Quiz — 68232c00918f9_Cours Systéme de numération-Img (1).pdf

Question 1 sur 10 20:00

[{"id":53217,"question":"Quel est le symbole utilisé dans le système binaire pour représenter les nombres ?","option_a":"0 et 1","option_b":"0 à 9","option_c":"A à F","option_d":"1 à 10","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le système binaire utilise uniquement les chiffres 0 et 1 pour représenter les nombres.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"0 et 1\", \"b\": \"0 à 9\", \"c\": \"A à F\", \"d\": \"1 à 10\"}}","_debug_options_count":4},{"id":53218,"question":"Vrai ou Faux : Le système hexadécimal utilise 16 symboles pour représenter les nombres.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le système hexadécimal utilise 16 symboles : 0 à 9 et A à F.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":53219,"question":"Quel est le nombre binaire 1010 en décimal ?","option_a":"8","option_b":"10","option_c":"12","option_d":"14","option_e":"","option_f":"","bonne_reponse":"b","explication":"1010 en binaire = (1×2³) + (0×2²) + (1×2¹) + (0×2⁰) = 8 + 0 + 2 + 0 = 10 en décimal.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"8\", \"b\": \"10\", \"c\": \"12\", \"d\": \"14\"}}","_debug_options_count":4},{"id":53220,"question":"Comment s'écrit le nombre décimal 25 en binaire ?","option_a":"11001","option_b":"10101","option_c":"11101","option_d":"10011","option_e":"","option_f":"","bonne_reponse":"b","explication":"25 en décimal = 16 + 8 + 0 + 1 = 11001 en binaire (1×2⁴ + 0×2³ + 1×2² + 0×2¹ + 1×2⁰).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"11001\", \"b\": \"10101\", \"c\": \"11101\", \"d\": \"10011\"}}","_debug_options_count":4},{"id":53221,"question":"Vrai ou Faux : Le système hexadécimal est utilisé pour représenter les adresses mémoire en informatique.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le système hexadécimal est couramment utilisé pour représenter les adresses mémoire car il est plus compact que le binaire.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":53222,"question":"Quel est le nombre hexadécimal A en décimal ?","option_a":"8","option_b":"10","option_c":"12","option_d":"16","option_e":"","option_f":"","bonne_reponse":"b","explication":"A en hexadécimal = 10 en décimal.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"8\", \"b\": \"10\", \"c\": \"12\", \"d\": \"16\"}}","_debug_options_count":4},{"id":53223,"question":"Comment convertir le nombre binaire 1101 en hexadécimal ?","option_a":"D","option_b":"13","option_c":"1101","option_d":"A","option_e":"","option_f":"","bonne_reponse":"a","explication":"1101 en binaire = 13 en décimal = D en hexadécimal.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"D\", \"b\": \"13\", \"c\": \"1101\", \"d\": \"A\"}}","_debug_options_count":4},{"id":53224,"question":"Vrai ou Faux : Le système décimal utilise 10 symboles pour représenter les nombres.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le système décimal utilise les chiffres de 0 à 9, soit 10 symboles.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":53225,"question":"Quel est le nombre hexadécimal 1F en décimal ?","option_a":"29","option_b":"31","option_c":"30","option_d":"28","option_e":"","option_f":"","bonne_reponse":"c","explication":"1F en hexadécimal = (1×16¹) + (15×16⁰) = 16 + 15 = 31 en décimal.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"29\", \"b\": \"31\", \"c\": \"30\", \"d\": \"28\"}}","_debug_options_count":4},{"id":53226,"question":"Quelle méthode utilise-t-on pour convertir un nombre décimal en hexadécimal ?","option_a":"Diviser par 16 et noter les restes","option_b":"Multiplier par 16","option_c":"Ajouter 16","option_d":"Soustraire 16","option_e":"","option_f":"","bonne_reponse":"a","explication":"Pour convertir un nombre décimal en hexadécimal, on divise le nombre par 16 et on note les restes successifs.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Diviser par 16 et noter les restes\", \"b\": \"Multiplier par 16\", \"c","_debug_options_count":4}]