3- Write a C++ program by using for loop that will ask for an integer as a parameter and display its factorial. Hint factorial (5)=5^ * 4^ * 3^ * 2^ * 1

Answer the following questions regarding your system by using the commands listed in this chapter. for each question, write the command you used to obtain the answer. a. what are the total number of inodes in the root filesystem? how many are currently utilized? how many are available for use? b. what filesystems are currently mounted on your system? c. what filesystems are available to be mounted on your system? d. what filesystems will be automatically mounted at boot time?

Explain how email technologies enable the exchange of messages between users. find out the typical parts of an email address and explain each part.

What is the total resistance in a circuit that contains three 60 ohm resistors connected in a series? a. 20 ohms b. 120 ohms c. 60 ohms d. 180 ohms