Memory Modules

Question 1

• Can put any size of module in any slot
  
  • Dual Inline Memory Module (DIMM)
  • with 240 or 184-pin connector

Answer 1

Single Bank

Question 2

• Most common type of memory
  
  • PC133
    
    • 133 MHz

Answer 2

Dual Data Rate (DDR)

Question 3

Calculated based on the bus speed and the width of the data bus

Answer 3

Throughput

Question 4

Oldest type of memory that requires frequent refreshing
- Storage cell is dynamic

Answer 4

Dynamic RAM (DRAM)

Question 5

• First memory module that operates at the same speed as the motherboard bus (168-pin connector)
  
  • PC66 (66 MHz bus)
  • PC133 (133 MHz bus)
  • PC266 (266 MHz bus)

Answer 5

Synchronous DRAM (SDRAM)

Question 6

Doubles the transfer speed of an SRAM module (184-pin connector)

Answer 6

Double Data Rate Synchronous Dynamic Random-Access Memory (DDR SDRAM)

Question 7

• Higher latency and has faster access to the external bus (240-pin connector)
  
  • PC2-4200
  • 4200 MB/s or 4.2 GB/s

Answer 7

Double Data Rate 2 Synchronous Dynamic Random-Access Memory (DDR2 SDRAM)

Question 8

• Runs at a lower voltage and at a higher speed then DDR2 (240 keyed pin connector)
  
  • PC3-10600
  • 10600 MB/s or 10.6 GB/s
• DDR3 throughput is 6.4 to 17 GB/s with a maximum module size of 8GB per memory module

Answer 8

Double Data Rate 3 Synchronous Dynamic Random-Access Memory (DDR3 SDRAM)

Question 9

Classified as DDR3, DDR4, or DDR5

Answer 9

Small Outline Dual In-Line Memory Module (SODIMM)