The Hertzsprung-Russell Diagram or‚ the H-R Diagram for short‚ is a graph which plots stars according to their temperature and absolute magnitude. This graph reveals a pattern‚ which in fact is quite interesting. The H-R Diagram is named for the two astronomers‚ Ejnar Hertzsprung and Henry Russell‚ who discovered this pattern of stars. These two astronomers independently discovered that comparing magnitudes and spectral class (color) of stars yielded a lot of information about them. <br><br>One key
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UML Class Diagrams and Examples Here are some examples of UML class diagrams and explanations of their contents. See if you can interpret the last diagram yourself. Refer to Handout #2 for help with the UML syntax. Example #1: Inheritance – Vehicles This diagram shows an inheritance hierarchy – a series of classes and their subclasses. Its for an imaginary application that must model different kinds of vehicles such as bicycles‚ motor bike and cars. [pic] Notes • All Vehicles
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Global Information Assurance Certification Paper Copyright SANS Institute Author Retains Full Rights This paper is taken from the GIAC directory of certified professionals. Reposting is not permited without express written permission. Interested in learning more? Check out the list of upcoming events offering "Security Essentials Bootcamp Style (Security 401)" at http://www.giac.org/registration/gsec Key fingerprint = AF19 FA27 2F94 998D FDB5 DE3D F8B5 06E4 A169 4E46 Abhay Sadwelkar SANS
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How to Make a Step-by-Step Flow Chart for a Payroll System By Natalie Grace‚ eHow Contributor Print this article A flow chart shows the sequence of your payroll processing duties. A payroll system is the avenue through which you process your payroll. You cannot process your payroll without a payroll system. The three types of payroll system are manual‚ in-house computerized‚ and external (outsourced). The manual system requires you process your payroll by hand; the in-house computerized
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Pert Grantt Chart - Tutorial Exercises 1 Calculate the EET and LET for the following charts (the letters represent activities). Now Identify each CP 2 Redraw the following charts after Inserting activity N (duration 5) in them. Assume in each case it (N) must precede all activities whose initial letter is >= F (but succeed all others). Recalculate the chart and identify the CP 3 For each of the following precedence
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Lab 13 – UML Lab Student Handout 1. Lab Objectives Following the lab you should be able to: Analyze the requirements that describe a simple application and use this information to design a set of classes that accurately reflect the requirements. Create a UML Class diagram. Create and document use cases to help analyze and design a simple application. 2. Prior to the laboratory Review the laboratory handout. Visit the links below: 1. Review the “Unified Modeling Language (UML) Tutorial”
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Circular Flow Diagrams Introduction Money flows into and out of the economy. The circular flow diagram explains how money moves through the economic system involving households‚ businesses‚ the government‚ and foreign agents (Editorial Board‚ 2011). Circular flow diagrams are visual models that show firms who employ workers‚ the workers then spend on goods produced by firms‚ and the money is then used to compensate the worker and buy raw materials to make the goods and the circle continues.
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E-R Diagram Introduction:- In 1976 ‚Chen developed the Entity-Relationship Diagrams ‚a high-level data model that is useful in developing a conceptual design for database . An ER diagram is a diagram containing entities or “items”‚ relationships among them‚ and attributes of the entities . The E-R model is one of the best known tools for logical database design. Within the database community‚ it is considered a natural and easy-to-understand way of conceptualizing the structure of database.
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Food Web Diagram Sci/230 November‚ 2013 Desert Biome Food Web Diagram Food Web Diagram An ecosystem can be defined as a more or less self-contained function unit in ecology consisting of all abiotic and biotic
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SAINT-PETERSBURG STATE UNIVERSITY GRADUATE SCHOOL OF MANAGEMENT Analytical overview Topic: “Cognitive Maps” Course: Knowledge Engineering Author: Marina Borovkova Group: FM.1 Saint-Petersburg 2011 Table of contents Introduction 3 Definition of Cognitive Mapping 4 History and Use of the Term 4 The Process of Cognitive Mapping 6 Different Types of Cognitive Map and Mapping Techniques 7 Cognitive mapping techniques 8 Causal mapping. 8 Semantic mapping 9 Concept mapping
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