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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Input/output (I/O) devices). (ii) Operating System (OS) Controls and coordinates the use of the hardware among the various application programs for the various users. (iii) Applications Programs /Application Software Define the ways in which the system resources are used to solve the computing problems of the users (compilers‚ database systems‚ video games‚ business programs). (iv) Users Include people‚ machines‚ and other computers. 1.1 Common operating system platforms include: Windows(NT
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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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product/services‚ adequate staff and the layout of the facility. The layout of the clinic was created with intentions of being an outpatient animal care facility. These services would include minor surgical operations and examinations. By accommodating to customer needs of pet grooming‚ Dr. Barr went off course with her initial purpose of the clinic. Currently‚ she is providing surgical operations‚ examinations and pet grooming. Her clinic layout was built strictly for outpatient surgeries on animals with a
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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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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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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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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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Comparing the Hillside Veterinary Clinic Marketing Plan to the standard marketing plan outline‚ you can easily see certain aspects of business marketing that HVC has overlooked. First‚ not keeping customer email addresses is a huge mistake. E-mail marketing is a very effective and affordable effort‚ especially if the growing housing market is catering to new families‚ younger people who practically live on their iPhones and Laptops. Not even having a website is mistake #2. There are simple web
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