Then engineers got smarter, using stacks of punch-cards and paper tape for programs and output, followed by half-inch magnetic tape: all serial-access storage. 不过工程师们还是很聪明的,他们用打孔的卡片和纸带用来存储和输出,随后还出现了半英寸的磁带&这些都是串行存取的存储设备。
A term sometimes applied to standard half-inch tape in "open" demountable reels. 有时指在可卸带盘中的标准1/2英寸磁带。