COMPUTER FUNDAMENTALS

COMPUTER HARDWARE

MOTHERBOARDS AND EXPANSION CARDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are the numbers of pins that can be found on DIMM modules used in desktop motherboards? (Choose two.)
A
180
B
184
C
200
D
204
E
240
Explanation: 

Detailed explanation-1: -DIMMs used in desktop mobo apps have one of four possible pin counts. SDR SDRAM is implemented on 168-pin modules. DDR SDRAM is implemented on 184-pin modules. DDR2 & DDR3 are implemented on 240-pin modules with different keying, and DDR4 DIMMs have 288 pins.

Detailed explanation-2: -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.

Detailed explanation-3: -DDR (Double Data Rate SDRAM) DDR is a 2.5 volt technology that uses 184 pins in its DIMMs.

Detailed explanation-4: -DDR SDRAM modules for desktop computers, dual in-line memory modules (DIMMs), have 184 pins (as opposed to 168 pins on SDRAM, or 240 pins on DDR2 SDRAM), and can be differentiated from SDRAM DIMMs by the number of notches (DDR SDRAM has one, SDRAM has two).

Detailed explanation-5: -Module packaging DDR4 memory is supplied in 288-pin dual in-line memory modules (DIMMs), similar in size to 240-pin DDR3 DIMMs.

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