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A+ Memory

Comptia A+ 220-701 Memory

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