What are the major prevention measures of a computer virus?

In the context of it jobs in the information systems field. a is responsible for database design and implementation

Write a 3-4 page apa formatted paper comparing your organization’s it strategy with the best practices outlined in your course text. content should include, but not be limited to: developing and delivering on the it value, developing it strategy for the business value and linking it to business metrics. your paper should include an abstract and a conclusion and a reference page with 3-5 references

Write a method named addall that could be placed inside the hashintset class. this method accepts another hashintset as a parameter and adds all elements from that set into the current set, if they are not already present. for example, if a set s1 contains [1, 2, 3] and another set s2 contains [1, 7, 3, 9], the call of s1.addall(s2); would change s1 to store [1, 2, 3, 7, 9] in some order. you are allowed to call methods on your set and/or the other set. do not modify the set passed in. this method should run in o(n) time where n is the number of elements in the parameter set passed in.