3.9.2 Data Flow Diagram (DFD) DFD or Data Flow Diagram is a graphical representation that showing the flow of data of information system. It also shows the structured design of the program to replace the flowchart or pseudo code as program tool. Basically DFD can be divided into four components such as entity or external entity‚ process‚ data store and data flow. DFD start with an overview of the system that needs to be designed. This DFD known as context DFD that contain the entity and the process
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assumptions in a Credit Card Sale System are: 1. The Customer and the Retailer have an account in the same bank. 2. Instead of the grid through which all the banks are connected the payment is processed by the bank for simplicity. E-R Diagram Tables and Primary Keys Normalization Forms The three normalization forms are 1. First normal form 2. Second normal form 3. Third normal form First normal form First normal form states that there should be no repeating elements
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Draw ENTITY RELATIONSHIP DIAGRAM (ERD) for the following requirement: 1. Students take courses in a college 2. Customers have accounts in a bank 3. People own vehicles 4. Employees manage projects 5. Machines are made up of parts 6. A college offers several courses. Attributes of the course include course code‚ name and credits. Each course may have zero or more subjects 7. Hotel (HotelNo‚ Name‚ Add‚ TelNo) Room (RoomNo‚ HotelNo‚ Type‚ Price) Booking (HotelNo
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SBI PO Exam Preparation - 60 days Plan By Varun Reddy @ www.BankExamsIndia.com [Get ready to crack the probationary officer exam in State bank of India with the help of very detailed‚ topic wise‚ chapter wise materials prepared by a young aspirant.] 2 SBI PO Preparation Plan (60 days) by Varun reddy | Published @ http://www.BankExamsIndia.com Materials Required for SBI PO exam preparations: The plan has been prepared by taking into considerations the chapters present in the books given below
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PART 1 MODULE 3 VENN DIAGRAMS AND SURVEY PROBLEMS EXAMPLE 1.3.1 A survey of 64 informed voters revealed the following information: 45 believe that Elvis is still alive 49 believe that they have been abducted by space aliens 42 believe both of these things 1. How many believe neither of these things? 2. How many believe Elvis is still alive but don’t believe that they have been abducted by space aliens? SOLUTION TO EXAMPLE 1.3.1 When we first read the data in this example‚ it may seem as if the numbers
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Preparing Domain and Group Structures POS/421 October 21‚ 2013 Jeffery Comrie Preparing Domain and Group Structures Company A is an organization with a moderate amount of employees that occupies three locations within one city. The three locations are connected via fast network connections and the IT/IS Administration is centralized with the helpdesk. Employees have the ability to utilize computers and printers within their department‚ but are not allowed to use these devices located in
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A. Conceptual Framework IPO DIAGRAM: INPUT PROCESS OUTPUT The conceptual framework of this study is composed of different segments‚ which are to be discussed in the following section. 1.1 Population The intersection of Commonwealth Avenue: Don Antonio-Ever Gotesco is composed of around 300‚000 (San tayo pwede kumuha ng estimate?) people living within the 300-m radius. It is significant to determine the amount of commuters within
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telephones‚ personal digitalassistants (PDAs)‚and wirelessnetworking..Also.it.consists.of.certain.applications.include.GPSdevices ‚computer.mice‚keyboards ‚headsets‚ headphones‚satelliteTV ‚ broadcast television an cordless telephones.The basic block diagram of wireless communication is shown in Fig(1.1).
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Unix File Protections ABSTRACT Unix is a multifunctional platform capable of handling several users accessing the same applications and files at once. It accomplishes this by setting up a permissions hierarchy and assigning users into groups. As multifunctional as it is‚ several problems still exist. For one‚ it has a command line interface. There is no graphical user interface. Second‚ privilege changes are made either one by one or all at once. Anything else would need
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Health Care Careers Diagram and Summary Paper HCS/531 October 28‚ 2013 Rachael Kehoe Introduction Health care career is a Hospital Administrator. While hospitals are competitive in their trade there key people that make the hospital what it is. Hospital administrator helps to save patients and residents lives. They have a summary of duties and manage different departments. It helps maintain patient satisfaction‚ insurances
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