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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Operating Systems Assignment #5 Of Chapter 4 Eighth Edition of Operating System Concepts by Avi Silberschatz Peter Baer Galvin & Greg Gagne 2009 4.1 Provide two programming examples in which multithreading does not provide better performance than a single-threaded solution Answer: (1) Any kind of sequential program is not a good candidate to be threaded. An example of this is a program that calculates an individual tax return. (2) Another example is a "shell" program such as
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COMPARISO BETWEEN DIFFERENT TYPES OF OPERATING SYSTEMS These tables provide a comparison of operating systems‚ listing general and technical information for a number of widely used and currently available PC and handheld (including smartphone and tablet computer) operating systems. The article‚ usage share of operating systems provides a broader‚ and more general‚ comparison of operating systems that includes servers‚ mainframes and supercomputers. Because of the large number and variety of
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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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days are none other than the modern trends that exist now and ceased to exist in the past. What are trends exactly? According to Wikipedia: “trends are behaviors that develop among a large population that last longer than ten years. These trends usually occur in fashion‚ business or technology.” Every generation has different trends‚ and like changes‚ trends are not everlasting and they are replaced with newer trends every now and then. For many people‚ trends might seem insignificant and redundant
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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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options regarding the pensions and lump sum amounts offered to members who will retire. The GSIS benefits and programs are more flexible and extend to the needs of the members. It’s not only about life insurance‚ loans and retirements. The launching the new GSIS ecard has been one of the most amazing things that’s been offered to the members. With it‚ you don’t only have ease of access to your membership records‚ you can also avail the cash advance and salary loans in one touch. I love the GSIS because
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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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command to the input of another command. 5. Because the data was formatted the same in two inventory files‚ you decided to combine their contents into one file. Now you want to determine if there are duplicate entries on consecutive lines in the new file. Which of the following commands enables you to find the duplicate entries? Answer: c. uniq 6. Your friend is using the command comm entryfile‚ but is getting an error message. What is the problem? (Choose all that apply.)
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Haan mei aurat hoon..... Concept- Written by- Character sketches:- Durga- The main protagonist of our story is bold and beautiful‚ aggressive‚ a good dancer‚ humane‚ outspoken‚ straightforward‚ takes her stand for what she feels is right‚ rebellious‚ selfless‚ sacrificing‚ helpful. Akanksha- She is a ministers daughter‚ she is very similar to Durga. The only difference between them is that Durga is Selfless and Akanksha somewhere is selfish. Vivek- Akanksha’s best friend‚ he’s a darrpok
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