Elaborate a use case diagram for the following system: An employment company has developed a Web site for its services.
Academic Year : 2019-2020 Department : Computer Sciences
Session : Final F19-20 Duration : 2 Hrs
Instructor : Mohamad DAHER
(6 pts)
▪ A person looking for a job must register (sign up) on the site after filling a form that contains his name, his date of birth, his nationality, his marital status, and other information. The registration code will be used later, by this person, to « log in » and display or modify his information.
▪ When a company wants to subscribe to the site, it must sign up first. After that, it can put job offers for employees with certain characteristics. The registered company can also display the persons’ applications but cannot modify them.
▪ The site administrator can display the persons’ applications and the companies’ job offers as well.
▪ If a company finds an appropriate person for the requested job, a contract is prepared by the administrator. After that, the contract must be confirmed by both the company and the person by sending each one an email to the administrator. Finally, the person’s application and the company’s
job offer will be removed from the system.

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health? a. air quality data gathered by new instruments can be used to reduce exposure to pollutants. b. new technologies enable natural and human-made pollution sources to be located and monitored. c. air quality data gathered by new instruments can be used to predict trends in pollution over time. d. new technologies allow governments to make informed decisions about the regulation of pollution. (choose more than one)

What role did women fill during world war ii?

This program should be a short piece of code that prints all of the positive integers from 1 to 100 as described more fully below. the program may contain multiple methods, and if using an oo language, should be contained within a single class or object. the program should be designed so that it begins execution when invoked through whichever mechanism is most common for the implementation language. â–ş print out all positive integers from 1 to 100, inclusive and in order. â–ş print messages to standard output, matching the sample output below. â–ş in the output, state whether the each integer is 'odd' or 'even' in the output. â–ş if the number is divisible by three, instead of stating that the number is odd or even, state that the number is 'divisible by three'. â–ş if the number is divisible by both two and three, instead of saying that the number is odd, even or divisible by three; state that the number is 'divisible by two and three'. â–ş design the logic of the loop to be as efficient as possible, using the minimal number of operations to perform the required logic. sample output the number '1' is odd. the number '2' is even. the number '3' is divisible by three. the number '6' is divisible by two and three.