Do banks still use mainframes to manage customer accounts?

When did some Bank of America customers had trouble accessing online accounts?

What does manage traffic and road signs?

Верно ли следующее утверждение:

Today the content you see in your browser accounts for less than a quarter of the traffic on the Internet.

Верно ли следующее утверждение:

In September, some Bank of America customers had trouble accessing online accounts.

In 2032, police officers manage traffic and road signs.

Why did mainframes get their name?

There are no mainframes now in use worldwide.

IBM is the only big firm that still sells mainframes.

What has replaced mainframes since the 1980-s?

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