统计exam代考 Statistics I代写 考试助攻 数据统计代写
1029Statistics I 统计exam代考 Be reminded to define all random variables and relevant concepts. Justify your answers carefully. QUESTIONS MAY BE PRINTED ON THE BACK PAGES. Be reminded to...
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软件工程代写 For each of the systems described in a) and b), select the most appropriate software process model from the list of process models given below;
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For each of the systems described in a) and b), select the most appropriate software process model from the list of process models given below; based on the nature of the system described, give two reasons for your choice in each case and specify the characteristics of the problem that influenced your choice of the model. 软件工程代写
i. Waterfall Model
ii. V model
iii. Prototyping Model
iv. Incremental Model
v. Spiral Model
vi. Component-based Model
vii. Agile Methods
a)A video game that involves a lost puppy finding its way home through many architectural mazes.
b) Software for a heart defibrillator.
c) Specify one non-functional requirement for the application in b)
“Software does not wear out but deteriorates”. Do you agree with this statement? Give your reasons.
Reuse means less work. What process model supports reuse? Can you use this process model to implement your project idea? Give your reasons.
In an ATM, one can withdraw cash by entering the amount. There are several classes that you can identify in this system, namely, PINValidator (validates user PIN), Account (maintains balance, allows withdrawals and deposits), CashDispenser (dispenses cash), Logger (records the transaction details in the database) and WithdrawCashTransaction (validates PIN, checks account balance, dispenses cash and logs the transaction details).
Complete the CRC card for the class WithdrawCashTransaction.
User Story: As an online customer, I want to be able to order food online and get it delivered to my home, so that I do not need to go to a restaurant physically.
Write two acceptance criteria for the above user story.
Complete the use case diagram given for the following scenario:
A person goes for lunch. In the course of that, she/he may withdraw cash from ATM.
Complete the UML class diagram for the situation described below:
A student can take 0 or many courses. A course may have 1 or more students. For each course a student takes, a grade is generated.
Using the diagram below, mark the statements true or false.
a) insertIDcard is an event
b) insertIDcard is an activity
c) ejectCigarettes is an activity
d) ejectCigarettes is an event
e) When insertMoney() occurs, only the do-activity is executed once again.
f) As soon as the customer has taken the cigarettes and change, the state Idle becomes active.
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