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Showing posts with the label Primary - Secondary - Tertiary - Cache and Virtual Memory

Computer Memory | Primary - Secondary - Tertiary - Cache and Virtual Memory

Computer Memory: Computer memory refers to the physical devices and systems used to store and retrieve digital information in a computer. It plays a crucial role in the functioning of a computer system by providing the necessary storage for data and programs. There are several types of computer memory, each serving a specific purpose. The two main categories of computer memory are primary memory (or RAM) and secondary memory (or storage). Computer Memory 1. Primary Memory (RAM - Random Access Memory): Function: Primary memory is volatile memory that is used to store data and programs that are actively being used or processed by the computer. Characteristics: It is volatile, meaning that its contents are lost when the power is turned off. Provides fast access to data, allowing the CPU to retrieve information quickly. Acts as temporary storage for the operating system, applications, and currently running processes. Types: DRAM (Dynamic RAM): Requires constant refreshing to retain d...