Internet, no, not as we know it. Forums, yes. There were lots of forums on Compuserve, GEnie, and other similar services at the time. And then there were hundreds of private bulletin boards one could access. I won't even try to explain FIDOnet.
Modems may have been reaching 2400 baud by then, which was at one time the theoretical maximum if you obeyed the laws of physics.
There was a Defense Department network that eventually evolved into the internet from the early '60s, and TCP/IP didn't come along until 1983. The WorldWideWeb and the first browser are from the early '90s, and average people like me didn't get access until a few years later. In between, there were indirect ways to deal with the internet, as those capabilities were added to the online services and bigger local bulletin boards.
If you didn't have electricity, you had to do all that by kerosene light.
Oh, and I forgot to add that Al Gore was elected to Congress in 1976.