If she does not have a web camera you cannot see her. You also cannot see her if the camera is not turned on or plugged in.
Yes, as long as the people you want to see and talk to are running FaceTime on their Mac.
Yes, you still will be able to see him without any problems.
The iMac is a computer. (See links below)
One can see old iMac Commercials in Youtube which features the different types of commercial about old iMac such as All Mac vs. TV adds, Apple iMac vs. HP, and iMac G3 starting up.
No, you cannot see when someone has viewed your Skype profile.
If you are on the lock screen, you should be able to see a notification with the little Skype app symbol on it. To answer the call, click on the little app icon and slide across. That should work.
To get Skype for free on a Mac go to the Skype website and click on the Get Skype button. (See links below)
If your have a daughter that wants to see how many Disney jobs are available and how to be able to see what jobs there are the best source for this would be Disney's FAQ page on their website.
The Skype software can be downloaded from their website (See links below).
Click it, if you have a question.
Yes you need to be logged in to your Skype account so contacts can see you are available. If you're are logged out, you will not show up to your contacts as being online.
Skype for Mac OS X can be downloaded from the Skype site. (See links below)