What is definition of LAN network?

Ou listened to a song on your computer. did you use hardware or software?

Ihave been given the number of guns per 100, and the total firearm-related deaths per 100,000. i have to find the actual number of guns per country and actual number of gun-related deaths. if somebody could show me how to do 1 question, i can finish the rest, i am just confused. tia

On early television stations, what typically filled the screen from around 11pm until 6am? test dummies test patterns tests testing colors