Meanings of old mainframe in inglés

More than half still rely on decades- old mainframe systems that run on outdated software.

The font looked like something produced by the old mainframe I used as an undergrad.

To be sure, it's still in use in many places (particularly old mainframe and minicomputer systems).

He took special interest in the old mainframe computers that began to turn up in the yard as smaller computers gained popularity.

More than half, including California, New York and Pennsylvania, still rely on decades- old mainframe systems based on the COBOL language first introduced in 1959.