Insertion of a node into a doubly linked list requires how many changes
to next and prev pointers?

When a user sends a friend a file using an instant messaging program or sends a file to another user on a file sharing network, they are performing a(n) ________

Fill in the blank(s) with correct word

The customer calls a technician and informs them that their keyboard was cleaned with a solution, and now their fingers sting. Where would the technician or medical personnel find information about the substance on the keyboard?

A. The MSDS B. The local fire department C. The Standard Operating Procedures manual D. The facilities department of the company