1 4 Evolution Du Microprocesseur

FSJESAC_UH2C
10 May 202405:07

Summary

TLDRThis video, part of a series on computer architecture, delves into the microprocessor's architecture and function. It begins with the history of computing devices, highlighting the ENIAC and the shift from vacuum tubes to transistors in 1955. The introduction of the microprocessor in the 1970s revolutionized computer production by reducing cost and increasing speed. The integrated circuit, invented by Jack Kilby in 1958, laid the foundation for the microprocessor. The Intel 4004, released in 1971, contained 2300 transistors and could perform 92,600 operations per second. Today's microprocessors, like Intel's i9 11900k with 17 billion transistors, demonstrate the exponential growth in transistor count, as predicted by Moore's Law. The video explains the binary language of microprocessors and how it's translated for human interaction, and it briefly touches on the transistor's role in forming logical gates that enable calculations. Stay tuned for the next part, which will explore how microprocessors execute instructions.

Takeaways

  • 💡 The video is a continuation of a series on computer hardware and software architecture, focusing on the microprocessor architecture.
  • 📡 Computers and smartphones have revolutionized our lives, and the central electronic component behind these devices is the microprocessor.
  • 🚀 The first fully electronic computer, ENIAC, was created in 1945 and used vacuum tubes, which were later replaced by transistors in 1955.
  • ⚡ The invention of the transistor led to the development of the first transistor-based computer, the TRADIC, marking a significant shift in computing technology.
  • 📚 The microprocessor emerged in the early 1970s as an integrated circuit, resulting from the miniaturization of electronic components on a silicon chip.
  • 📉 The introduction of the microprocessor reduced the cost and increased the speed of computing, transforming the production of computers.
  • 🏗️ Jack Kilby created the first integrated circuit in 1958 by manually wiring several transistors to form memory and logic and arithmetic units.
  • 📈 The Intel 4004, released in 1971, was the first commercial microprocessor and contained 2300 transistors, capable of performing 92,600 operations per second.
  • 🔍 The number of transistors in microprocessors has been increasing, following Moore's Law, which predicts a doubling every two years.
  • 🌟 Modern microprocessors, like Intel's i9 11900k, contain billions of transistors, with manufacturing processes approaching the size of atoms.
  • ⚙️ Microprocessors operate using machine language, which is binary, and scientists have developed lookup tables to translate binary into more manageable code.
  • 🔢 The architecture of a microprocessor is an arrangement of transistors, with each transistor having three pins: drain, source, and gate, functioning as an electrical switch.

Q & A

  • What is the main topic of this video?

    -The main topic of this video is the architecture and functioning of the microprocessor.

  • What was the first fully electronic computer created in 1945?

    -The first fully electronic computer created in 1945 was the ENIAC, which operated with vacuum tubes.

  • What significant change occurred in 1955 in the field of computing?

    -In 1955, the invention of the transistor marked a significant change, as it led to the creation of the TRADIC (Transistor Digital Computer), the first transistor-based computer.

  • What does the acronym ENIAC stand for?

    -The acronym ENIAC stands for Electronic Numerical Integrator and Computer.

  • How did the invention of the microprocessor revolutionize computer production?

    -The invention of the microprocessor revolutionized computer production by reducing energy costs, manufacturing costs, and increasing calculation speed due to its integrated circuit design.

  • Who created the integrated circuit, and in what year?

    -Jack Kilby created the integrated circuit in 1958.

  • What was the name of the first microprocessor invented by Intel?

    -The first microprocessor invented by Intel was named the Intel 4004.

  • How many transistors did the Intel 4004 microprocessor contain, and what was its operating frequency?

    -The Intel 4004 microprocessor contained 2300 transistors and operated at a frequency of 740 kHz.

  • What is Moore's Law, and how does it relate to the number of transistors in microprocessors?

    -Moore's Law predicts that the number of transistors on a microprocessor would double approximately every two years, leading to an increase in performance and a decrease in size.

