My first Macintosh (which was also my first computer, and also the first and last computer I got new) was a Macintosh SE. It was one of the first shipped with the SuperDrive. It was actually delayed because of that. I was annoyed at the time, but years later, I was happy to have that drive. It lasted me about 10 years, although to be fair, usage was higher at some times (when I was a student), and much less at other times. I still have it, and sometimes think I might try to get it working again.
First Apple experience was some sort of Apple II. My high school computer lab was full of these, including a couple of original Apple IIs. Most were the II Plus, with a few IIe machines. I took BASIC (during which time I used one of the original Apple II computers once). Later, I was allowed access to use a IIe for word processing.
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First ever comptuer exposure was RadioShack. My elementary school got a Color Computer when I was in sixth grade. Later, my junior high had a lab of Model III computers. These were an interesting first exposure to netowrking of sorts--the student comptuers lacked floppy drives, but were networked to a master computer. One could load software from and save data to that master computer from a student machine.