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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.
What is macro expansion
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what if we need the portion from a text based on some keyword. For eg. My file is like below, ------------------------------------------------ Order=[ 1 2 3 4 5 Order=[ 6 7 8 9
what is an operating system?
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LOOK o Like SCAN except stops moving inwards (or outwards) when no more requests in that direction exist. C-SCAN (circular scan) o Moves inwards servicing requests u
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