Answer:
I am a mini solar powered computer
What kind of room has no doors or windows?
The last man on Earth received a phone call, who was the caller?
I am black, white, and read all over. What am I?
I am the only thing that always tells the truth. I show off everything that I see. I come in all shapes and sizes. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.