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Computer architecture refers to the design and structure of a computer system. There are several types of computer architectures, each designed for specific purposes. Here are the main ones explained in simple terms: 1. Von Neumann Architecture (Stored Program Architecture) Description : This is the most common architecture for general-purpose computers. It consists of a Central Processing Unit (CPU) , memory , and input/output devices . How it works : In Von Neumann architecture, both data and instructions (programs) are stored in the same memory. The CPU fetches instructions from memory, executes them, and then moves to the next instruction. This architecture is simple and easy to implement. Example : Most personal computers, laptops, and desktops use this architecture. 2. Harvard Architecture Description : Harvard architecture is similar to Von Neumann, but with a key difference: it has separate memory for data and instructions . This allows the CPU to fetch instructions a...