Solve the problem and show the work Consider the processes P1 and P2 as shown below. Use semaphores to ensure that the functionsare executed in the order fl(), gl(), g2(), f2().P1 P2f10 g10f20 g20

To ensure that the functions are executed in the order `fl(), g1(), g2(), f2()` using semaphores, we…

Answered: Consider the processes P1 and P2 as…

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter10: Application Development

Section: Chapter Questions

Problem 6VE

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A deadlock is the very unpleasant situation that may occur in very dynamic world of running processes, a situation that must be avoided at all costs. One famous algorithm for deadlock avoidance is the Banker's algorithm for deadlock avoidance. The version of this algorithm presented in this module's commentary gives just one solution (the Greedy approach). Consider the Greedy approach to the Banker's algorithm. Give an example of application of this algorithm for 7 processes (named P1, ... , P7) and 5 resource types (named R1, ... , R5). Start by listing the matrices involved in this algorithm, that constitute its input data; also, do not forget to mention the overall resources of each type available in this fictional system. Proceed by describing the algorithm, step by step; for each step, mention the test performed, which process was chosen, what is the old and new status of the Work array, etc. In the end, list the solution, that is the safe sequence of processes resulting from this…
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There are many algorithms presented in this text that would lend themselves to beincluded as subprograms in the utils.asm file. Implement some or all of the followinginto the utils.asm file, properly documenting them, and include programs to test them.a. NOR subprogram - take two input parameters, and return the NOR operation onthose two parameter.b. NAND- take two input parameters, and return the NAND operation on those twoparameter.c. NOT- take one input parameters, and return the NOT operation on that parameter.d. Mult4 - take an input parameter, and return that parameter multiplied by 4using only shift and add operations.e. Mult10 - take an input parameter, and return that parameter multiplied by 10using only shift and add operations.f. Swap- take two input parameters, swap them using only the XOR operation.g. RightCircularShift - take an input parameter, and return two values. The firstis the value that has been shifted 1 bit using a right circular shift, and the second isthe…
you are to design a printer queue that is responsible for handling the printing requests coming from different users. You have to take into consideration that users have different levels of priorities. Each user has an identification number and a password, in addition to printing priorities. One good idea is to design the queue using an array or pointers while preserving the first-in first-out concept of the queue. For every printing request received, the program should check the priorities of that request and whether it can be moved forward in the queue to be served by the printer prior to serving the other requests. Using the programming language of your choice (preferably C++), write the printer queue that would handle the user request. The program must allow for requests coming from different users or from one user. Note: I need a working C++ code for this problem, and i need priorities.
Exercise 1.A set W of strings of symbols is defined recursively by a, b, and d belong to W. If x belongs to W, so does a(x)d. Provide 3 strings made of 3 letters each belonging to W and show the procedure used to obtain them. Provide 3 strings made of at least 5 letters each belonging to W and show the procedure used to obtain them.
Implement the code for below assignment Map (the mapper function) EmitIntermediate(the intermediate key,value pairs emitted by the mapper functions) Reduce (the reducer function) Emit (the final output, after summarization from the Reduce functions)We provide you with a single system, single thread version of a basic MapReduce implementation. Task The input is a number of test cases with two matrices each. A single test case will look like: The required output is to print the product of the two matrices in the format shown. The code for the MapReduce class, parts related to IO etc. has already been provided. However, the mapper and reducer functions are incomplete. Your task is to fill up the mapper and reducer functions appropriately, such that the program works, and outputs the product of the two matrices, in row-wise manner. Also, this program outputs certain information to the error stream. This information has been logged to help beginners gain a better understanding of the the…
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Must be new solution and run on GNU Common Lisp! Using Lisp, write a program that solves the Missionaries and Cannibals problem that uses a DFS( depth first search). It should use (mac start end). Start is the current state (which can be (3 3 l) and End is the goal state (which can be (0 0 r). This should output the sequences of moves needed to reach the end state from the start state. This should print nil if there is no solution. For example, the call should be something like this! Call: (mac '(3 3 l) '(0 0 r)) Output: ((3 3 l) (2 2 r) (3 2 l) (3 0 r) (3 1 l) (1 1 r) (2 2 l) (0 2 r) (0 3 l) (0 1 r) (1 1 l) (0 0 r))
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Consider the processes P1 and P2 as shown below. Use semaphores to ensure that the functions are executed in the order fl(), gl(), g2(), f2(). P1 P2 f10 g10 f20 g20