  • How many transistors does the latest Intel i9 11900k microprocessor contain?

    -The latest Intel i9 11900k microprocessor contains 17 billion transistors.

  • What is the basic function of a transistor in a microprocessor?

    -A transistor in a microprocessor functions as an electrical switch, controlled by a gate, and can be part of an NMOS or PMOS configuration to allow or block current flow.

  • What are the two types of transistors mentioned in the script, and how do they differ?

    -The two types of transistors mentioned are NMOS, which allows current to flow out if the gate is powered, and PMOS, which does the opposite of NMOS.

  • How are transistors combined to form logic gates, which are essential for calculations in a microprocessor?

    -Transistors are combined to form logic gates, such as AND and OR gates, which perform calculations based on input signals and are the building blocks of the microprocessor's architecture.

  • What is the purpose of the ASCII table in relation to microprocessors?

    -The ASCII table translates binary language into characters and symbols, making it easier to communicate with microprocessors that operate in binary.

  • How does the ASCII table simplify communication with a microprocessor?

    -The ASCII table simplifies communication by assigning binary sequences to characters, such as 'A' being represented by a specific binary sequence, allowing for more intuitive interaction with the microprocessor.

Outlines

00:00

😀 Introduction to Microprocessor Architecture

This paragraph introduces the video's focus on the microprocessor architecture, part of a larger series on computer hardware and software. The presenter welcomes viewers and sets the stage for exploring the central electronic component behind devices like computers and smartphones. The historical context is established with the creation of the first fully electronic computer, ENIAC, in 1945, and the subsequent invention of the transistor in 1955. The paragraph highlights the revolutionary impact of the microprocessor, which emerged in the early 1970s, leading to a significant reduction in manufacturing costs and an increase in computational speed. The microprocessor is described as an integrated circuit resulting from the miniaturization of electronic components on a silicon chip.

Mindmap

Keywords

💡Microprocessor

A microprocessor is the central processing unit (CPU) of a computer, responsible for executing instructions and processing data. It's a key concept in the video as it discusses the evolution and function of microprocessors in modern computing devices. The script mentions the Intel 4004, one of the first microprocessors, and compares its capabilities to the ENIAC computer.

💡Transistor

A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. It's fundamental to the video's theme as it discusses the invention of the transistor and its role in replacing vacuum tubes, leading to smaller, more reliable, and energy-efficient computing components. The script refers to the invention of the transistor in 1955 and its significance in the development of the first transistor-based computer.

💡Integrated Circuit

An integrated circuit (IC) is a set of electronic circuits on one small plate of semiconductor material, normally silicon. The video highlights the integrated circuit as a result of miniaturization that revolutionized computer production by reducing costs and increasing calculation speed. The script mentions Jack Kilby's creation of the first integrated circuit in 1958 and the Intel 4004 microprocessor as examples.

💡Moore's Law

Moore's Law is the observation that the number of transistors on a microchip doubles approximately every two years. It's relevant in the video's context as it discusses the exponential growth in the number of transistors in microprocessors over time. The script provides an example of how the Intel 4004 had 2300 transistors in 1970, while the Intel i9 11900k has 17 billion transistors.

💡Binary Language

Binary language, or machine language, is the most basic language understood by a computer, consisting of 0s and 1s. The video explains that microprocessors operate using binary signals, where '1' indicates the presence of current and '0' indicates its absence. The script discusses the impracticality of communicating directly with microprocessors using binary and the need for a translation system.

💡ASCII Table

The ASCII (American Standard Code for Information Interchange) table is used to represent text in computers, telecommunications equipment, and other devices that use text. The video mentions the ASCII table as a method scientists used to translate binary language into a more human-readable format, making communication with computers simpler. For instance, the script explains how the letter 'A' is translated into a binary sequence using the ASCII table.

