It was a TRS-80 model 1 with 4kb of memory and cassette tape mass storage, which I later upgraded to an Exatron stringy floppy.

那是一台TRS - 80机型1，它具有4kb内存和大容量存储磁带，之后我将其升级为Exatron软盘。

youdao

A system using a tape cassette (1) with a memory (4) as a recording medium is provided.

本发明提供了把含有存储器(4)的磁带盒(1)用作记录媒体的系统。

youdao

SmartDisk's clever FlashPath devices that will let you use the memory cards in a 3.5-inch floppy drive, or, for music, an audio cassette player.

FORBES: Ten O'Clock Tech: SmartDisk's Flash Media