THE PRO IS THAT IT ALLOWS PEOPLE TO RESEARCH INFORMATION. THE CON IS THAT PEOPLE ARE ABLE TO DO MEAN THINGS ON THE INTERNET. FOR EXAMPLE, CYBER-BULLYING. PLEASE HIT THE THANKS BUTTON. :)
What do you mean pieces? Like Laptop components? If so then motherboard,ram,cpu, and psu for a basic laptop so 4 I guess (5 if you want to include a gpu).
To accustom to several different language-speaking countries. One program is often used internationally so having a language setup is very important.
