61.   IBM has a huge distribution network, through which it sells everything from mainframe computers to business consulting services.

62.   IBM made a fortune selling the hardware of mainframe computers.

63.   IBM, however, had deployed mainframe computers all over the world for big corporations, and those corporations wanted those computers to communicate with one another.

64.   IBM found itself caught in a shift away from mainframe computers to client-server systems that could be run with smaller, less-expensive computers.

65.   IBM still gains nearly two-thirds of its profits from mainframe computers.

66.   In junior high I took some courses at a local science center that had a donated mainframe computer.

67.   In recent months, international observers have voiced concern about what would happen to mainframe computers of the Russian and Chinese missile systems.

68.   In the early days of mainframe computers, companies relied on large, costly disk-drive units to store vast amounts of data.

69.   Instead of programming consoles for mainframe computers, he now works on the increasingly sophisticated electronics used to treat hearts that beat too fast or too slow.

70.   Initially, Meyerson had hoped the chip design could be used in mainframe computers.