💡Logic Gates

Logic gates are the basic building blocks of a digital circuit, used to perform logical operations. The video describes how transistors can be combined to form logic gates, which in turn perform calculations. The script gives examples of logic gates like the AND gate, which outputs 1 only if both inputs are 1, and the OR gate, which outputs 1 if at least one of the inputs is 1.

💡NMOS and PMOS

NMOS (N-type Metal-Oxide-Semiconductor) and PMOS (P-type Metal-Oxide-Semiconductor) are types of transistors. The video explains that an NMOS allows current to flow when the gate is energized, while a PMOS does the opposite. These different types of transistors are essential in creating the logic gates that form the architecture of a microprocessor, as mentioned in the script.

💡ENIAC

The ENIAC (Electronic Numerical Integrator and Computer) was one of the earliest general-purpose electronic digital computers. The video uses ENIAC as a historical reference point to illustrate the massive advancements in computing power and miniaturization. The script contrasts the ENIAC's size and weight with the capabilities of the Intel 4004 microprocessor.

💡Instruction Execution

Instruction execution refers to the process by which a microprocessor carries out the operations specified by a sequence of instructions. The video promises to explore how a microprocessor executes its instructions in the second part of the series. Although not explicitly detailed in the script, the concept is central to understanding the functionality of microprocessors.

Highlights

Introduction to the second section on microprocessor architecture and its function.

The central electronic component behind computers and smartphones is the microprocessor.

The ENIAC was the first fully electronic computer, using vacuum tubes, created in 1945.

Transistors replaced vacuum tubes in 1955, making computers smaller, more reliable, and energy-efficient.

The microprocessor revolutionized computer production in the early 1970s with integrated circuits.

Jack Kilby created the first integrated circuit in 1958 by manually wiring several transistors.

The Intel 4004, released in 1971, was the first commercial microprocessor with 2300 transistors.

The Intel 4004 could perform 92,600 operations per second at a frequency of 740 kHz.

Modern electronic devices all contain integrated circuits since the 1970s.

Moore's Law indicates that the number of transistors doubles every two years.

The Intel i9 11900k, a recent microprocessor, contains 17 billion transistors.

Transistor miniaturization has reached below 10 nanometers, approaching the size of atoms.

Microprocessors operate using machine language, which is binary.

Binary language is translated into more accessible formats like ASCII for easier communication.

A transistor has three pins: drain, source, and gate, acting as an electrical switch.

There are two types of transistors: NMOS and PMOS, which allow current flow differently.

Transistors are combined to form logic gates, which enable calculations.

Logic gates like AND and OR are fundamental to microprocessor architecture.

The video concludes with a teaser for the second part, which will explain microprocessor instruction execution.

Transcripts

play00:00

[Musique]

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bonjour bienvenue dans cette vidéo qui

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constitue la suite de la séquence 3

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intitulée architecture matérielle et

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logiciel des ordinateurs dans cette

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vidéo je vais présenter le deuxème grain

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ou la deuxème section intitulée

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architecture du

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microprocesseur si vous visionnez cette

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vidéo c'est que vous êtes probablement

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sur votre ordinateur ou votre smartphone

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comme vous le savez ces dispositifs ont

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bouleversé notre existence mais ça

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savez-vous quel est le composant

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électronique central qui se cache

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derrière ces machines et qui permet leur

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fonctionnement dans cette vidéo nous

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découvrirons l'architecture du

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microprocesseur ainsi que son

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fonctionnement nous avons vu dans une

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séquence précédente qu'en 1945 fut créé

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le premier ordinateur entièrement

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électronique du nom denniac fonctionnant

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avec des tubes à vide le problème était

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que ces tubes n'étit pas FiBL en 1955

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les choses vont changer avec l'invention

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du transistor le tradic pour transistor

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digital computer qui sera le premier

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ordinateur à transistor en effet ces

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derniers sont des composants

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électroniques à semi-conducteur qui sont

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beaucoup plus petit plus fiable et qui

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consomme moins d'énergie mais la grande

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révolution se produira au début des

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années 70 avec l'apparition de

