Discussion
Which of the following devices can be erased even if it is mounted on the computer motherboard?
Answer: A
EEPROM (electrically erasable programmable read only memory) can be erased by an electrical signal, so it can be erased and rewritten in the circuit, while it is mounted on the motherboard. EPROM needs ultraviolet light through a quartz window, so it must be taken out of the board and put under a UV lamp. ROM is programmed at manufacture and cannot be erased, and PROM can be programmed once only by the user. The answer is EEPROM, option A.
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