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Definition of "PROM" |
Programmable read-only memory / Programmable Read-Only Memory, Passive Range of Motion, Premature rupture of membranes, / A programmable read only memory or field programmable read-only memory or one-time programmable non-volatile memory (OTP NVM) is a form of digital memory where the setting of each bit is locked by a fuse or antifuse. They are a type of ROM (read-only memory) meaning the data in them is permanent and cannot be changed. PROMs are used in digital electronic devices to store permanent data, usually low level programs such as firmware (microcode). / A programmable read-only memory or field programmable read-only memory or one-time programmable non-volatile memory is a form of digital memory where the setting of each bit is locked by a fuse or antifuse. / Short for programmable read-only memory, a memory chip on which data can be written only once. Once a program has been written onto a PROM, it remains there forever. Unlike RAM, PROMs retain their contents when the computer is turned off.The difference between a PROM and a ROM (read-only memory) is that a PROM is manufactured as blank memory, whereas a ROM is programmed during the manufacturing process. To write data onto a PROM chip, you need a special device called a PROM programmer or PROM burner. The process of programming a PROM is sometimes called burning the PROM. / In telecommunication, data signaling rate, also known as gross bit rate, is the aggregate rate at which data pass a point in the transmission path of a data transmission system. The DSR is usually expressed in bits per second. / See programmable read-only memory, Pockels readout optical modulator. |
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