![]() ![]() ![]() A storage array is a data storage system containing multiple disk drives.A tape drive is persistent data storage hardware that uses magnetic tape.An optical (CD or DVD) drive is persistent storage written and read with a specialized laser.A solid-state drive (SSD) is a solid-state, non-volatile storage hardware that uses integrated circuit assemblies.A hard disk drive (HDD) is a non-volatile, electro-mechanical data storage hardware for persistent and long-term data storage.Secondary memory is long-term and persistent data storage that’s not directly accessed by the CPU.Read-only memory (ROM) is non-volatile memory that connects by electronically modified post manufacturing.Random-access memory (RAM) is short-term memory, where only the data currently in use by the CPU is kept.Primary memory is memory the CPU can access directly.This article will help you understand the various types of computer memories, their use cases, importance, and subcategories. Other types are designed to be low cost, so large amounts of data can be stored economically. Some types of computer memory are designed to be fast, meaning the central processing unit (CPU) can access data stored there quickly. There are two memory types, primary and secondary, which are accessed depending on their use by the computer. Computer memory is an umbrella term for all types of data storage technology that’s built into or can be externally connected to a computer device or server. ![]()
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