Astudent sits down at a computer and presses the power button. the computer does not turn on. what is a logical explanation as to why the computer does not work? how would the student test that idea?

Ihave an iphone 8plus should i get another phone like samsung note 9 or s9 ? ?

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.

Awide variety of “ apps “ are available to customize devices. which category of app does the word processing software fall into?