A programmableread-onlymemory microchip (PROM) serves to store the initial start-up program for a computer system and is built to withstand the conditions present in outer space.
可编程只读存储芯片用于存储计算机系统的初始启动程序，它被设计成可以承受目前外太空的环境状况。
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Electrically Erasable, ProgrammableRead-OnlyMemory. (Pronounced"Double-E"-PROM. ) A type of ROM that can be erased electronically.