What has replaced mainframes since the 1980-s?

Until the 1980-s mainframes didn't rule supreme in corporate data centers.

What has replaced MP3 music players, digital cameras, PDAs and several other devices, and has merged them all together?

Верно ли следующее утверждение:

To switch to Ipv6 all the interconnecting yet invisible devices will need to be upgraded or replaced.

Why did mainframes get their name?

There are no mainframes now in use worldwide.

What did IBM do to get customers use mainframes for more functions?

IBM is the only big firm that still sells mainframes.

Mainframes were dethroned by distributed systems.

Some companies like mainframes because they are reliable and secure.

IBM has never bundled mainframes with applications at a discount.