1.5 Modern OS are interrupt driven. Events are almost signaled by the occurrence of an interrupt or a trap‚ which caused either by an error or by a specific request from a user program that an OS service be performed .Dual-mode Operation allows OS to protect itself and other system components whereas Multimode Operation increasingly CPUs support multi-mode operations. System call provides the means for a user program to ask OS to perform OS tasks on the user program’s behalf. When a system callis
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OPERATING M86-02 8086 BASED MICROPROCESSOR --------------------------------------After power on the system we have the following text displayed on LCD. If the text is not displayed‚ press reset button. (Note reset always brings LCD to this initial position). Press enter to see the main menu as shown The following we describe the function of each command A= ASSEMBLE This command is used to convert input assembly language into the machine language. To activate simply press ‘A’ on main menu
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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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pages Introduction…………………………………………………………………………… Task 1: …………………………………………………………………………………. Organisations structure and culture Executive Summary: This report includes a research and finding of information about two large organisations’- Tesco and Coca-Cola. On the basis of findings it needs to compare and contrast between structure and culture of two organisations and also needs to explain how the relationship between structure and culture can impact on the performance of
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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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English Language is Globally Important English is the major language in such fields as international diplomacy‚ business and commerce‚ science and technology‚ and the travel industry. How did English become such an important global language? British Colonialism Took English to North America‚ the Caribbean‚ Africa‚ Australia‚ New Zealand‚ and the Indian sub-continent U.S. rise as a strong economic and strategic power Pop Culture English became the language of diplomacy
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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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INTERNET MARKETING AND ITS IMPACT GLOBALLY BOTH POSITIVELY AND NEGATIVELY. INTRODUCTION. Internet marketing. Refers to advertising and marketing efforts that uses the web and emails to drive direct sale via commerce. 14 years ago J. A. Quelch and L. R. Klein described in their article The Internet and internal marketing‚ (Quelch and Klein‚ 1996) how the development of the internet could affect global markets‚ new products development‚ market research process and other aspects of international marketing
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Operating leverage Def. of leverage - The degree to which an investor or business is utilizing borrowed money. Companies that are highly leveraged may be at risk of bankruptcy if they are unable to make payments on their debt; they may also be unable to find new lenders in the future. Leverage is not always bad‚ however; it can increase the shareholders’ return on investment and often there are tax advantages associated with borrowing. Def of operating leverage- a measurement of the degree to
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