different between nvram vs sdram

nvram

nvram From the web:

• what nvram reset does
• what nvram stands for
• what nvram does
• what nvram file
• what is nvram mac
• what is nvram reset
• what is nvram used for
• what is nvram file in vmware

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sdram

sdram From the web:

• what sdram stands for
• sdram what is precharge
• what is sdram in computer
• what is sdram vs ram
• what is sdram in laptop
• what is sdram memory
• what is sdram and dram
• what does sdram do