Answer:
CPU
I dont know a whole ton about computers. But I'm confident this is correct. Without the CPU the other options on this list wouldnt work so the CPU would be the "heart".
Answer:
Web technology refers to the means by which computers communicate with each other using markup languages and multimedia packages. It gives us a way to interact with hosted information, like websites.
Answer:
You go to the launcher, then find Photo Booth. Photo Booth allows you to take photos. You can only take photos on the side where the screen is, since there isn't a camera on the back. I recommend taking a picture with a phone instead. For a screenshot, press command-shift-3.
Hope this helps!
Answer: any 802.11
Explanation:
802.11 is a family of wireless LANs specified by the IEEE. 802.11 lays out the plans and the access plans for wireless devices