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is the process before and after the swap are the same give reasonprocess before swapping is residing in the primary memory in its original form the
engineering applicationsa number of the engineering applications are1 simulations of artificial ecosystems 2 airflow circulation over aircraft
what are the events done by the kernel after a process is being swapped out from the main memorywhen kernel changes the process out of the primary
what is a region a region is a continuous area of a processs address space like text data and stackthe kernel in a region table that is local to the
what is a mapa map is an array which having the addresses of the free space in the swap device that are allocatable resources and the number of the
what is major difference between the historic unix and the new bsd release of unix system v in terms of memory managementhistoric unix uses swapping
what is the difference between swapping and pagingswapping entire process is moved from the swap device to the major memory for implementation
what is a shella shell is an interactive user interface to an operating system services that permits an user to enter commands as character strings
discuss the mount and unmount system callsthe privileged mount system call is used to join a file system to a directory of another file system the
how do you create special files like named pipes and device filesthe system call method forms special files in the following sequencekernel assigns
what is a fifofifo is otherwise known as named pipes fifo first-in-first-out is a particular file which is said to be data transient once data is
what is inodeall unix files have its description kept in a structure called inode the inode have info about the file-size its location time of last
how are devices represented in unixall devices are shown by files called special files that are located in dev directory therefore device files and
scientific applicationsimage processingmajor of concurrent processing applications from science and other academic disciplines are mostly have based
applications of parallel processingparallel computing is an development of sequential computing which tries to emulate what has always been the
program levelthis is normally the liability of os operating system that runs processes simultaneously different programs are generally independent of
procedure levelhere parallelism is obtainable in the form of parallel executable procedures in that case design of algorithm plays a key role eg
loop levelat this stage following loop iterations are candidates for parallel execution though data dependencies among subsequent iterations can
instruction levelit refers to condition where different instructions of a program are implemented by different processing elements most processors
the need of parallel computation with the growth of computer science computational pace of the processors has also increased many a times though
granularitygranularity refers to the quantity of computation done in concurrent relative to the size of whole program in concurrent computing
the concept of concurrent and parallel executionreal world systems are concurrent in nature and computer science is about modeling the real world
the concept of threada thread is a sequential flow of control within a process a process is able to have one or more threads threads have their own
the concept of programfrom a programmers viewpoint generally a program is a well-defined set of instructions written in a specific programming
explain performance evaluation in parallel computingin this section we will discuss the key attributes used to measure performance of a computer