Yes, they are.
Some are, not many however.
At the present time, it is very popular to record information on computers. Personally, I still depend mainly on pieces of paper.
it was invented in 100 B.Cand is still being used today
A computer is useful, but not powerful because it still relies on a human being to operate it.
Yes. Windows XP accounts for about half of all computers still being used on the internet.
Not very often, I think. It's an ancient astronomical calculating device, invented long before computers.
"IPAQ is a smart phone that was invented by Hewlett Packard. They are still being sold, and they manufactured a lot of them, so yes, they are probably still around."
Yes, there have been several different types made over the years and there are still types available today. In fact electronic pens were being used as input devices on computers more than a decade before the computer mouse was invented.
slide rules (linear, circular, cylindrical, etc.)nomographsmechanical desk calculatorsprinted lookup tablesnapier's bonessectorabacus and counting boardsfingersetc.
In some regards, the computer is still being invented.
The tesla coil was invented in 1891 and is still being used today.
Ink was invented a long time ago as a much easier way to write than other options. It helped us not have to, for example, chisel glyphs into a stone. Now that we're in the Information Age computers serve a similar purpose, as they are much more convenient for storing and transmitting information. But sometimes computers just won't do and it's a good thing we still have ink, which doesn't require electricity, is more difficult to forge, and is much more portable than any modern computer - even a microscopic chip because ink can separate from itself.