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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“It is not often that someone comes along who is a true friend and a good writer.” “After all‚ what’s a life‚ anyway? We’re born‚ we live a little while‚ we die.” “You have been my friend. That in itself is a tremendous thing. I wove my webs for you because I liked you. After all‚ what’s a life‚ anyway? We’re born‚ we live a little while‚ we die. A spider’s life can’t help being something of a mess‚ with all this trapping and eating flies. By helping you‚ perhaps I was trying to lift up
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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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CHAPTER 4 HARDWARE DESCRIPTION 4.0 Arduino: The Arduino Uno is a microcontroller based on the ATmega328. It has 14 digital input/output pins in which 6 can be used as PWM‚ 6 analog inputs‚ a 16 MHz ceramic resonator‚ a USB port‚ a power jack‚ an ICSP header‚ and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.[11] The Uno differs from all preceding boards in
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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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10-7 M c) 10-9 M d) 10-11 M 2 e) 10-13 M 6. An acid‚ HA‚ has a concentration of 0.075 M and its conjugate base‚ A- ‚has a concentration of 0.025M at pH 6. What is the pKa of HA? a) b) c) d) e) 5.52 6.48 6.00 7.60 8.13 7. A BIO 2020 student does a Western blot‚ shown below. Unfortunately the Western blot reveals 5 different bands‚ due to the
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Chapter 1 What Is Organizational Behavior? MULTIPLE CHOICE 1. Successful managers and entrepreneurs recognize that: a. technical knowledge is all that is needed for success. b. interpersonal skills are not important. c. technical skills are necessary‚ but insufficient‚ for succeeding in management. d. an understanding of human behavior does not impact effectiveness (c; Challenging; pp. 2-3) What Managers Do 2. Which one of the following is not considered
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Chemistry SCH4U-B Lesson 1 Key Questions 1. The development of MRI imaging technology is one useful spinoff of basic research into the structure of the atom. Research‚ however‚ is expensive. Many people argue that the high cost of research outweighs its potential benefits. Provide one argument for‚ and one argument against increasing current
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Create an activity diagram for the following system. Of-the-Month Club (OTMC) is an innovative young firm that sells memberships to people who have an interest in certain products. People pay membership fees for one year and each month receive a product by mail. For example‚ OTMC has a coffee-of-the-month club that sends members one pound of special coffee each month. OTMC currently has six memberships (coffee‚ wine‚ beer‚ cigars‚ flowers‚ and computer games)‚ each of which costs a different amount
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Key words: Hazardous waste‚ Biomedical Waste Management‚ Health care unit. INTRODUCTION Biomedical waste management has recently emerged as an issue of major concern not only to hospitals‚ nursing home authorities but also to the environment. the bio-medical wastes generated from health care units depend upon a number of factors such as waste management methods‚ type of health care units‚ occupancy of healthcare units‚ specialization of healthcare units‚ ratio of reusable items in use‚ availability
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