Internet, most likely.
The computers that are most popular are Windows computers. Windows based computers are used in most businesses and are widely accepted as the standard in schools as well.
Which computers are "the computers"? Most likely, people will build better and more powerful computers and use them for a variety of purposes. PCs will continue to be used for work and personal use. Servers will continue to be used to host content and serve data. We will most likely see an increase in specialized computers for satellites, as well as supercomputers and quantum computers.
binary and hexadecimal
DRAM
More like computers and home techs
windows
A lot because robots are basically computers and most computers are used to write music.
ATX case is not used for all but it is still used for most.
Dot Matrix printers are the most common impact printers used with personal computers. Daisy Wheel printers are sometimes used as well.
a computer mouse
BASIC (incompatible versions, of course)
Intel