COMPUTER FUNDAMENTALS

COMPUTER HARDWARE

MOTHERBOARDS AND EXPANSION CARDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which packaging is used for DDR SDRAM memory?
A
168-pin DIMM
B
72-pin SIMM
C
184-pin DIMM
D
240-pin DIMM
Explanation: 

Detailed explanation-1: -Most DDR SDRAM uses a Thin Small Outline Package (TSOP). TSOP chips have fairly long contact pins on each side.

Detailed explanation-2: -184-pin DIMM memory modules use DDR SDRAM chips.

Detailed explanation-3: -DIMM is a memory stick with power and data contacts on both sides of the board. The DIMM is a newer design memory module with a 64-bit memory pathway. SDRAM comes in DIMM format with 168 pins, and DDR-DRAM comes in DIMM format with 184 pins. Variants of DIMM slots support DDR, DDR2, DDR3, DDR4 RAM modules.

Detailed explanation-4: -Types of DRAM packages There are two main types of DRAM packaging: single inline memory module (SIMM) and dual inline memory module (DIMM). Single inline memory module packaging is considered obsolete now and was used in the 1980s to 1990s. SIMMs came in 30 and 72 pin sets and typically had 32 bit data transfer rates.

Detailed explanation-5: -Modern DIMMs based on double data rate fourth generation (DDR4) SDRAM chips use 288-pin connectors to attach to the computer motherboard to enable the increase in data throughput. As clock speeds of the RAM chips increased, the 64-bit path handled increasing amounts of data.

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