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microprocesseur qui représente un

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circuit intégré fruit de la

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miniaturisation des composants

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électroniques sur une plaque de silicium

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de quelques centimètres Carr ce

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composant électronique a bouleversé la

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production des ordinateurs en réduisant

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le coût énergétique en diminuant le coût

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de fabrication et surtout en augmentant

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la vitesse du calcul à l'origine le

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circuit intégré a été créé en 1958 58

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par Jack Kilby cet ingénieur en

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électronique avait pu câbler à la main

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plusieurs transistors permettant de

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réaliser des mémoires et des unités

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logiques et arithmétiques en 1969

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martien off et fréériicangin ont inventé

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le premier microprocesseur que Intel

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commercialiste 2 ans plus tard sous le

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nom d'Intel 4004 il contenait 2300

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transistors et pouvait réaliser 92600

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opérations par seconde à une fréquence

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de 740 kHz sa performance était

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comparable à l'ordinateur ENAC qui

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occupait 67 m² pour un poids de 30

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tonnes aujourd'hui tous nos appareils

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électroniques disposent de tels circuits

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intégrés depuis les années 70 le nombre

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de transistors n'a cessé d'augmenter

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dans les microprocesseurs la loi de

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Moore nous indique que le nombre de

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transistors doublerait tous les 2 ans

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par exemple en 1970 le microprocesseur

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Intel 4004 comprenait 2300 transistors

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alors que le plus récent microprocesseur

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d'Intel le i9 11 900k comprend 17

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milliards de transistors en effet nous

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avons tellement miniaturisé les

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transistors que leur finesse de gravure

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est passée en dessous des 10y nanomètres

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et qu'elle s'approche de nos jours de la

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taille des des atomes ceci dit comment

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alors fonctionne un microprocesseur il

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faut savoir que le microprocesseur ne

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comprend que le langage machine qui est

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le langage binaire en réalité il s'agit

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de signaux électriques capte le

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microprocesseur le 1 veut dire qu'il y a

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passage du courant et Z0 non mais il

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n'est pas pratique de communiquer avec

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le microprocesseur en utilisant le

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langage binaire pour remédier à ce

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problème les scientifiques ont traduit

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le langage binaire en créant la table à

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ski par exemple la lettre A se traduit

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par une suite de é0 et de 1 la même

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chose pour la lettre B la phrase Hello

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World et oui ça fait beaucoup de

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zéro grâce à cette table la

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communication était devenue plus simple

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quant à l'architecture du

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processeur nous ne pouvons l'aborder que

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si l'on aborde en premier lieu

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l'architecture du transistor car en

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effet un microprocesseur est un

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agencement de transistor le transistor

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se compose de trois broches le drain

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la source et la grille il se comporte

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comme un interrupteur électrique

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commandé par la grille il existe deux

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types le NMOS qui laisse le courant en

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sortie si la grille est alimentée et le

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PMOS qui effectue l'inverse du NMOS la

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combinaison de ces transistor permet de

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former des portes logiques et c'est

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grâce à ces portes logiques qu'on peut

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effectuer des calculs par exemple la

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porte e qui prend en sortie la valeur 1

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si seulement les deux entrées valent 1

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si l'une des deux entrées vaut zéro

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alors la sortie vaudra zéro quant à la

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porte ou qui est légèrement différente

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de la porte e elle prend la valeur 1 si

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l'une des entrées vaut 1 il existe bien

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sûr d'autres portes la combinaison de

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ces portes forme l'architecture du

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microprocesseur nous sommes arrivés à la

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fin de la première partie de cette

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section je vous donne rendez-vous pour

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la deuxième partie dans laquelle on

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découvrira comment le microprocesseur

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exécute ses instructions merci à

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[Musique]

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Related Tags
Microprocessor ArchitectureComputer HardwareTech HistoryTransistor InventionIntegrated CircuitsIntel 4004Moore's LawBinary LanguageLogic GatesTech Education