Additionally, there was cheap and reliable computer storage, like magnetic tape cassettes and floppy disks.

此外，还有便宜且可靠的计算机存储，例如磁带盒和软盘。

But the end result would be an extremely reliable and generally useful quantum computer.

但最终结果将是一台极其可靠 且普遍有用的量子计算机。