Describe the architecture of non-volatile memory technologies such as NAND flash and 3D XPoint. How do they differ from traditional DRAM and how are they used in modern systems?

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Fundamentals of hardware concepts

A computer system is made of a combination of hardware and software. The software consists of a set of instructions that instruct the computer to perform a task. It can be system software or application software. Whereas, hardware is the part of a computer that can be touched. In other words, computer hardware consists of the physical components of a computer. The internal parts of a computer are called components and the external hardware components are called peripherals.