Associative Memory Unlike the main memory which is accessed using the contents address and in sequential method, the associative memory is accessed by contents and is also called as the content addressable memory. For writing a word in memory, unused space is found by memory and the word written their. Word is read from memory by matching the word or its part with the contents/word  stored in memory. Difference between main memory and associative or content addressable memory Main Memory Associative or Content addressable memory Memory accessed by using address of contents/words Memory is accessed by matching contents with word stored in memory To store a word, we assign the address and write the word at that address To write a word, memory finds the empty space and