paragraph_text: The Thompson shell is the first Unix shell, introduced in the first version of Unix in 1971, and was written by Ken Thompson.

paragraph_text: DECmate was the name of a series of PDP-8-compatible computers produced by the Digital Equipment Corporation in the late 1970s and early 1980s. All of the models used an Intersil 6100 (later known as the Harris 6100) or Harris 6120 (an improved Intersil 6100) microprocessor which emulated the 12-bit DEC PDP-8 CPU. They were text-only and used the OS/78 or OS/278 operating systems, which were extensions of OS/8 for the PDP-8. Aimed at the word processing market, they typically ran the WPS-8 word-processing program. Later models optionally had Intel 8080 or Z80 microprocessors which allowed them to run CP/M. The range was a development of the VT78 which was introduced in July 1977.

paragraph_text: The Pentium III (marketed as Intel Pentium III Processor, informally PIII) brand refers to Intel's 32 - bit x86 desktop and mobile microprocessors based on the sixth - generation P6 microarchitecture introduced on February 26, 1999. The brand's initial processors were very similar to the earlier Pentium II - branded microprocessors. The most notable differences were the addition of the SSE instruction set (to accelerate floating point and parallel calculations), and the introduction of a controversial serial number embedded in the chip during the manufacturing process.

paragraph_text: By the late 1960s, designers were striving to integrate the central processing unit (CPU) functions of a computer onto a handful of MOS LSI chips, called microprocessor unit (MPU) chipsets. Building on an earlier Busicom design from 1969, Intel introduced the first commercial microprocessor, the 4 - bit Intel 4004, in 1971, followed by its 8 - bit microprocessor 8008 in 1972. In 1969, Lee Boysel, b 8 - bit arithmetic logic units (3800 / 3804) he designed earlier at Fairchild, created the Four - Phase Systems Inc. AL - 1, an 8 - bit CPU slice that was expandable to 32 - bits. In 1970, Steve Geller and Ray Holt of Garrett AiResearch designed the MP944 chipset to implement the F - 14A Central Air Data Computer on six metal-gate chips fabricated by AMI.

paragraph_text: In the United States, instant noodles were first available by Nissin Foods in 1971. In 1972, Nissin Foods introduced ``Nissin Cup Noodles ''in a foam food cup, which led to an upsurge in popularity. Soon after, many other competing companies were offering similar instant noodle products.

paragraph_text: The Mitsubishi Colt 800 is the first of a series of passenger cars with a fastback/hatchback design produced by Mitsubishi Motors from November 1965. It was introduced as a two-door fastback sedan, the first such design in the Japanese market. The series was discontinued in 1971, after the introduction of the company's Galant sedan but without a real replacement.

paragraph_text: The chip design started in April 1970, when Federico Faggin joined Intel, and it was completed under his leadership in January 1971. The first commercial sale of the fully operational 4004 occurred in March 1971 to Busicom Corp. of Japan for which it was originally designed and built as a custom chip. In mid-November of the same year, with the prophetic ad ``Announcing a new era in integrated electronics '', the 4004 was made commercially available to the general market. The 4004 was the first commercially available monolithic CPU, fully integrated in one small chip. Such a feat of integration was made possible by the use of the then - new silicon gate technology for integrated circuits, originally developed by Faggin (with Tom Klein) at Fairchild Semiconductor in 1968, which allowed twice the number of random - logic transistors and an increase in speed by a factor of five compared to the incumbent MOS aluminum gate technology. Faggin also invented the bootstrap load with silicon gate and the`` buried contact'', improving speed and circuit density compared with aluminum gate.

paragraph_text: This new development heralded an explosion in the commercial and personal use of computers and led to the invention of the microprocessor. While the subject of exactly which device was the first microprocessor is contentious, partly due to lack of agreement on the exact definition of the term "microprocessor", it is largely undisputed that the first single-chip microprocessor was the Intel 4004, designed and realized by Ted Hoff, Federico Faggin, and Stanley Mazor at Intel.

paragraph_text: XPL0 is based on PL/0, an example compiler in the book "Algorithms + Data Structures = Programs" by Niklaus Wirth. The first XPL0 compiler was written in ALGOL. It generated instructions for a pseudo-machine that was implemented as an interpreter on a Digital Group computer based on the 6502 microprocessor. The compiler was converted from ALGOL to XPL0 and was then able to compile itself and run on a microcomputer.

paragraph_text: A century after the 1871 Act, the Banking and Financial Dealings Act 1971, which currently regulates bank holidays in the UK, was passed. The majority of the current bank holidays were specified in the 1971 Act: however New Year's Day and May Day were not introduced throughout the whole of the UK until 1974 and 1978 respectively. The date of the August bank holiday was changed from the first Monday in August to the last Monday in August, and the Whitsun bank holiday (Whit Monday) was replaced by the Late Spring Bank Holiday, fixed as the last Monday in May. In 1978 the first Monday in May in the rest of the UK, and the final Monday of May in Scotland, were designated as bank holidays.

