Nested Macro calls are expanded LIFO (Last in First out)
Q. Some untimely computers protected the operating system by placing it in a memory partition that couldn't be modified by either the user job or the operating system itself. Expl
What are kernels and what do kernels do? The kernel is a program that comprises the central core of a computer operating system. It has entire control over everything that
Define a loader that is executed when a system is first turned on or restarted? Bootstrap loader is executed when a system is first turned on or restarted
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