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Draw Context diagram, level0 and level1 (if need) for the following:
The user submit her/his name to the system, the system will tell the user if he is a boy or a girl or don't know by looking up his name in database of names saved in the system. If the system answer was don't know, the system will ask the user if he is a boy or a girl the user will respond by typing the correct answer, the system will save the name and the gender(boy or girl) to the database of names. The user also can send a question asking about names that starts with a specific letter, the system will send the names with the specific letter to the user.
Write an report on a significant software security
Draw an E-R diagram for the following situations. From discussions with hospital staff, reviewing hospital documents and studying existing information systems, the study team developed a list of business rules.
Assume one file has r =1000000 records. Each record takes R = 100 bytes, of which 10 bytes are for the key of the record. What is the least number of block accesses to fetch a record by using single level primary index?
Systems Analysis and Design requirements
Draw the E-R diagram which models an online bookstore. List entity sets and their primary keys. Assume the bookstore adds music cassettes and compact disks to its collection.
Consider a quiz grading system that grades student responses to quizzes. Draw a UML diagram for classes Quiz, Question, EssayQuestion, MultipleChoiceQuestion, Student, and Submission.
Top Sail's owner read an article about software packages, and she asked you, as an IT consultant, for your advice. When you evaluate software packages, what steps will you follow?
What normal form is schema G in? Draw a good database schema for a club. (Remember that your design should satisfy stated query requirement!)
Design behavioral specs by using state diagram for coffee machine controller given below: State events. Machine operates ah hourly interval.
Draw an ERD for a database that should track baluster designs, balusters sold, and customer orders for a company that sells various wood balusters.
Create a data flow diagram about the process. When John received orders from the sales department, he would pick the items from the warehouse to fill up the order.
Recognize possible use cases and actors, and create use case diagram for Personal Trainer information system. Choose one of the use cases and create a class digram.
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