Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Deadlock: A- Given the sequence of resource requests below, draw the resource allocation graph and answer the following questions: - Process A is holding resource S and is requesting resource X. - Process B is holding resources X, Y and is requesting resource W. - Process C is holding resource W and is requesting resource Z. - Process D is holding resource Z and is requesting resource Y and S. 1- List the reasons which causes deadlock to occur in multiprogramming environment. 2-Discuss how can the deadlock detection algorithm for one resource find out if a deadlock exists in the above sequence? 3- List the deadlocked processes. 4- Discuss at least two possible recovery solutions. Which one is better? Why? 5- List the recovery process-scheduling sequence corresponding to each solution given in the question above.
B- Name a proper method to be used for each of the following cases: Banker's algorithm - Deadlock avoidance for multiprogramming system. ------- preemption-------------------- - Deadlock recovery for real-time system. --------------------------- - Disk head scheduling for busy system. --------------------------- - File system implementation for batch applications. --------------------------- - Data transfer method for Database applications. --------------------------- C- Consider a system state which consists of the set of running processes A, B, C, D, and E. Assume that the system has four different types of resources R1, R2, R3, and R4. The total numbers of resource copies available in the system are: 6, 4, 4, and 2 in order. The maximum claim and the current resources allocation tables are given below.
Process
R1
R2
R3
R4
A
3
2
1
B
4
C
0
D
E
Maximum Claim Table
Current Allocation Table
1- List the resource allocation table for each individual resource type. 2- Is the current system state safe? Why?3- Answer the above question if D requests a copy of R4 and another copy of R2.Answer question number 2above if C requests a copy of R1 and at the same time B reserved a copy of R3.
Required help creating a document that Develop an application that will read and procedure customer history order information from a document.
In different communications models, communication may take place using either "message passing" or "shared memory". Distinguish between "message passing" and "shared memory", illustrating your answer with a diagram Give three advantages of virt..
Saguaro Federal has mainframes for all of its banks and businesses. Should the corporations use the Ethernet or Token Ring protocol? Describe your choice. Discuss why is this choice appropriate?
Determine what does just in time inventory management have to do with the Carle Heart Center in Urbana, Illinois?
Calculate the total execution time of a program consisting of 100 instructions for NIOS II/f(6-stage pipeline) if five instructions are branch instructions. Clock frequency is 50MHz. Consider two cases: (1) 100% success in branch prediction, (2) n..
Consider a web server with one CPU that serves web requests; each web request requires 3 (time) units of CPU processing and 9 (time) units to read data from disk.
Analyze the user interaction interface of a typical website that you might wish to improve and design in terms of any ethical considerations that might require to be addressed.
What speedup could be expected in the steady state by using a merging write buffer instead of a nonmerging buffer when zeroing memory by the execution of 64 bit stores if all other instructions could be issued in parallel with the stores and the b..
Assume you are an independent consultant who specializes in IT security issues. You have been retained through the Designer Distributions corporation, a mid-sized and growing customer goods distribution corporation.
Some companies think that IT planning is a waste of time because the competitive environment and technologies change too rapidly.
Consider a computer system where the overhead required for reading a word from the page table is 1.25ms. A TLB lookup of a word requires 250 ns.
What is the difference between a safe state and an unsafe state in a deadlock-avoidance system?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd