a) Process A has three threads A1- A2- and A3 with estimate running ti.docx

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a) Process A has three threads A1, A2, and A3 with estimate running time of 10, 20, and 15 msec. Process B has two threads B1, and B2 with estimate running time of 10 and 5 msec. The process quantum time is 20-msec and threads can run up to 5-msec CPU burst. Determine the mean thread turnaround time for the user level Round Robin threads scheduling (i.e. schedule threads in each process). List detailed computation steps. Solution Assume that both process arrive at the time 0msec. Process A has 3 threads A1,A2,A3. Process B has 2 threads B1,B2. Scheduling algorithm- Round Robin. Time quantum 20 msec for process CPU btime time-5 msec Gantt chart: each thread executes 5 msec time,if it finishes with in that it will releases the CPU. Here process B finished it\'s execution with in the given time quantum, so CPU will be given for process A completely. Turn around time=completion time- arrival time. Turn around time of A1=20 msec. Turn around time of A2=60msec. Turn around time of A3=55msec. Turn around time of B1=35msec. Turn around time of B2=30msec. Average turn around time={20+60+55+35+30}/5. =200/5. =40 msec. Turn around time varies based on the scheduling algorithms and the order in which process scheduled. .

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Turn around time of B2=30msec.
Average turn around time={20+60+55+35+30}/5.
=200/5.
=40 msec.
Turn around time varies based on the scheduling algorithms and the order in which process
scheduled.
A1 A2 A3 A1 B1 B2 B1 A2 A3 A2 A3 A2

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A) member functions B) member variables C) constructor and destructor functions D) All of these E) None of these type of member variable may be accessed before any objects of the class have been created. 2) This A) private B) public C) inline D) static None of these 3) This operator may be used to assign one object to another. A) D) e E) None of these 4) CH requires that a copy cons parameter be a(n) A) integer data type B) floating point data type pointer variable D) reference object E) None of these 5) C++ allows you to redefine the way work when used with class objects A) compiler errors E) preprocessor directives C) standard operators D) undefined variables E) None of these 6 When objects contain pointers, it is a good idea to create an explicit function. A) insertion operator copy constructor static constructor D) inline constructor E) None of these Solution 1.b) member variable 2 d) static 3 a) = 4 d) reference object 5 c) standard operators 6 b) copy constructor .

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a) Compare interstitial and vacancy atomic mechanisms for diffusion. (b) Cite two reasons why interstitial diffusion is normally more rapid than vacancy diffusion. Solution (a) With vacancy diffusion, atomic motion is from one lattice site to an adjacent vacancy. Self-diffusion and the diffusion of substitutional impurities proceed via this mechanism. On the other hand, atomic motion is from interstitial site to adjacent interstitial site for the interstitial diffusion mechanism. (b) Interstitial diffusion is normally more rapid than vacancy diffusion because: (1) interstitial atoms, being smaller, are more mobile; and (2) the probability of an empty adjacent interstitial site is greater than for a vacancy adjacent to a host (or substitutional impurity) atom. .

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A.Sodium sulfate is dissociating in water. B.Ethylene glycol contains ionic bonds. C.Molecules containing covalent bonds tend to fully dissociate in water. D.Solid sodium sulfate contains ionic bonds. E.Ethylene glycol contains covalent bonds. F.Ethylene glycol is dissociating in water. G.Ethylene glycol contains some ionic and some covalent bonds. H.Solid sodium sulfate contains covalent bonds. Consider the particulate mode on the right contains a solution of sodium sulfate. I below to answer the following questions. T he beaker on the left contains a solution of e thylene glycol, and the beaker Solution Sol:- A. True , sodium sulphate salt is a strong electrolyte and dissociated completely in aqueous solution as shown in the fig. bigger ions in sodium sulphate solution are of sulphates. B.False , ethylene glycol only contains covalent bonds , because all the atoms in ethylene glycol are non metals . C.False , molecules contains covalent bonds are not dissociated fully in water.because molecule containing covalent bonds are generally insoluble in water. D.True , because solid sodium sulphate contains ionic bonding between Na^+ and SO4^2- ions. E.True as ethylene glycol contains covalent bonds only. F. False as ethylene glycol contains covalent bonds and covalent bonds do not dissociated into ions. G.False , only contains covalent bonds. H.False , because solid sodium sulphate contains ionic bonds. .

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A-11 Present Value of Cash Flows Star City is considering an investment in the community center that is expected to return the following cash flows: This schedule includes all cash inflows from the project, which will also require an immediate $212,000 cash outlay. The city is tax-exempt; therefore, taxes need not be considered. What is the net present value of the project if the appropriate discount rate is 24 percent? Solution NPV = $-20500.50 .

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A. Organizations typically adopt a consistent decentralization or centralization philosophy across all their business functions. Do you agree or disagree? Explain. B. define decentralization and provide an example of an organization that has successfully implemented this policy. C. How should managers deal with income tax issues when choosing a transfer-pricing method that involves multinational considerations? D. Solution A. Yes, I completely agree with this Statement. Every Organization adopt both the Philosophies. Organization must establish whether its decision-making policies are centralized or decentralized. Highly centralized companies tend to have more bureaucratic traits, while highly decentralized companies tend to appear more out of control. Both extremes appear engulfed with inefficiencies and waste. High performance work systems seem to have more decentralized decision-making features, yet their culture, formed around their philosophy and values, is highly centralized. Creating a centralized philosophy and value system allows employees to become more empowered to make their own decisions, leading to decentralization. B. Decentralization is characterized by relatively few layers of management, with few centralized policies and procedures. Each group, whether a division, location, or team, creates its own practices based mostly on the organization .

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A. Discuss some types of personal information that companies collect from their customers and discuss what they are used for. How is information collected, and do the customers know about it? Do they have a choice in the matter? Explain how. B. from monitoring employee email communications? Discuss whether or not you think the company has a right to monitor email and personal use of the Internet and explain why. C. Discuss the collection of evidence for audits of an AIS. How is it different from evidence collection for a company that doesn\'t utilize AIS? Solution 1.\"Information is Power\" and this wisdom is being increasingly used in business .Companies collect demographic, psychographic and behavioural information of the customer through direct and indirect methods. While a survey could be a direct method , there are many data analytic tools that are available to collect data on psychographics and behaviour from the purcahse history of the buyers , and all thses are indirect methods. One of the example is of Facebook and Google monitoring the site visits of users and profileing them for more focused advertisements. 2.In this digital world where everyone is connected virtually , it is impossible to survive without mails , whether it is official or personal. Organizations should not snoop into personal mails of employees unless otherwise those mails are affecting official work.It is wrong to tresspass into private matters. 3.Evidence can be collected in traditional way and also digitally. Collection of digital information is more easy and relevant and the wrong doers can be detected online promptly. .

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