How do viruses spread from one computer to another computer?

Ineed on my history if anyone can check out the last few questions i posted and i will be posting !

Draw the hierarchy chart and design the logic for a program that calculates service charges for hazel's housecleaning service. the program contains housekeeping, detail loop, and end-of-job modules. the main program declares any needed global variables and constants and calls the other modules. the housekeeping module displays a prompt for and accepts a customer's last name. while the user does not enter for the name, the detail loop accepts the number of bathrooms and the number of other rooms to be cleaned. the service charge is computed as $40 plus $15 for each bathroom and $10 for each of the other rooms. the detail loop also displays the service charge and then prompts the user for the next customer's name. the end-of-job module, which executes after the user enters the sentinel value for the name, displays a message that indicates the program is complete.

Alocal reaction will occur at the site of the exposure such as irritation or damage to the skin eye or local reaction will occur at the site of the exposure such as irritation or damage to the skin ireland lounges