Acompany publishes the design of its security software product in a manual that accompanies the executable software.
a. in what ways does this satisfy the principle of open design? in what ways does it not?
b. given that the design is known, what advantages does keeping the source code unavailable give the company and those who purchase the software? what disadvantages does it cause?

Which of the following had the greatest influence on opening the internet to the generly public

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.

In a word processing program, such as microsoft word, which feature to you choose the desired picture enhancement?