Imagine that the final exams for five courses need to be sched- uled, and only two time slots are available. There are plenty of classrooms, but no student can take two exams simultaneously. The classlists for the five course are • Classlist for course 1: c1 = {Akiko,Erin,Sandy} {Carl, Dan, Wilma} • Classlist for course 2: c2 = • Classlist for course 3: c3 = {Akiko,Bart,Terry} • Classlist for course 4: c4 = {Erin, Dan, Val} • Classlist for course 5: c5 ={Carl, Bart,José}
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![(a) Draw the intersection graph for the classlists.
(b) What is the chromatic number of this graph? Briefly justify your
answer.
(c) Is there an exam schedule that meets the requirements? Briefly jus-
tify your answer.
(d) Now suppose Dan decides to drop course 4. How do your answers
change?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4e395f27-a676-422e-a870-1ccdaf17aff5%2Fe45f28da-8916-4a7c-ad5e-2574ec64396a%2Fkvd6vaj_processed.png&w=3840&q=75)
![Imagine that the final exams for five courses need to be sched-
uled, and only two time slots are available. There are plenty of classrooms,
but no student can take two exams simultaneously. The classlists for the
five course are
• Classlist for course 1: ci
{Akiko,Erin,Sandy}
• Classlist for course 2: c2
{Carl, Dan, Wilma}
• Classlist for course 3: c3
{Akiko,Bart,Terry}
• Classlist for course 4: C4
{Erin, Dan, Val}
• Classlist for course 5: c5
{Carl, Bart,José}](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4e395f27-a676-422e-a870-1ccdaf17aff5%2Fe45f28da-8916-4a7c-ad5e-2574ec64396a%2Fkhqm0lk_processed.png&w=3840&q=75)
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- Create a class diagram for the Indiana University library.The Indiana University library has books, journals, and the daily newspaper. These are the things from the library. Every piece of library material is labeled with an id number and a title. Only books are available for loan to Indiana University students and faculty members, out of the whole collection. Staff members can borrow periodicals to use for their research projects. IU users (staff and students) who wish to borrow books must have their ID cards scanned by the librarian, who must then keep track of the borrower's ID, the loan date, and when the book is due back. The library keeps track of the names, ID numbers, and phone numbers of its patrons. Every user is issued a library card. Create a class diagram based on the information provided above. Please make sure that you display traits, multiplicities, and relationships when applicable.In a university there are different classrooms, offices and departments. A department has a name and it contains many offices. A person working at the university has a unique ID and can be a professor or an employee. "A professor can be a full, associate or assistant professor and he/she is enrolled in one department. •Offices and classrooms have a number ID, and a classroom has a number of seats. • Every employee works in an office. 1. Draw the class diagram for the scenario aboveIn this question, you will consider the development of a Virtual Learning Environment (VLE)through which students manage their studies. They can watch videos, attend onlinewebinars, access forums etc. a)You are given the following requirement:“Students can select a module from a list, if they have been registered to the selectedmodule, they can see the contents.”Write out a step-by-step process for the VLE described above that a tester can use totest this requirement. b) For the VLE system, we want to ask some users to answer a questionnaire to dousability testing. Design two questions to cover effectiveness, two questions to coverefficiency and two questions to cover satisfaction. c) Write TWO requirements for the VLE, using the EARS syntax.
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- An airline can reconfigure the seating in an aircraft to respond to demand and to maximise revenue. The seating is arranged in rows and can be configured in different classes which have more or fewer seats per row and more or less separation between the rows. Each row consists of identical seating. The table below shows the four options. The Row separation includes the size of the seat itself and measures from the rear of the seat to the rear of the seat in front of it, or the front bulkhead. All measurements are in metres. Class No. of Seats Row separation Revenue per Seat Minimum Rows Maximum Rows First 4 1.98m £9,541 0 3 Business 8 1.93m £6,133 3 20 Premium Economy 10 0.86m £692 2 41 Economy 10 0.78m £404 5 48 The aircraft the company uses have 45 metres of available space and a legal limit of 374 passenger seats. One possible valid configuration is: 12 first class seats (taking up 3 rows and 5.94 metres) 56 business class seats (taking up 7 rows and 13.51 metres)…SCENARIO A manufacturing company produce equipment and sell them. The company needs a system to manage stock operations. It is explained below. Equipments are manufactured by using parts. Name, manufacturing date, current status of manufacturing must be known. Some of the equipments must be tested. We want to define all parts with their name, description and type. Only the defined parts can be bought. Once parts are bought, they are located into shelves in warehouses. Each physical part uniquely identified with number. We want to know when each part is bought. Each bought part may have different warranty period. We have to use the bought part in manufacturing by taking this into account. Warehouses are located in different part of the company. Size, type of the warehouses may be different. Equipments are manufactured for customers. It is needed to know the equipments of customers. Some of the customers pay the transportation cost. Name, address, tax number type of the customer will…An airline can reconfigure the seating in an aircraft to respond to demand and to maximise revenue. The seating is arranged in rows and can be configured in different classes which have more or fewer seats per row and more or less separation between the rows. Each row consists of identical seating. The table below shows the four options. The Row separation includes the size of the seat itself and measures from the rear of the seat to the rear of the seat in front of it, or the front bulkhead. All measurements are in metres. Class No. of Seats Row separation Revenue per Seat Minimum Rows Maximum Rows First 4 1.98m £9,541 0 3 Business 8 1.93m £6,133 3 20 Premium Economy 10 0.86m £692 2 41 Economy 10 0.78m £404 5 48 The aircraft the company uses have 45 metres of available space and a legal limit of 374 passenger seats. One possible valid configuration is: 12 first class seats (taking up 3 rows and 5.94 metres) 56 business class seats (taking up 7 rows and 13.51 metres)…
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