Introduction to microprocessors and micro controllers
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Language: en
Added: Oct 30, 2025
Slides: 8 pages
Slide Content
Introduction to Microprocessor
What is a Microprocessor? A microprocessor is an integrated circuit that contains the functions of a central processing unit (CPU) of a computer. It performs arithmetic and logical operations, controls data flow, and communicates with memory and peripherals.
Brief History - 1971: Intel introduced the first microprocessor, the 4004. - 1974: Intel 8080 became popular in early computers. - 1978: Intel 8086 laid the foundation for x86 architecture. - Modern microprocessors power everything from computers to smartphones and embedded systems.
Basic Functions of a Microprocessor - Fetch instructions from memory - Decode the instructions - Execute arithmetic and logic operations - Control data flow between memory and peripherals - Store results back into memory
Components in Block Diagram - Control Unit: Directs operation of processor. - Arithmetic Logic Unit (ALU): Performs arithmetic and logic operations. - Registers: Small storage locations within CPU. - System Bus: Transfers data between microprocessor and memory/peripherals.
Applications of Microprocessors - Personal computers and laptops - Embedded systems (cars, appliances) - Industrial controllers - Communication devices - Medical equipment
Conclusion Microprocessors are the heart of modern computing devices. They continue to evolve in speed, complexity, and capabilities, enabling advances across all fields of technology.