NSI Flashcards

1
Q

Complexite dichotomie

A

log2(n)

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2
Q

Complex tri fusion

A

nlog(n)

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3
Q

Complex tri insertion

A

n^2

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4
Q

Complex tri selection

A

n^2

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5
Q

Complex tri rapide

A

nlog(n)

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6
Q

Dichotomie

A

moyenne et on regarde si < ou >

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7
Q

tri fusion

A

separas la lista y la vuelves a juntar ordenada es como un arbol

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8
Q

Tri insertion

A

compara td la lista (el ams intuitivo)

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9
Q

Tri selection

A

encontrar min o max

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10
Q

Parcours en largeur

A

en S

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11
Q

Parcours en profondeur

A

prefixe infixe et sufixe

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12
Q

Recherche en arbre si trié

A

log2(n)

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13
Q

Recherche en arbre non trié

A

n

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14
Q

Un processus informatique peut être

A

elu, pret ou bloqué

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15
Q

Que arrete un processus

A

kill

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16
Q

ACID

A

Atomicité, Consistency, Isolation, Durability

17
Q

Juntar dos base de données

A

JOIN (ñableau as ñ) ON t.attribut = ñ.attribut

18
Q

meter elementos a una base de d

A

INSERT INTO (tableau(algo,algo,algo)) VALUES (algo,algo,algo)

19
Q

cambiar un elemento

A

UPDATE tableau
SET (attribut = …) WHERE (condition)

20
Q

cle primaire

A

subrayar

21
Q

cle etrangere

A

#

22
Q

texte fixe de t characteres

A

CHAR(t)

23
Q

Texte de t caractères variables

A

VARCHAR(t)

24
Q

Texte sans caractères máx

A

TEXT

25
Q

Nombre entier

A

INT

26
Q

sejour

A

depuis quil arrive jusqua quil part

27
Q

attente

A

depuis quil arrive jusqua quil commence

28
Q

c’est quoi un processus

A

ensemble d’instructions

29
Q

quest qu masque

A

um masque de sous reseaux peut etre de dif longeurs et tous les ip des machines de ce reseau doivent avoir un orefixe commun

30
Q

ram

A

random access memory

31
Q

rom

A

read only memory

32
Q

giga bits et megabits

A

10^9 10^6

33
Q

avec n bits on peut avoir

A

2^n adresses

34
Q

IPv4 IPv6 adresses

A

2^32 2^128

35
Q

siempre en machines 256-2 el 0 y el 256 no se utiliza

A

ns

36
Q

comment revenir en arriere en terminal

A
37
Q

code xor c’est quoi

A

cle privé compartida desde antes