Question: 1. List the four common SDLC models and explain each addressing the differences among them. (5 points) 2. If you were a software development manager,

1. List the four common SDLC models and explain
1. List the four common SDLC models and explain
1. List the four common SDLC models and explain
1. List the four common SDLC models and explain
1. List the four common SDLC models and explain
1. List the four common SDLC models and explain
1. List the four common SDLC models and explain
1. List the four common SDLC models and explain
1. List the four common SDLC models and explain
1. List the four common SDLC models and explain each addressing the differences among them. (5 points) 2. If you were a software development manager, which one (or more than one) of the four models would you choose to use? Justify your answer. (2.5 points) 3- Calculate the expected time for the following activities. (2.5 points) Activity Optimistic Time Realistic Time Pessimistic Time Expected Time 3 8 13 10 12 11 A B 4 1 4 1 D E 2 6 3 8 9 4- Complete the following table (illustrative of a network diagram). (14 points) Activity. Expected Time Predecessors TET Slack Critical Path? (Yes/No) A 2 B 20 8 D 1 A E 2 AD F 3 E G 4 DE moin 5- List three errors in the below DFD. (5 points) E1 DF2 E2 DF2-1 D1 DEI DF1 - DF3 PI DFS P2 D2 DEY D4 D3 DF DF4 E3 P3 DES P4 6- Ust five errors/violations in the following DFD. (10 points) DF3 1.0 Et DF1- -DF2- 2 Pi DF2 DS 10 P2 DSI 20 OF6 PS 7. List 7 errors/violations in the following context level and level-O DFDs (14 points) 0 Order Info Patient Info DOGIO Prescription Health Center Pharmacy System Insurance Company Approved ci surance Database Coverage Info/Terms -Recept 10 Doctor Pies Verly Prescription Med Ava Health Center Pharmacy System Patentino Reviewed Prescription P 20 Owo Pre Order Company poporom Quality Assurance 30 Ceneste - Complete the below oros for the system in the following narrative AND write a title for each DED, 120 points) Cyclone Burgers has the best burgers in Ames. When customers call for a delivery order, they are asked for their phone number. The mber is entered into a computer program, and the customer's name and delivery address are prompted onto the computer screen. The order is taken on the system. Then, the order is printed and given to the kitchen for preparation Entering the order entwis calculating the order's price A copy of receiptis printed and is given to the customer when the food is delivered REDTU: 0 DED Tale 1.0 Customer Find Customer Record food 2.0 Kitchen DFD Title 2.1 Customer Order Product Price File Enter Order 2.2 23 9. For the following scenario, complete the below decision table with ONLY Yor"Nox where necessary. 110 points) Al Cyclones Credit Union, your personal loan application gets approved only if you have a credit score of 650 or greater. Acredit score between 650 and 720 ts your loan interest rate On the other hand, a credit score between 721 and 800 sets your loan interest rate ate. When your annual income is above $75,000. you will get an interest rate instead of a 9, and you will get a SSNinterest rate instead of a Rules 3 Condition 1 2 4 5 N Cred Score of 2650 Beat Score 650-720 Credit Score 1 721400 Anne Income >575.000 App perawan 9 Interest EN re 10 Express the following decision tables in Structured English (10 points) Table A. Decision Table for Payment Checkout 3 4 5 1 Y - 2 NI $3000 > $2000 > $1000 Conditions Customer is a member Annual purchase amount Action Add payment to annual purchase amount Perform Tables Provide Gold Membership Provide Silver Membership Provide Bronze Membership 1 2 3x 3X 3x 11. Complete the following use case diagram with the appropriate connections and relationships, or associations extends and includes") points) Vio Away Bube GA Cente Than 1. list the four common SDLC models and explain each addressing the differences among them. (5 points) 2. If you were a software development manager, which one for more than one) of the four models would you choose to use? Justify your answer. (2.5 points) Expected Time 3. Calculate the expected time for the following activities. (2.5 points) Activity Optimistic Time Realistic Time Pessimistic Time A 3 8 13 B 4 10 12 1 2 11 D 4 6 8 E 1 3 9 4. Complete the following table (illustrative of a network diagram) (14 points) Activity Expected Time Predecessors TET Slack Critical Path? (Yes/No) 2 B 20 A B D 1 A E 2 AD F 3 E G 4 D, E 1. List the four common SDLC models and explain each addressing the differences among them. (5 points) 2. If you were a software development manager, which one or more than one) of the four models would you choose to use? Justify your answer. (2.5 points) 3. Calculate the expected time for the following activities. (2.5 points) Activity Optimistic Time Realistic Time Pessimistic Time Expected Time 3 13 10 12 8 A B 11 4 1 4 1 D E 2 6 3 9 4- Complete the following table (illustrative of a network diagram). (14 points) Activity. Expected Time Predecessors TET Slack Critical Path? (Yes/No) A 2 B 20 A 8 B 1 2 AD F 3 E G 4 DE mon> 5- List three errors in the below DFD. (6 points) E1 -DF2 E2 DF2- D1 DEI DF1 - DF3 PI DFS P2 D2 DY D4 * D3 DF DF4 E3 P3 DES P4 6- List five errors/violations in the following DFD. (10 points) DF3 1.0 Et DF1 -DF2 E2 P1 DF2 DS 10 P2 DSI 20 DFS &

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