What are the different components of the cloud architecture?

the (1) of the cloud architecture is the cloud, which is a collection of (2) software.

(1) multiple choice answers
a. back end
b. front end
c. middle

(2) multiple choice answers
a. physical
b. virtual
c. realistic

Answer me pls is an algorithm that has been coded into something that can be run by a machine.

Write a method that accepts a string object as an argument and returns the number of words it contains. for instance, if the argument is "four score and seven years ago", the method should return the number 6. demonstrate the method in a program that asks the user to input a string and then passes that string into the method, printing out whatever the method returns.

Are special characters that allow you to search for multiple words at the same time.