paragraph_text: 1971 -- Swamp Rat XIV (or Swamp Rat 1 - R), first successful rear - engined dragster, built by Don Garlits; Ed Donovan introduces the 417 Donovan hemi, an aluminum copy of the Chrysler

paragraph_text: Baileys Irish Cream was created by Gilbeys of Ireland, a division of International Distillers & Vintners, as it searched for something to introduce to the international market. The process of finding a product began in 1971 and it was introduced in 1974 as the first Irish cream on the market. The Baileys name was granted permission by John Chesterman after Gilbeys asked to use the name from a restaurant that John Chesterman owned. The fictional R.A. Bailey signature was inspired by the Bailey's Hotel in London, though the registered trademark omits the apostrophe. Baileys is produced in Dublin and Mallusk (Northern Ireland).

paragraph_text: Yonah was the code name for (the core of) Intel's first generation of 65 nm process mobile microprocessors, based on the Banias/Dothan-core Pentium M microarchitecture. SIMD performance has been improved through the addition of SSE3 instructions and improvements to SSE and SSE2 implementations, while integer performance decreased slightly due to higher latency cache. Additionally, Yonah includes support for the NX bit.

paragraph_text: The Honda CBR900RR, also known as the FireBlade in some countries, is a 900 cc sport bike, part of the CBR series introduced in 1992 by Honda. It was the first of a series of large-displacement Honda models to carry the RR suffix. The development of the first generation CBR900RR was led by Tadao Baba.

paragraph_text: The first cooling systems for food involved using ice. Artificial refrigeration began in the mid-1750s, and developed in the early 1800s. In 1834, the first working vapor - compression refrigeration system was built. The first commercial ice - making machine was invented in 1854. In 1913, refrigerators for home use were invented. In 1923 Frigidaire introduced the first self - contained unit. The introduction of Freon in the 1920s expanded the refrigerator market during the 1930s. Home freezers as separate compartments (larger than necessary just for ice cubes) were introduced in 1940. Frozen foods, previously a luxury item, became commonplace.

paragraph_text: iOS 11 was introduced at the Apple Worldwide Developers Conference keynote address on June 5, 2017. The first developer beta version was released after the keynote presentation, with the first public beta released on June 26, 2017.

paragraph_text: Maharashtra was the first state to introduce the institution of Lokayukta through The Lokayukta and Upa - Lokayuktas Act in 1971. This was followed by similar acts that were enacted by the states of Odisha, Rajasthan, Bihar, Uttar Pradesh, Karnataka, Madhya Pradesh, Andhra Pradesh, Gujarat, Kerala, Tamil Nadu and the union territory of Delhi.

paragraph_text: Although personal computers only became popular with the development of the microprocessor and microcomputer, computer gaming on mainframes and minicomputers had previously already existed. OXO, an adaptation of tic - tac - toe for the EDSAC, debuted in 1952. Another pioneer computer game was developed in 1961, when MIT students Martin Graetz and Alan Kotok, with MIT student Steve Russell, developed Spacewar! on a PDP - 1 mainframe computer used for statistical calculations.

paragraph_text: The development of the cavity magnetron in the UK made possible the production of electromagnetic waves of a small enough wavelength (microwaves). American engineer Percy Spencer is generally credited with inventing the modern microwave oven after World War II from radar technology developed during the war. Named the ``Radarange '', it was first sold in 1946. Raytheon later licensed its patents for a home - use microwave oven that was first introduced by Tappan in 1955, but these units were still too large and expensive for general home use. Sharp Corporation introduced the first microwave oven with a turntable between 1964 and 1966. The countertop microwave oven was first introduced in 1967 by the Amana Corporation. After Sharp introduced low - cost microwave ovens affordable for residential use in the late 1970s, their use spread into commercial and residential kitchens around the world. In addition to their use in cooking food, types of microwave ovens are used for heating in many industrial processes.

paragraph_text: Virtually all console gaming systems of the previous generation used microprocessors developed by IBM. The Xbox 360 contains a PowerPC tri-core processor, which was designed and produced by IBM in less than 24 months. Sony's PlayStation 3 features the Cell BE microprocessor designed jointly by IBM, Toshiba, and Sony. IBM also provided the microprocessor that serves as the heart of Nintendo's new Wii U system, which debuted in 2012. The new Power Architecture-based microprocessor includes IBM's latest technology in an energy-saving silicon package. Nintendo's seventh-generation console, Wii, features an IBM chip codenamed Broadway. The older Nintendo GameCube utilizes the Gekko processor, also designed by IBM.

Question: Who introduced the first microprocessor for the developer of Yonah in 1971?
Answer: Federico Faggin