Lecture 2: OS Structure CSC 469H1F Fall 2006 Angela Demke Brown Week 1 Overview • Motivation: Why talk about structure? • Kernel structures • • • • • Monolithic kernels Open systems Microkernels Kernel Extensions (Tuesday) Virtual Machines (Tuesday) CSC469 Week 1 Motivation • Let’s review what OS provides… • • • • Abstraction layers Protection boundaries Resource allocators Resource schedulers • It’s complicated! • Windows NT ~29 million lines of code (as of 2000) CSC469
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Harping Tradition 1600 - 1845 The Irish harp has for many years been a great symbol for Ireland. Although now it is probably seen by most as just the image on the back of our coins‚ or on government letters‚ it has an extensive history rooted behind it. Here we will explore some of the historical background surrounding the harp; from its heyday until its unfortunate decline. For hundreds of years (11th Century onwards)‚ the bardic tradition flourished. Poets‚ Law-Makers‚ Storytellers and Musicians
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BREIF PRODUCT INFORMATION Company Name : CROSSKASE Established : 2012 Product Info : eco-friendly solar backpack has been launched which powers phones‚ camera’s and other hand held devices. Target Market : Super Markets‚ Shopping Malls‚ Book Shops‚ Air Ports etc. Key Financials : Manufacturing Cost: 11500rs Market
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Scientific Management Applied by McDonalds In the twentieth century‚ the principles of Scientific Management had been formalized by the Frederick Taylor for the objectives of developing and designing the ideas so that it gets the employees in the manufacturing industries for producing more profit. Taylor decided in contracting with the other companies for the rearrangement of the production processes in simplifying the tasks that every employee needs to perform. The workers in the Taylorized factories
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St Atanagio is a remote island in the Atlantic. The inhabitants grow corn and breed poultry. The accompanying table shows the maximum annual output combinations of corn and poultry that can be produced. Obviously‚ given their limited resources and available technology‚ as they use more of their resources for corn production‚ there are fewer resources available for breeding poultry. Maximum annual output options Quantity of Corn (pounds) Quantity of Poultry (pounds) 1 1200 0 2 1000 300
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1. PRINCIPES OF ECONOMICS-MANKIEW CHAPTER 1- QUESTION FOR REVIEW (18) No 3. What is inflation and what causes it? = Inflation is an increase in the overall level of prices in the economy. Inflation happen because culprit is growth in the quantity o money when a government creates larges quantities of the nation’s money‚ the value of the money. No 5. Explain the two main causes of market failure and give an example of each! = Externality‚ is the impact of one person’s action on the well being
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Experiment 6: Microbial Cultivation Objectives: To successfully cultivate microorganisms from different sources to medium. Materials: Broth‚ Agar‚ Sterilized cotton swab‚ Procedure: 1) Get your broth with cotton swab inside containing your bacteria. 2) Remove the cotton and flame sterilize the mouth of the testtube. 3) Get your cotton swab inside‚ flame sterilize again the mouth of the testtube then plug it with cotton. 4) Grab the inverted plated media and flame sterilize the
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Econ 2200 Midterm #1 fall 2011 Section I Answer Four of the following six questions. Each question is worth 5 points. a. What is the difference between the Income Effect and a Change in Income? b. True or False: The slope of the budget line represents the rate at which the consumer is willing to trade one good for another at any given bundle. Explain. c. An Engel curve can be both positively and negatively sloped‚ why does this happen? d. What do we mean by the term “Consumer Surplus”? e
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Opportunity cost of an activity (or goods) is equal to the best next alternative foregone. Although opportunity cost can be hard to quantify‚ the effect of opportunity cost is universal and very real on the individual level. In fact‚ this principle applies to all decisions‚ not just economic ones. Since the work of the Austrian economist Friedrich von Wieser‚ opportunity cost has been seen as the foundation of the marginal theory of value[citation needed]. Opportunity cost is one way to measure
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QUESTION 1 a. A downward-sloping demand curve shows in both graphs when the quantity at each price is doubled what it was. However‚ the curve in demand for pharmaceutical drugs is drawn with a relatively steep slope as inelastic products. Equilibrium price down-sloping along the demand curve while quantity in both market increased to some extent. b. In inelastic demand of pharmaceutical drugs‚ the percentage change in price is greater than the percentage change in quantity demanded. While in elastic
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