Comptia A+ 220-701 Memory
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| Dynamic RAM (DRAM) | Sends a bit of information to maintain the state.
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| Dynamic RAM (DRAM) | High Capacity Storage.
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| Dynamic RAM (DRAM) | Inexpensive memory.
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| Dynamic RAM (DRAM) | Main memory of computer.
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| Dynamic RAM (DRAM) | Continual power supply required. Data lost when powered off.
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| Static RAM (SRAM) | Maintains stored data without continually resending.
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| Static RAM (SRAM) | Lower storage capacity.
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| Static RAM (SRAM) | Faster RAM.
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| Static RAM (SRAM) | Requires less power.
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| Static RAM (SRAM) | Non-Volatile RAM. Maintains data when powered off.
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| Static RAM (SRAM) | Typically used in cache memory.
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| Synchronous Dynamic RAM (SDRAM) | In synch with system bus clock.
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| Synchronous Dynamic RAM (SDRAM) | Accepts 1 command (word) per clock cycle.
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| Double Data Rate Synchronous Dynamic RAM (DDR) | Accepts 2 data sets (words) per clock cycle.
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| DDR2 | Accepts 4 data sets (words) per clock cycle.
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| DDR2 | Includes a buffer between data bus and memory.
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| DDR3 | Accepts 8 data sets (words) per clock cycle.
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| Rambus DRAM (RDRAM) | Accepts 2 data sets (words) per clock cycle.
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| Rambus DRAM (RDRAM) | Uses heat spreaders to dissipate heat.
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| SIMM | Memory Module that has pins on both sides, but the pins are redundant on both sides.
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| DIMM | Memory Module that has pins on both sides, but the pins are unique.
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| SO-DIMM | Smaller DIMM used in laptops.
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| RIMM | Memory module used by the RDRAM specifications.
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| CAS Latency (CL) | Delay between the time data is requested and the time it is available on the module's output pins.
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| Parity | A 1 or 0 is appended to to each byte so that the total number of 1s is either even or odd.
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| Error Correcting Code (ECC) | A value appended to the end of each byte so that data can be compared and recalculated if an error occurs.
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| Which of the following memory ratings identifies the fastest memory? PC3200, DDR2-667, PC-133, PC-2700, DDR3-1600 | DDR3-1600
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| What is the ~ operating frequency of DDR2 memory rated at PC2-5300 in MHz? 530, 667, 883, 1325 | 667
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| Which of the following memory ratings identifies the fastest memory? PC3-8500, PC3-10600, DDR3-2000, PC2-3200, DDR-400 | DDR3-2000
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| What is the ~ operating frequency of DDR memory rated at PC-4000 in MHz? 500, 1000, 2000, 4000, 8000 | 500
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| Which of the following memory ratings identifies the fastest memory? PC-2700, DDR3-1600, PC-3200, PC-133, DDR2-667 | DDR3-1600
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