Which particular type of low-level code is responsible for starting an operating system on a computer?

What is the output of the following statement? (In this question # signifies a blank space.)

cout << setw (6) << left << “hello” << setw(6) << right << 2.78; a) #hello2.78## b) #hello2.78### c) hello###2.78 d) hello####2.78

Which of the following ports is commonly used for the HTTP protocol?

A. 20 B. 25 C. 53 D. 80