{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Exercice 1 :\n",
    "\n",
    "\n",
    "<img src=\"https://ericecmorlaix.github.io/img/Stepper-Correspondance-Complet.svg\" alt=\"Tableau de correspondance entre bases\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Exercice 2 :"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "21"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "int(0b10101)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "91"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "int(0x5b)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Exercice 3 :"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'0b11010000'"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bin(208)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'0b11111110000'"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bin(0x7F0)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Exercice 4 :"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'0x48f7'"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "hex(0b100100011110111)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'0x8e'"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "hex(142)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Exercice 5 :"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "a) `00100100` ;\n",
    "\n",
    "b) C'est un nombre binaire de huit bits soit un octet ;\n",
    "\n",
    "c) $2^8 = 256$ de 00000000 à 11111111 c'est à dire de 0 à 255 ;\n",
    "\n",
    "d)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "36"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "int(0b00100100)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'0x24'"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "hex(0b00100100)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'$'"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "chr(0b00100100)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "e)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      " 0x54 0x75 0x65 0x72 0x20 0x6c 0x65 0x73 0x20 0x68 0x75 0x6d 0x61 0x69 0x6e 0x73 0x20 0x73 0x61 0x75 0x66 0x20 0x46 0x72 0x79\n"
     ]
    }
   ],
   "source": [
    "message = \"Tuer les humains sauf Fry\"\n",
    "trame_hex = \"\"\n",
    "for lettre in message :\n",
    "    trame_hex = trame_hex + \" \" + hex(ord(lettre))\n",
    "print(trame_hex)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "f)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      " 0x53 0x49 0x2c 0x20 0x63 0x6f 0x6f 0x6c 0x21\n",
      " 0b1010011 0b1001001 0b101100 0b100000 0b1100011 0b1101111 0b1101111 0b1101100 0b100001\n"
     ]
    }
   ],
   "source": [
    "message = \"SI, cool!\" \n",
    "trame_bin = \"\"\n",
    "trame_hex = \"\"\n",
    "for lettre in message :\n",
    "    trame_hex = trame_hex + \" \" + hex(ord(lettre))\n",
    "    trame_bin = trame_bin + \" \" + bin(ord(lettre))\n",
    "print(trame_hex)\n",
    "print(trame_bin)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "g) + 32 en décimal, + 20 en hexadécimal, + 00100000 en binaire"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "65"
      ]
     },
     "execution_count": 27,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ord(\"A\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "97"
      ]
     },
     "execution_count": 28,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "ord(\"a\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Exercice 6 :"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'0b11101100'"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "bin(0b10111111+0b00101101)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'0xd1e'"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "hex(0x1cd+0xb51)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Pour aller plus loin :\n",
    "\n",
    "- Savoir lire l'heure sur des montres binaires : [https://fr.wikihow.com/lire-une-horloge-%C3%A0-affichage-binaire](https://fr.wikihow.com/lire-une-horloge-%C3%A0-affichage-binaire) ;\n",
    "\n",
    "- Apprendre à compter comme les Shadock : [https://youtu.be/lP9PaDs2xgQ](https://youtu.be/lP9PaDs2xgQ) ;"
   ]
  }
 ],
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