Level name Numbering format Context diagram Level Zero Level One Level Two 53

Level name numbering format context diagram level

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Level name Numbering format Context diagram Level Zero Level One Level Two
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53. For which of the following tasks would a data flow diagram be appropriately used in AIS work? ____ To accompany systems flowcharts as an aid in understanding an AIS ____ To assist in the creation of normalized database tables ____ To break down a process into its component parts ____ To designate the format of data stores (paper or electronic) ____ To help users understand information flows in an AIS ____ To identify needed databases ____ To make journal entries in the AIS ____ To represent an AIS on a single sheet of paper ____ To show which data crosses the system boundary ____ To specify clearly who is responsible for a business process 54. Specify the data flow diagram symbol that would be used to represent each item in the list below.
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55. Consider the partial data flow diagrams shown below. Match each one with the item it most likely represents. 1. Access employee records 2. Add comments about vendor 3. Deliver goods and bill client 4. Interview applicant 5. Look up payroll information 6. Post transactions to ledger 7. Reconcile bank statement and record related journal entries 8. Review vendor quality information 9. Take customer order 10. Update employee records 56. Bumble Beasley wanted to create three database tables for the information items shown below: supplies table, purchases table and purchases / supplies table. Apply the principles of normalization to show how he should organize them. Specify primary keys by underlining and foreign keys with bracket “As of” date for beginning inventory Beginning quantity on hand Cost per unit purchased Cost per unit—beginning inventory Item description—office supplies Office supplies item number Purchase date Quantity purchased Transaction number Vendor ID
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57. Several items that might appear in a systems flowchart and / or a data flow diagram are listed below. For each item, draw the symbol you would use to represent it in both forms of systems documentation. If no appropriate symbol exists, use an “X.” 58. Determine which of the following statements are: (a) true for systems flowcharts only, (b) true for data flow diagrams only, (c) true for both or (d) true for neither. 1) Can be prepared using information technology tools 2) Clearly specifies responsibility for business processes 3) Commonly thought of as the one best way to represent an AIS 4) Incorporates verb phrases to label processes 5) Labels data flows between processes 6) May span multiple pages 7) Processes can be represented with different types of symbols 8) Represents processes with a single symbol type 9) Should be uncluttered and easy to read 10) Uses a symbol to represent a database
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59. Consider the following case as you respond to the next problem: The Festival Theatre produces twelve plays per year. Patrons can buy tickets for a single play; alternatively, they can purchase a season pass for either three plays or six plays. Three-play passes offer a 10% discount from the prices of single tickets; six-play passes, a 25% discount. Since most patrons live within 30 miles of the theatre, all ticket sales are done at the box office only. The theatre has an “open seating” plan, so patrons do not
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