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
Premium Operating system Linux Unix
Stephen S 04/29/2011 Automobile Repair and Mechanics Automobile repair is not only an interesting field to me‚ also I feel automobile maintenance is necessary knowledge to have in today’s auto market. Like studying for school or learning the skills of a job; I feel knowing how to repair a vehicle will produce a cost effective lifestyle‚ and take out all the hassle anyone who owns a vehicle encounters everyday. How many Americans can change their own oil that don’t work as mechanics‚ or what
Premium Mechanic Automobile Auto mechanic
proactive to the constantly changing dynamics of the business environment within which any organization operates. It is widely recognized at the start of the twenty-first century that the pace of change is accelerating around the world as the globalization of economies forces businesses to respond. Figure 2.1‚ representing the systematic marketing process has‚ at the start of the process‚ an appreciation of the external business environment on which all strategy and subsequent marketing decisions
Premium Marketing
The safety design of the control flow is the control of every aspect of contact with the control of the upper and lower links. For example‚ before feeding the mixer‚ first determine the mixer open whether? The mixer doors are closed no? Mixer clinker emptied no? All this with the material with a good no? System as long as a condition does not meet or did not complete the next step to stop the work‚ and prompted a major problem even alarm. On the surface it seems very complicated cumbersome‚ but in
Premium Concrete Process control Cement
Two Wheeler Industry Overview India is the second largest producer and manufacturer of two-wheelers in the world. Indian two-wheeler industry has got spectacular growth in the last few years. Indian two-wheeler industry had a small beginning in the early 50’s. The Automobile Products of India (API) started manufacturing scooters in the country. Bikes are a major segment of Indian two wheeler industry‚ the other two being scooters and mopeds. Indian companies are among the largest two-wheeler manufacturers
Premium Bajaj Auto
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
Premium Economics Costs
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
Premium Economics Supply and demand Microeconomics
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
Free Agar plate Petri dish Bacteria
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
Premium Economics Microeconomics
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
Premium Supply and demand