System Analysis and Design/ Tools for systems analysts Learning Objectives Learning 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
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The Social Network Michelle Graul St. Johns River State College Imagine having an idea worth twenty-five billion dollars. In the essay‚ “The Social Network”‚ Alissa Wilkinson writes about the movie‚ “The Social Network”‚ which is about Mark Zuckerberg‚ the world’s youngest billionaire‚ and his idea that changed the world. We can hardly remember the world ten years ago where we couldn’t see pictures from the event that we missed last night online the next day or create our own event‚ inviting
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releasing more energy and waves of shorter wavelengths. 3. a. Draw the energy-level diagram and write the electronic configuration for zirconium (element 40). (3 marks) Energy-level diagram for zirconium is drawn below: 4d 5s 4p 3d 4s 3p 3s 2p 2s 1s Electronic configuration for zirconium is given below: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d2 b. Use the diagram to explain why the Zr4+ ion exists. (2 marks) When the outer orbitals are filled with
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Attachment theory describes the common human need to cultivate long-lasting affectional bonds with primary caretakers. According to Corsini and Wedding (2014)‚ John Bowlby proposed that humans have an innate tendency to make strong affectional bonds and that separation or threat of separation of these bonds causes emotional distress‚ sadness‚ and in some cases more severe depression. A secure attachment comes from what the caretaker provides such as communication‚ security and availability. However
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Social Networks Do the names MySpace‚ Facebook etc. ring a bell? They probably do because they are some of the most popular sites on the internet today. These sites are all called ’social networking’ sites because they help people meet and discuss things online. Each of these social networking sites has its own strengths: MySpace is especially popular among teenagers‚ Facebook is popular with college age people. The common thread between all of these social networks is that they provide a place
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Patient leaves If Follow Up appointment requires then make an Appointment Date‚ Patient leaves Question 2: Draw the Event Process Chain Diagram for a Business Process based on the following Activities. The following are the Events and Functions for a Business Process. Develop an Event Process Chain (EPC) Diagram by using the three connectors OR‚ AND‚ XOR. Activities: If the customer order is received‚ check for the availability‚ either the articles are available or
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CSFI All Rights Reserved 2011. The Cyber Security Forum Initiative (CSFI) http://www.csfi.us/ and NATO Cooperative Cyber Defence Centre of Excellence (CCDCOE) http://www.ccdcoe.org/ will be presenting a unique workshop on the online recruitment of volunteers for enhancing the instruments of cyber power of nations and organizations. This is a great opportunity to learn more about methodologies‚ lessons learned‚ deliverables‚ coordination and volunteerism in cyberspace. The workshop will take
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Chapter 2 Network Models Copyright © The McGraw-Hill Companies‚ Inc. Permission required for reproduction or display. Chapter 2: Outline 2.1 Protocol Layering 2.2 TCP/IP Protocol Suite 2.3 OSI Model 1.# 1 Chapter 2: Objective The first section introduces the concept of protocol layering using two scenarios. The section also discusses the two principles upon which the protocol layering is based. The first principle dictates that each layer needs to have two opposite tasks
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your professor’s name‚ and the date on the Title Page. Week 4 iLab Report Carol Jones DeVry University NETW360: Wireless Technologies and Services Design for a Wireless Campus Area Network Submitted to: Professor: Raef Yassin Date: Current date31 March 2013 Design for a Wireless Campus Area Network Introduction: The Wireless WLAN technology keeps changing and growing along with how the enterprises get a better use of the Information that is given to them. Technical research has
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spite of the advantages afforded by social networking sites they can have potentially harmful effects. It is undeniable that social networks have a lot of advantages; still they also have several disadvantages. It is common knowledge that many people‚ especially young people‚ have heard about or belong to at least one social networking site. Social networks’ users rely on these sites to maintain their social relations and entertain themselves. It seems that these networking sites offer many advantages
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