System Analysis and System Requirements Object Modeling‚ Process Modeling‚ and Strategies for System Analysis and Problem Solving April 6‚ 2005 Object Modeling A class can be described as a collection of objects of similar type. These objects often share the same attributes‚ operations‚ methods‚ relationships‚ and semantics. Additionally‚ once a class is defined any number of objects can be created and associated to that class. For example‚ beagles and boxers represent different breeds (i
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1. MySQL is the world’s second most widely used open-source relational database management system (RDBMS). It is named after co-founder Michael HYPERLINK "http://en.wikipedia.org/wiki/Michael_Widenius"Widenius’s daughter‚ My. The SQL phrase stands for Structured Query Language. The default port of Mysql is 3306. The MySQL development project has made its source code available under the terms of the GNU General Public License‚ as well as under a variety of proprietary agreements. MySQL was owned
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Case Project 1-1 Networking Gadgets‚ Inc. requirements are secured centralized access network for 18 people that is easy to manage and back up. They need server-based network because peer-to-peer network model has no centralized authority or control over resources. On the other hand‚ server-based network provides centralized control over network resources and will have secure access to project files and will fulfill company’s need for centralized management and back up requirement. So‚ all of
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Confirmation of Own Work Programme/Qualification name: Bsc (Hons) Business Computing and Information Systems All NCC Education assessed assignments submitted by students must have this statement as the cover page or it will not be accepted for marking. Please ensure that this statement is either firmly attached to the cover of the assignment or electronically inserted into the front of the assignment. Student Declaration I have read and understood NCC Education’s Policy on Academic Dishonesty
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re Programming Languages Submitted To: Madam Amna Naveed Submitted By: The Programmers COMSATS – Lancaster Dual Degree Programme COMSATS Institute of Information Technology Lahore PROGRAMMING LANGUAGES SUBMITTED TO: Madam Amna Naveed Lecturer Department of Humanities & Social Sciences COMSATS‚ Lahore SUBMITTED BY: Sana Naheed Mohammad Nawal Shaukat Syed Usama Nasir Hafiz Abdul Shakoor ddp-fa12-bse-115 ddp-fa12-bse-103 ddp-fa12-bse-130 ddp-fa12-bse-034 Date: April 18‚ 2013
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1. Introductions In this assignment‚ a software package named ‘ERACS’ is used for diagram building of a power system‚ Load flow analysis‚ Balanced and Unbalanced Short Circuit analysis. Calculate the short circuit level (in MVA) in balanced‚ the current fed into the fault and the voltages of the healthy at bus 4 of the unbalanced circuit. Analyze and compare these two results which got by theory and analytical procedures with the system performance. 2. Procedures and Comments I.
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Cost Benefit Analysis Developing and installing a new IT system is an investment and can help the business create profit. Carrying out a cost benefit analysis helps to give management an idea of the costs of the new system‚ its benefits and risks. Each phase of the development/implementation has a cost and when analysing the new system you should take into account the cost of: • Personnel • Equipment • Supplies • Overheads • Consultant’s Fees Some costs are a one time charge eg Development
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4 RELATIONAL DATABASES SUGGESTED ANSWERS TO DISCUSSION QUESTIONS 4.1 Contrast the logical and the physical view of data and discuss why separate views are necessary in database applications. Describe which perspective is most useful for each of the following employees: a programmer‚ a manager‚ and an internal auditor. How will understanding logical data structures assist you when designing and using database systems?</para></question><question
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Linear Programming History of linear programming goes back as far as 1940s. Main motivation for the need of linear programming goes back to the war time when they needed ways to solve many complex planning problems. The simplex method which is used to solve linear programming was developed by George B. Dantzig‚ in 1947. Dantzig‚ was one in who did a lot of work on linear programming‚ he was reconzied by several honours. Dantzig’s discovery was through his personal contribution‚ during WWII when Dantzig
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Database Management Systems Tutorial Week 1 Weight 1% . . ASSESSABLE TASKS OF THE WEEK 1. Investigate data and information Data is collected about individuals and groups by a large number of organisations and in a variety of ways. a) Form a group of approximately four students and discuss the organisation that is allocated to you by your tutor. b) Fill in the following table as you discuss what data is collected by the different organisation types‚ and how this data is used
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