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the swapper works on the biggest scheduling priority initially it will look for any sleeping process if not get then it will see for the
the term ipc inter-process communication defines several paths by which different process executing on some operating system interact between each
when you run a program on your unix system the system prepares a special environment for that program this environment owns everything needed for
the most comman difference are given belowsystem calls are heavy while a procedure call can generally be performed in a few system instructions a
4.describe priority scheduling algorithm. consider the following set of processes. show the order in which the algorithm will schedule these
present your own fully documented and tested programming example illustrating the problem of unbalanced loads. describe the use of openmps scheduler
the term thread-safe in computer programming describes that routine or portion of the program that may be called from multiple programming threads
present your own fully documented and tested programming example illustrating the prevention of a data race in a parallelised program.this is an
research the phenomenon of data races. give an example of how an unprotected data race can give rise to data inconsistency. how do openmp and cilk
discuss the concepts of task decomposition and data decomposition within the context of parallel programming.parallel programming or
identifying parallelisma formal way to identify parallelism in an activity is to draw a task dependence graph in a directed graph in which each
describe the differences between foreground and background processing. what advantage does background processing provide?1. background processes
what is an operating system process? how is it different from a program? why do we need the concept of a process rather than simply talk about
The 12-bit address identifies a particular Memory location or I/O device. Show the program execution (using the format of Figure 3.5) for the following programs
Consider a single-level cache with an access time of 2.5ns, a line size of 64 bytes, and a hit ration of H= 0.95. Main memory uses a block transfer capability that has first-word (4 bytes) access time
At time 230 five processes (P1 - P5) are waiting for a timeout signal.They are scheduled to wake up at times: 260, 320, 360, 430, 450.
Suppose that a computer using direct-mapped cache has 2^24 words of main memory and a cache of 64 blocks, where each cache block contains 16 words.
What is "file type?" Where do file types come from? What are some of the information that file types provide (tip: think about copying and pasting, as well as importing/exporting between files)? How c
Given the following set of events, show which routines the CPU is executing for times 0 to 100 ns. Each handler routine (with its interrupt request) takes 20 ns to complete
The Toronto IT department wants to install Windows Server 2008 Standard Edition on all 14 new servers in its location. The servers have arrived, are unpacked, and have been tested. Also, the prelimina
Consider a single platter disk with the following parameters: rotation speed: 7200rpm; number of tracks on one side of platter: 30000; number of sectors per track: 600; seek time: one ms for every hun
This week you work with Gym Masters, a company that makes equipment for fitness centers and gyms. Gym Masters makes tread mills, stair steppers, cross trainers, exercise bikes, free weights, and stati
Your friend has a windows XP desktop system that contains important data. He frantically calls you to say that when he turns on the computer, the lights on the front panel lights up and he can hear th
Some instruction at the operating system machine level are identical to ISA language instruction. These instruction are carried by the micro program rather than by the operation system . In light of y
Other than installing virus and worm control software, what can SLS do to be ready for the next incident?