How do you add freinds on this app on mobile?

Quick pl which one of the following is considered a peripheral? a software b mouse c usb connector d motherboard

Which of the following would you find on a network

You wanted to look up information about alzheimer's, but you were unsure if it was spelled "alsheimer's" or "alzheimer's." which advanced search strategy would be useful? a) a boolean search b) using a wild card in your search c) trying different search engines d) doing a search for "alsheimer's not alzheimer's" asap. ill give brainlist.