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PLA vs ROM ROM (Read Only Memory) and PLA (Programmable Logic Array) are used to implement logic functions. Both of them use the ‘Sum of Products’ logic configuration, which consists of a primary array of AND gates and a secondary array of OR gates. The OR function (Sum) is applied to outputs of AND (product)... 

Primary vs Secondary Memory | Auxiliary Storage Devices A computer contains a hierarchy of memory devices for storing data. They vary in their capacity, speed and cost. Primary memory (also referred to as the main memory) is the memory that is directly accessed by the CPU to store and retrieve information. Secondary... 

RAM vs ROM RAM and ROM are both different types of memories used in any computer to make it fast and to enable it to access information stored in the computer. Every computer comes with a certain amount of physical memory which is actually chips that hold data. This memory is referred to as Random Access Memory...