arrived while P2 was executing as well‚ so among the two waiting processes‚ P4 will be chosen as its burst time is less‚ P3’s burst time = 9‚ whereas P4’s burst time is only 1‚ this is why it is called shortest-Job-First scheduling algorithm‚ it looks at the arrival times‚ and compares the jobs it has waiting‚ and chooses the job with the shortest burst length. If you add P4’s burst time to the running total (time = 9)‚ the new total execution time is‚ time = 9 + 1 = 10 (running total 3). If you
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POWER POINT PRESENTATION INTRODUCING JAVA ON BLUEJ ENVIRONMENT INTRODUCTION Bluej is an integrated development environment‚ based on the language blue which was designed and implemented by michael kölling and john rosenberg (kölling & rosenberg‚ 1996) to teach object-oriented programming. Bluej has the same visual environment as blue‚ but uses java (gosling‚ joy & steele‚ 1996) as the implementation language. Java is a language that is currently popular in industry‚ and students beginning the
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Information Technology | Unit number + Title | 2. Computer Systems | Assignment number + Title: | 1. Decoding the Jargon | Assessment Criteria: | P1 P2 M1 | Purpose / Aims (learning outcomes) | LO1 Understand the components of computer systemsP1 Explain the function of computer hardware componentsP2 Explain the purpose of operating systemsM1 Compare the features and functions of different operating systems | Introduction (Scenario) | You have been approached by
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1. (Chapters 1‚ 2 and 3) For Alex Rogo‚ Lou and Bob Donovan. What performance measures are important to each of them? How about Bill Peach? Alex Rogo：His performance measure is the efficiency. That is to complete the order at a relatively lower cost and increase the economy scale. Alex said‚ “We can’t just dedicate the entire plant to one order at a time. The economies of scale would disappear. Our costs would go well‚ they’d be even worse than they are now. We can’t run the plant just by the
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Chapter I PROBLEM AND ITS BACKGROUND 1. Introduction Nowadays‚ various systems expand in different areas of specialization. Most of them created by the demand and to give solutions on common problems encountered by the society. Being organized on everything makes our work fast and efficient. Lyceum of Alabang‚ one of those educational institutions uses a traditional Class Scheduling System wherein the students need to exert more effort looking for their schedule. The students
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Introduction about Linux Linux is an operating system that was initially created as a hobby by a young student‚ Linus Torvalds‚ at the University of Helsinki in Finland. Linus had an interest in Minix‚ a small UNIX system‚ and decided to develop a system that exceeded the Minix standards. He began his work in 1991 when he released version 0.02 and worked steadily until 1994 when version 1.0 of the Linux Kernel was released. Linux is developed and released under the GNU General Public License and
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CCM4320 Network Systems and Services Comparison between the Network Operating systems Like Linux‚ Windows 2000 and Distributed operating system Amoeba. Group Members : Yedukondalu Madhumanchi (M00295179) Saroop kumar reddy Chidirala(M00333357) Date of Submission : 25-Feb-2011 Campus : Hendon School of Computing Science Dr G E Mapp Middlesex University List of Contents
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will look at British Petroleum‚ BP‚ one of the largest oil companies in the world. Following the Gulf Oil Spill does BP have sustainability in this market? This paper will examine the early history of the company. It will look at the competitive advantages of the organization by looking at its SWOT analysis. The company’s market strategy will be examined including its growing interest into alternative fuels. Its internal structure will be compared to the persona that BP is trying to convey that they
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Documents Stack Welcome to Mac OS X Lion. The Dock in Lion includes Stacks‚ which you can use to quickly access frequently used files. Stacks are simple to create. Just drag any folder to the right side of the Dock and it becomes a stack. Click a stack and it springs from the Dock in either a fan or a grid. To open a file in a stack‚ click the file once. Mac OS X Lion includes two premade stacks called Documents and Downloads. You opened this file from the Documents stack. The Documents stack
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A History of Operating Systems To understand and to be prepared for the future of computer support it helps to know the history of operating systems. The operating system is the software that links the user to the computer’s hardware. Early mainframes (the predecessor of the personal computer) did not use an operating system. Programs were loaded onto the mainframe by paper punch cards‚ magnetic or paper tape. The user would start the program and wait for the program to complete‚ or crash
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