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discuss two main approaches to identify free memory area in a heaptwo popular systems to identify free memory areas as a result of allocation and
what are the properties which a data item should possess to implement a critical section the critical section problem solution should satisfy the
explain how a critical section avoids race conditionto prevent race condition concurrent processes should be synchronizeddata consistency needs that
what is race conditionrace condition the circumstances where several processes access - and manipulate shared data-concurrently the last value of the
a system contains 10 units of resource class ru the resource requirements of three user processes p1 p2 and p3 are as
explain deadlock in operating system deadlock all process in a set of processes is waiting for an event which only a process in the set can
explain the fork-joinfork-join it is primitives in a programming language of higher level for implementing interacting processes the syntax is as
explain real time operating systemreal time operating systema real-time operating system has suitably-defined fixed time constraints processing
explain the action of an interrupt processing routineaction of an interrupt processing routine is as follows1 save contents of registers of cpu this
what are the facilities of a debug monitorthe facilities of a debug monitor are given belowa setting breakpoints into the programb initiating a debug
explain overlay structured program a program having overlays is termed as overlay structured program here an overlay is a part of program that has
explain lexical substitution during macro expansion lexical substitution is used to produce an assembly statement from a model statement model
explain pure and impure interpretersin a pure interpreter the source program is retained into the source form all throughout its interpretation these
explain elimination of common sub expression during code optimizationan optimizing transformation is a regulation for rewriting a segment of a
designed developed tested and documented the demo created for npblox frameworknpblox framework is a framework which enabled developers to create
discuss its advantages over the other evaluation techniquesthe expression tree is determined by using a post-order traversal of the expression tree
highlight the advantages of assembly languagethe benefits of assembly language program would be reduced errors faster translation times changes could
what kinds of statements are present in an assembly language program discussan assembly program contains subsequent three types of statements1
what is assembly languageassembly language it is a family of low-level language for microprocessors programming computers microcontrollers etc all
what are the four necessary conditions of deadlock preventionfour essential conditions for deadlock prevention are1 removing the
explain busy waiting semaphoresweak busy-wait semaphores the simplest method to implement semaphores useful while critical sections last for a short
what is a semaphoresemaphore it is a protected variable or abstract data type that constitutes the typical method for restricting access to shared
differentiate between pre-emptive and non-pre-emptive schedulingpre-emptive scheduling in its approach center processing unit can be taken away from
explain pre-emptive schedulingpre-emptive scheduling in its approach center processing unit can be taken away from a process if there is a require
what is a system calla system call is a request made through any program to the operating