Main memory

Main memory, primary memory, primary storage, or RAM, known by all of these names, it is like the heart of a computer. If the CPU is the brain, RAM provides the circulation of instructions, data, addresses, and the status of everything flowing through the computer.

RAM

Random-access memory or RAM allows data, instructions, addresses, or state information to be located and accessed directly. Each byte in RAM is addressable and accessed by itself or in a block of data. Its random-access capability contributes to the overall speed of the computer. The types of RAM are as follows:

• Dynamic RAM (DRAM) is electrically volatile and must receive a refresher electrical charge periodically in order to hold its status (positive...