Objectives What are Data Flow Diagrams (DFDs)? Why they are useful? How are they developed? How to level DFDs? Good style conventions in developing DFDs Difference between Logical and Physical DFDs Tools available to draw DFDs V. Rajaraman/IISc. Bangalore //V1/June 04/1 System Analysis and Design/ Tools for systems analysts Motivation Motivation WHY DFD ? Provides an overview of -What data a system processes -What transformations are performed -What data are stored -What
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TYPES OF DATA FLOW DIAGRAM: LOGICAL DFD PHYSICAL DFD Data Flow Diagrams (DFDs) are categorized as either logical or physical. A logical DFD focuses on the business and how the business operates. It describes the business events that take place and the data required and produced by each event. On the other hand‚ a physical DFD shows how the system will be implemented. Design Feature Logical Physical What the model depicts How the business operates How the system will be implemented
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University of Gujrat A World Class University Department of Computer Science COURSE DESCRIPTION Course Code CS-203 Course Title Data Structures Credit Hours 4 Category Core Prerequisite Knowledge and Experience in Programming Fundamentals and Object Oriented Programming Expertise in design‚ implementation‚ testing‚ and strong debugging of object-oriented programs. Inner Classes and Exception Handling Amis and Objectives “An apprentice carpenter may want only hammer and saw‚ but a master craftsman
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underlying attribute values of objects subjected to clustering analysis. In doing so‚ the privacy of individuals’ data would be protected. In this age of data mining‚ we felt that working on data privacy was of paramount importance. We worked in a group of 3 on this and my role specifically was to design and implement the ‘K-means’ algorithm that clusters the data and forms the basis for the data transformation. In addition to my thesis‚ I worked on a solo project which involved developing an inventory
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Department of Information Technology LAB MANUAL IT2205 – Data Structures and Algorithm Lab INDEX 1. Array Implementation Of Stack 2. Application Of Stack – Conversion Of Infix To Postfix 3. Implementation Of Linear Queue Using Arrays 4. Array Implementation Of Circular Queue 5. Linked List Implementation Of Stack 6. Singly linked list – Linked list implementation 7. Doubly
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Data Security and Regulations SRK Abstract This paper discusses data security‚ its importance and implementation. The way threats are posed to information of organizations is also discussed. There are plenty of leakage preventive solutions available in the market. Few of them are listed in the paper. There is a list of regulations governing data security in financial and healthcare sector at the end. Data Security and Regulations As we are advancing into information age‚ more
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Support Spatial Data Mining Gennady Andrienko and Natalia Andrienko GMD - German National Research Center for Information Technology Schloss Birlinghoven‚ Sankt-Augustin‚ D-53754 Germany gennady.andrienko@gmd.de http://allanon.gmd.de/and/ Abstract. Data mining methods are designed for revealing significant relationships and regularities in data collections. Regarding spatially referenced data‚ analysis by means of data mining can be aptly complemented by visual exploration of the data presented on
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Analyzing and Interpreting Data Ballard Integrated Managed Services (BIMS) conducted an internal survey for 440 employees‚ excluding top management‚ asking 10 questions on morale and four questions on demographics. BIMS upper management noticed a change in staff morale and an increase in the staff turnover rate‚ which initiated the survey. Barbara Tucker‚ General Manager‚ wants to discover what is making employees want to leave and has enlisted the help of Debbie Horner. Debbie Horner‚ human
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Assignment 3: Business Intelligence and Data Warehouses Instructor Name: Jan Felton CIS 111 6/23/2014 Strayer University: Piscataway Difference between the structure of database and warehouse transaction Database is designed to make transactional systems that run efficiently. Characteristically‚ this is type of database that is an online transaction processing database. An electronic strength record system is a big example of a submission that runs on an OLTP database. An OLTP database is typically
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REPORT ON USES OF DATA BASE IN DIFFERENT SECTORS BY MANAGERS SUBJECT- MANAGEMENT INFORMATION SYSTEM SUBMITTED TO: DR. RICHA MISRA SUBMITTED BY: SHUBHADIP BISWAS ROLL NO.-FT-10-948 SEC-A GDM 10-12 IILM-GSM DATE
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