DDR and DDR2 RIMMS
There are 22 Main Categories on WikiAnswers.
cache memory is neither main memory nor second memory. DDR's are Main memory and Disk is second memory.
From memory, the three categories are animal, plant and mineral.
The main categories of food are:CarbohydratesFatsProteinsVitaminsMinerals
What_are_two_major_categories_of_static_RAM_memory
The major difference between main memory and auxiliary memory is that main memory is directly accessed by CPU but the auxiliary memory is not accessed by the CPU directly.For this the data is first transferred to main memory from auxiliary memory and then from main memory the data is transferred to the CPU for further processing. Answered By: Richa Singh
Electrical power, Control Signals, Data, and Memory Addresses. (CPU BUS)
The three main categories of fashion are haute couture,ready-to-wear and mass market.
A newly created process is in main memory.
You haven't stated any categories.
By "main memory" I assume you mean Primary Storage. This would be your RAM (Randon Access Memory)