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6 Cards in this Set
- Front
- Back
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WHAT ARE THE SEMICONDUCTOR MEMORY TYPES? |
THESE ARE - Random Access Memory (RAM) - Read Only Memory (ROM) - Programmable ROM (PROM) - Erasable PROM (EPROM) - Electronically EPROM (EEPROM) - Flash Memory |
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WHAT ARE THE CATEGORIES FOR
SEMICONDUCTOR MEMORY AND
THEIR RESPECTIVE MEMORY TYPES? |
Read-write Memory - Random Access Memory Read-only Memory - Read Only Memory - Programmable Read Only Memory Read-mostly Memory - Erasable Programmable Read Only Memory - Electronically EPROM - Flash Memory |
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WHAT ARE THE CHARACTERISTICS OF RAM? |
It is... - Volatile - Dynamic or Static - Read/Write - Temp Storage - Misnamed ~ all semiconductors are random access |
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WHAT ARE THE CHARACTERISTICS OF DYNAMIC RAM? |
- Bits are stored in capacitors - Charges leak - Less expensive - Needs refreshing even when powered - Need refresh circuits - Simpler construction - Slower - Main Memory - Essentially analogue |
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WHAT ARE THE CHARACTERISTICS OF STATIC RAM? |
- Bits are stored as on-off switches - No charges to leak - More expensive - No refreshing needed when powered - Does not need refresh circuits - More complex construction - Faster - Cache - Digital |
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SRAM VS DRAM? |
- Both Volatile - Power needed to preserve data - Dynamic Cell - Simpler to build, smaller - Static - Faster - Cache |
