throughout its lifetime. Operating system takes care of selecting the processes from these queues in some fashion. Selecting process is done by the the appropriate scheduler. Types of scheduling: Short - term (or) CPU Scheduler Medium – term Long – term (or) Job Scheduler Short – Term Scheduler: Short term scheduler selects the processes that are ready to execute and allocates CPU to one of them. Medium – Term Scheduler: Medium term scheduler is introduced by some operating systems such as time
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1. Briefly‚ what is an operating system? An operating system serves as a hardware/software interface‚ acts as a repository for common‚ shared routines and defines a platform for constructing and executing application software. 2. An operating system presents an application programmer with a relatively "friendly" hardware/software interface. What does this mean? Why is it important? The user interface‚ sometimes called the shell‚ provides a mechanism for the user and application programs to communicate
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Bell Mountain Vineyards is considering updating its current manual accounting system with a high-end electronic system. While the new accounting system would save the company money‚ the cost of the system continues to decline. The Bell Mountain’s opportunity cost of capital is 10 percent‚ and the costs and values of investments made at different times in the future are as follows: Year Cost Value of Future Savings (at time of purchase) 0 $5‚000 $7‚000 1 4‚500 7‚000 2 4‚000 7‚000 3 3‚600 7‚000
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arises. 2 CRITICAL ANALYSIS OF WINDOW 7 OPERATING SYSTEM Windows 7 is an operating system that was developed by Microsoft Corporation for computers (laptops‚ notebooks‚ home and business desktops PCs); it was released to the public 3 years after the release of Windows Vista operating system. Unlike Vista‚ Windows 7 is stable‚ faster and has more support for hardware. 2.1 MAIN FEATURES OF WINDOWS 7 OPERATING SYSTEM Action Center – This is a central place where we can view
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the reception and entertainment of guests‚ visitors‚ or strangers‚resorts‚ membership clubs‚ conventions‚ attractions‚ special events‚ and other services for travelers and tourists. The Hotel and Restaurant Management Industry must have Standard Operating Procedures (SOP) to guide them in their day to day business operation. An SOP is a document which describes the regularly recurring operations relevant to the quality of the investigation. The purpose of an SOP is to carry out the operations procedure
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Expressing and Purifying the Recombinant form of Green Fluorescent Protein (rGFP) from the E.coli strain using Ni2+ agarose affinity chromatography technology Abstract The purpose of this experiment was to express and purify the his6-tagged recombinant form of GFP (rGFP) from the organism E.coli using Ni2+ agarose affinity chromatography. The expression of rGFP was confirmed qualitatively using the UV light and was expressed in the E.coli strain BL21 (DE3) (-- removed HTML --) (-- removed HTML
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Donatello’s best-known work portrays David after he defeated Goliath by striking him with a stone and cutting his head off with Goliath’s own sword. Donatello was the first artist that created a nude life-sized sculpture since antiquity. His bronze sculpture of David indicates that he completely mastered the classical tradition of art. Particularly his sculpture reflects the style of Polykleitos who was one of the best-known Greek sculptors of classical antiquity and one of his famous works of Doryphoros had
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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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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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What is green building? As the global climate warming‚ more and more people focus on building energy efficiency. There is more awareness that CO2 produced by building energy use is the main source of climate warming. Energy-saving buildings become inevitable trend of development‚ the green building also arises in time. Green building can be define as to the construction of the whole life cycle‚ for maximize resource conservation (epa.gov‚ 19/12/2012). It includes energy saving‚ land saving‚ water
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