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Random-access Memory ITE 221 Notes - Coggle Diagram
Random-access Memory ITE 221 Notes
Volatile Storage Location (Needs electricity)
Short term memory
Install everything as the same speed & size
Dual Channel Memory (better option)
Memory needs to be almost exactly the same and the motherboard has to support it
Single, dual, triple, and quadruple lines
SODIMM
Used in laptops, printers, etc.
J DECK (supervises memory qualifications and requirements)
SDR (Single data rate)
PC
X
where as
X
= bandwith
DDR5
280 pins
260 pins
DDR3
DIMM 240 pins
SODIMM 204 pins
DDR2
DIMM 240 pins
SODIMM 200 pins
DDR
DIMM 182 pins
SODIMM 200 pins
DDR4
280 pins
260 pins
ECC (Error correcting code) RAM
Can checks for errors
Very expensive and non-compatible with non-ECC RAM
VRAM
Uses part of hard drive/storage device as RAM