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Question
Differentiate PROM and EPROM.
Distinguish Between
Solution
PROM:
- Can be Programmed only once.
- This has Permanent memory.
- Enclosed in the plastic package so that not visible to UV light.
- Uses high Voltage.
EPROM:
- It is reusable and can be programmed multiple times.
- EPROMs memory can be erased using UV light.
- EPROMs are fused with quartz windows.
- Also, use high Voltage but not enough to alter the semiconductor layer permanently.
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Components of a Computer - Memory Unit (Memory Devices)
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