PROM is a type of ROM that can be programmed only once by a special device and uses high voltages. There are some types that can be somewhat modified that include programmable ROM (PROM), erasable programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) and Flash, which is a type of EEPROM. ROMs are integrated circuits that contain data and most often cannot be altered. Static RAM is more expensive and has more capacity for storage than dynamic RAM that has to be refreshed more often, and is thus slower. The main types of RAM include static RAM (SRAM), dynamic RAM (DRAM). The types of ROM include PROM, EPROM and EEPROM. The two main types of RAM are static RAM and dynamic RAM. its contents are retained even when the device is powered off. its contents are lost when the device is powered off. ROM stores the program required to initially boot the computer. RAM allows the computer to read data quickly to run applications. Read-only memory or ROM is also a form of data storage that can not be easily altered or reprogrammed.Stores instuctions that are not nescesary for re-booting up to make the computer operate when it is switched off.They are hardwired. Random Access Memory or RAM is a form of data storage that can be accessed randomly at any time, in any order and from any physical location., allowing quick access and manipulation. Comparison chart RAM versus ROM comparison chart
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January 2023
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