Microprocessor history architecture of microprocessor. Before introduction of the microprocessor circa 1960s, hardwired controllers were used in motor drive applications 30. In 1971, intel corporation came out with a 4bit microprocessor intel. It is a silicon chip that comprises millions of transistors and other electronic components that process millions of instructions per second. Let us take a look at a brief history of the microprocessor and discuss how the microprocessors have evolved over the past years. Microprocessor history and brief information about its.
The microprocessor is a single ic package in which several useful functions are integrated and fabricated on a single silicon semiconductor chip. The birth of the microprocessor, the first microcomputers, a leading role for the microprocessor, the promise of reduced instruction set computer risc, and microprocessors of. It was a 16bit processor with an 8bit external bus. Over the next few weeks well be taking an extensive look at the history of the microprocessor and the personal computer, from the invention of the transistor to. The first microprocessor was introduced in the year 1971. The history of the microprocessor and the personal. This paper presents the history of the microprocessor in the context of the technology and applications that drove its continued advancements.
Intel 4004 is a 4 bit microprocessor and it was not a powerful microprocessor. The integrated chip greatly improved the use for transistors, but it could only do what it was originally programmed to do. Second generation the second generation marked the development of 8 bit microprocessors from 1973 to 1978. Microprocessormicrocontroller the first microprocessor to make it into a home computer was the intel 8080, a complete 8bit computer on one chip. A simple integrated circuit that carries the central processing unit of a computer is the microprocessor. Are you not fascinated to know what the history behind the invention of. Its architecture consists of a central processing unit, memory modules, a system bus, and an inputoutput unit.
The history of the microprocessor can be divided into five stages. Microprocessor has turned into the brain of millions of gadgets, since year 1971 i. In 1971, intel created the first microprocessor 4004 that would run at a clock speed of 108 khz. History of microprocessor free download as powerpoint presentation. This chip became the most popular in the computer industry when ibm used it for.
I really hope you enjoyed the video and hopefully learned a thing or two and if you like what i am making let me know and if you arent let me know why. The microprocessor is one of the unsung heroes of the modern era. The microprocessor is nothing but the cpu and it is an essential component of the computer. It was created as a cheaper version of intels 8086. This video contains a presentation of history of microprocessors specially manufactured by intel. The data bus width of 8085 microprocessor is 8bit i.
It was introduced by intel and was named intel 4004. This was the period during 1971 to 1973 of microprocessor s history. Lecture note on microprocessor and microcontroller theory. A microprocessor is a versatile chip, that is combined with memory and special purpose chips and preprogrammed by a software. Like the car designer whose vehicle gives the racing driver glory, the microprocessor makes quite incredible things possible all over the world. Evolution of microprocessor types and applications. Data bus carries data in binary form between microprocessor and other external units such as memory. First generation from 1971 to 1972 the era of the first generation came which brought microprocessors like intel 4004 rockwell international pps4 intel 8008 etc.
278 310 738 1135 1024 169 1236 1123 773 778 1210 929 588 943 1575 159 1095 255 233 1440 355 161 422 551 432 1124 227 1036 902 1417 918 920 1513 609 1259 1277 334 689 525 240 1107 985 415