A cpu can be placed to one or two micro chips called ic's . Explain the concept easily class 11 cbse

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A CPU, or Central Processing Unit, is like the brain of a computer. It performs all calculations and controls everything. An IC, or Integrated Circuit, is a tiny chip made of silicon that contains many electronic components. The CPU can be placed on either one or two ICs depending on the design. In modern computers, all CPU parts are integrated onto a single IC. This single-chip CPU is called a microprocessor. It contains the arithmetic logic unit, control unit, and memory all on one tiny chip. This approach makes computers smaller, faster, and cheaper to manufacture. In older computer systems, the CPU functions were split between two separate ICs. For example, one chip might handle arithmetic calculations and math operations, while the other chip would handle control functions and memory management. These chips communicate through data buses. This design was common when technology couldn't fit everything on one chip. Let's compare the two approaches. Modern single IC CPUs have all components integrated on one chip, enabling faster internal communication, smaller physical size, and lower manufacturing costs. In contrast, older two IC designs had components separated across multiple chips, resulting in slower communication between parts, larger overall size, and higher costs. This is why today's computers predominantly use single IC microprocessors. To summarize, a CPU is the brain of a computer that can be placed on one or two integrated circuits. Modern technology allows all CPU components to fit on a single IC, creating what we call a microprocessor. This single IC approach is superior because it's faster, smaller, and cheaper than the older two IC design. Understanding this concept helps us appreciate how computer technology has evolved to become more efficient and compact over time.