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PrefaCe

















                    new to this edition

                    The ninth edition of Systems Analysis and Design includes extensive changes inspired by the
                    swift transformations in the IS field over the past three years, and they are included as a response
                    to the thoughtful input of our adopters, students, and reviewers. Many innovative and upgraded
                    features are incorporated throughout this new edition. In particular:
                     ●  New coverage of how systems analysts and organizations can participate in open source
                       communities (Chapter 1)
                     ●  Expanded coverage of the analyst role in ERP (enterprise systems) (Chapter 2)
                     ●  New in-depth coverage of project management techniques (Chapter 3)
                     ●  Expanded coverage of when to use cloud services versus purchasing hardware and
                       software (Chapter 3)
                     ●  New coverage of time estimation techniques for project management (Chapter 3)
                     ●  New coverage of the work breakdown structure (WBS) for project management
                       (Chapter 3)
                     ●  New material on designing corporate and ecommerce sites to include Web 2.0 technolo-
                       gies and social media (Chapter 11)
                     ●  Innovative treatment of designing apps for smartphones and tablets (Chapter 11)
                     ●  Expanded coverage of designing input for intranets, the Web, smartphones, and tablets
                       (Chapter 12)
                     ●  New material on the relationship of business intelligence to data warehouses, big data,
                       business analytics, and text analytics (Chapter 13)
                     ●  Innovative coverage on designing gesture-based interfaces for smartphones and tablets
                       (Chapter 14)
                     ●  Additional material on designing alerts, queries, and notices for smartphones and tablets
                       (Chapter 14)
                     ●  Innovative handling of designing two-dimensional (2D) codes such as Microsoft Tags
                       and QR codes for input (Chapter 15)
                     ●  New material on how service-oriented architecture and cloud computing are changing
                       the nature of information systems design (Chapter 16)
                     ●  Expanded coverage of ERP systems and their relationship to cloud computing (Chapter 16)

                    design features

                    Figures have a stylized look in order to help students more   Logical Data Flow Diagram
                    easily grasp the subject matter.                 Customer  D1  Prices   Customer
                       Conceptual diagrams are used to introduce the   Items to  Prices    Payment
                                                                      Purchase
                    many tools that systems analysts have at their disposal.   1  2  3       4  Receipt
                                                                                             Settle
                    This example shows the differences between logical   Identify  Item ID  Look Up  Items and Prices  Compute  Amount to Be Paid  Transaction
                                                                                     Total
                                                                     Item
                                                                             Prices
                                                                                            and Issue
                                                                                     Cost of
                                                                                     Order
                                                                                            Receipt
                    data flow diagrams and physical data flow diagrams.
                                                                             Physical Data Flow Diagram
                    Conceptual diagrams are color coded so that students can
                                                                                    Trans. File
                                                                     Customer  D1  UPC Price File  D2  Temporary  Customer
                    distinguish easily among them, and their functions are   Items Brought  UPC Code  Item Description  Items and  Items, Prices,  Cash, Check,
                                                                                   Prices
                    clearly indicated. Many other important tools are illus-  1  to Checkout  2  and Prices  3  and Subtotals  or Debit Card  4  Cash Register
                                                                                              Receipt
                                                                                        Calculated
                                                                     Pass
                    trated, including use case diagrams, sequence diagrams,   Items Over  UPC Bar Code  Look Up  Item Codes and Prices  Compute  Amount to Be Paid  Collect Money
                                                                                            and Give
                                                                             Code and
                                                                                     Total
                                                                     Scanner
                                                                             Price
                                                                                            Receipt
                                                                                     Cost
                                                                     (Manual)
                                                                             in File
                                                                                            (Manual)
                    and class diagrams.
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