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SEGMENTATION
In a memory management system that is properly a programmer views a program to be collection of program components called as segments. Every segment is a logical unit of a program as defined by the programmer's design. In programming terms a segment generally contains of s set of procedures or data and forms a module of a few software systems.
The motivation for segmentation is to group together data and procedures that possess common attributes for sharing by other procedures. This is beneficial for implementing protection in a large software system. The user thus specifies each address by two quantities: an offset and a segment name. For the simplicity of execution segments are numbered and are referred to by a segment number.
Define Enforcing Modularity for C Additionally, in C it is sometimes necessary to create modularity of design. C++ is very natural model for component based application design
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short note on context switching
describe main points of multiuser and multi tasking operating systems.
Define Virtual memory Virtual memory is employed in all major commercial operating systems
Page fault is a trap to the software gained by the hardware when a process accesses a page that is goes in the virtual address space, but not added in physical memory. In the har
Addventage
Q. What are the three main activities of an operating system in regard to memory management? Answer: a. Keep follows of which parts of memory are currently being used and
What is a reference string? An algorithm is evaluated by running it on a particular string of memory references and computing the number of page faults. The string of memory re
Explain the Novell NetWare NetWare doesn't really have the concept of processes in the architecture, as the most closely associated element in the NetWare environment to
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