types of memory Flashcards
What does the application of memory depend on?
suitability, affordability, marketability
what do you do when the mb dont recognise the module?
flash the bios
why might you not be able to add anymore ram?
double sided ram counts as two seperate modules. so if you have two single modules and 1 double sided module yo may not be able to add any more
what does the word dynamic refer to in dram?
It refers to memory chips need for constant update signal (aka refresh signal) to keep info in there
what if the signal stops in dram?
it will bleed and stop functioning
what does adram have on its chips?
it has code thats related to access time of memory
what is access time?
Its the difference between the time info requested and time recieved
what is wait states?
where cpu waited for memory to catch up
techs of adram?
fast page model, extended data out, burst edo
what does sdram do?
it provides a common signal for all bus components to use for each step the perform
what is the sdr sdram?
its a legacy tech, where 1 bit of data is transitted per data pin
how does the processor connect with memory?
data bus width 8 bytes hence 64 bit
whats the frequency of sdr sdram?
100mghz
what is the difference between the 3 ddrs in voltage?
the newer the ddr the lower the voltage to reduce heat production and power consumption
What doubles the tranfer rate of sdram?
ddr
