Chapter 7 Exercise #3 – Given a disk pack with 10 platters yielding 18 recordable surfaces… A = Rotational speed = 10ms B = Transfer rate = 0.1ms/track C = Density per track = 19‚000 bytes D = Number of records to be store = 200‚000 records E = Size of each record = 160 bytes F = Block size = 10 logical records G = Number of tracks per surface = 500 a) Number of blocks per track: (C) / (E*F) 19‚000 / (160*10) 19‚000 / 1600 11.875 11 BLOCKS b) Waste per track: C – (E*F*11)
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Proposed operating Philosophy of the Generator control system Project : Rooty Hill RSL Club Introduction The site is currently with mains power supplied through three transformers each of 1000KVA. Each transformer is connected to a dedicated switchboard with a fault level of 43KA at 1 second. All switchboards are not normally interconnected though they are connected to each other with a 1600A bus coupler which are locked by Integral Energy. Each switchboard is also served by a diesel
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CS 3530 Operating Systems L02 OS Intro Part 1 Dr. Ken Hoganson Chapter 1 Basic Concepts of Operating Systems Computer Systems A computer system consists of two basic types of components: • Hardware components‚ which are the electronic devices and electromechanical devices‚ such as the processors‚ memory modules‚ disk units‚ keyboard‚ screen‚ and other devices. • Software components‚ such as the application programs‚ operating system‚ utilities‚ and other programs. 3 Computer Architecture
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The Role of the Operating Manager in Information Systems Introduction IS (Information System) are the foundation for conducting business today. In many industries‚ survival and even existence without extensive use of IT (Information Technology) is inconceivable‚ and IT plays a critical role in increasing productivity. Although information technology has become more of a commodity‚ when coupled with complementary changes in organization and management‚ it can provide the foundation for new products
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perform. 4. What is a CVE listing? Who hosts and who sponsors the CVE database listing website? CVE listing is a dictionary of publicly known information security vulnerabilities and exposures. IT is hosted by the Office of Cybersecurity and Communications at the U.S. Department of Homeland Security 5. Can Zenmap GUI detect which operating systems are present on IP servers and workstations? Which option includes that scan? Yes‚ the OS detection using TCP/IP stack fingerprinting option
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performance on a multiprocessor system than a single processor system? Explain. Answer: A multithreaded system comprising of multiple user-level threads cannot make use of the different processors in a multiprocessor system simultaneously. The operating system sees only a single process and will not schedule the different threads of the process on separate processors. Consequently‚ there is no performance benefit associated with executing multiple user-level threads on a multiprocessor system.
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Xian- Janssen Pharmaceutical (China) and the Euro INTERNATIONAL FINANCIAL MANAGEMENT Case Questions and Answers 1. How significant an impact do foreign exchange gains and losses have on corporate performance at XJP? What is your opinion of how they structure and manage their currency exposures? During 2003‚ the dramatic raise in the value of Euro against the dollar resulted in foreign exchange losses of Rmb 75 billion‚ out of which Rmb 60 billion were charged as 2003 cost of hedging.
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Batch Files Exercise 1 – Create your first batch file Exercise 2 – Create a directory structure Exercise 3 – Wildcards example Exercise 4 – Wildcards example Exercise 6 - Wildcards Example Exercise 7 – Copy from one drive to another Exercise 8 – Creating a Directory structure Exercise 9 – Copying and moving files Exercise 10 – Removing directories Exercise 11 – Using the ECHO COMMAND Exercise 12 – Using the call command Exercise 13 – Replaceable parameters Exercise 14
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Guide to UNIX Using Linux Fourth Edition Chapter 5 Solutions Answers to the Chapter 5 Review Questions 1. You have just finished a 25-page paper that you have written using Emacs. The file containing the paper is called /assignments/data_sources. After your instructor has briefly looked at the paper‚ she recommends that you change all instances of the reference “data is” to “data are” before you submit it. Which of the following commands can you use to locate these references in the
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destinations‚ they immediately turn back towards C. When car x crosses the C and travels an additional 5 km‚ it crosses the car y. What is the distance between the points A and C? a)120 km b) 150 km c) 80 km d) 70 km 6. Gayatri Books and Binding works prepares 24 cm ´ 24 cm drawing sheets. Ramu‚ a worker in the unit is supposed to pack less than 250 sheets per hour into bundles. If he packs 6 sheets less per bundle‚ then he can pack 12 bundles more per hour. Find the number of sheets he packs per hour
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