Fundamentals and Advanced Concepts of Microprocessors
Farida A. Ali, Sabita Mali · 2024
Microprocessors have progressed from four-bit devices in the 1970s to 64-bit and multi-core processors in PCs and embedded systems today. In March 1971, Busicom, a Japanese calculator company, and Intel, an American semiconductor powerhouse, developed the first microprocessor, the CPU 4004. The power of intelligence and the power of computing were combined to create microprocessors, ushering in a new era of technology. In the era of logic, programmable logic replaced IC-based hardwired logic with microprocessors, ushering in a new era of programming. The widespread availability of microprocessors provided new engineers with the power of computing to design personal and mainframe computers, paving the path for high-performance microprocessors. The 4004 produced 0.06MIPS thanks to its 2,238 transistors and 750 kHz operational frequency. Pipeline, super-pipeline, super-scalar, VLIW, cache memory, and virtual memory systems were possible when microprocessors rose from 4 to 64 bits. Microprocessors benefit from chip integration and multiple-core designs, which combine the arithmetic, logic, and control circuitry of a computer&s;s central processing unit. Microprocessors enhance high-performance personal computers, servers for massive communication networks, artificial intelligence, and machine learning. Microprocessors are therefore a tool to bring forth wisdom for humans in the 21st century