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9-sinf Informatika olimpiada

InfoMaster

May 31, 2022

3442 Ko'rishlar 1 izoh

SaqlashSaqlanganOlib tashlandi 9

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9-sinf Informatika olimpiada

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1. from math import *
a=144 s=sqrt(a)-pow(8,1)
print(s)
dastur natijasini toping

A) 5

B) 7

C) 6

D) 4

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2. from math import *
a=16 s=sqrt(a)*pow(2,2)
print(s) dastur natijasini toping

A) 15

B) 13

C) 14

D) 16

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3. from math import *
a=225 s=sqrt(a)-pow(15 , 2)
print(s) dastur natijasini toping

A) -210

B) 200

C) -100

D) 110

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4. radians(x) funksiyaning vazifasini toping

A) x ning tangensini hisoblaydi

B) x ning arkkosinusini hisoblaydi

C) radiandan gradusga o‘tkazadi

D) gradusdan radianga o‘tkazadi

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5. asin(x) funksiyaning vazifasini toping

A) x ning arktangensini hisoblaydi

B) x ning tangensini hisoblaydi

C) x ning arkkosinusini hisoblaydi

D) x ning arksinusini hisoblaydi

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6. Pythonda takrorlanishlar soni nomaʼlum bo‘lganda qo'llaniladigan operator qaysi?

A) repeat

B) for

C) while

D) while..do

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7. F(n) funksiyasi qiymatini hisoblash algoritmi quyidagicha berilgan:
n ≤2 da F(n) = 3; n> 2 da F(n) = 5 ∙ F(n−1) –4 ∙ F(n−2), buyerda n – natural son. F(15) ning qiymatini aniqlang.

A) 2

B) 3

C) 5

D) 4

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8. Brauzerda “a⁷” yozuvini aks ettirish uchun teglar to‘g‘ri berilgan javobni ko‘rsating.

A) a₇

B) a⁷

C) a7

D) a7

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9. MS Excel. A1=57, Bl=114, Cl=4, A2=228, B2=285, C2=Avtomexanik berilgan bo‘lsa, =ПСТР(С2;5+СЧЁТЕСЛИ(А1:B2; ”>56”);C1) formula qiymatini toping.

A) exanik

B) mex

C) anik

D) Avtom

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10. MS Excel. Al=8, A2=- 7, B1=-19, B2=13, Cl=Informatika, C2=Universitet, Dl=ABS($Al+Bl)+ ДЛСТР (Cl) berilgan. Agar D1 katakni D2 katakka nusxalansa, D1 va D2 kataklarida hosil bo’ladigan sonlar yig‘indisini toping.

A) 35

B) 39

C) 55

D) 49

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11. MS Excel. A1=–3, B1=7, B2=2 bo‘lsin. Quyidagi formula natijasi –15 bo‘lishi uchun A2 katakka kiritish zarur bo‘lgan qiymatni aniqlang:

=ЕСЛИ(ИЛИ(A1+B2>=A2*B1;A1*B1>0);A1*B2–B1–A2;A1*B1+B2+A2)

A) 2

B) 4

C) 1

D) 6

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12. 7 ta pozitsiyada 0 va 1 orqali kodlash mumkin bo‘lgan eng katta natural son bilan eng kichik natural sonlarning yig‘indisini toping.

A) 128

B) 64

C) 256

D) 512

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13. А, B, C, D harflarni kodlash uchun ikki razryadli ketma-ket ikkilik sonlari qo‘llandi (mos ravishda, 00 dan 11 gacha). Agar shu usulda DBCA belgilar ketma-ketligi kodlansa va natija o‘n oltilik kodda yozilsa, u holda … hosil bo‘ladi.

A) D8

B) 138

C) DBCA

D) 3120

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14. C˄˥A˅B mantiqiy ifodaga teng kuchli ifodani toping.

A) ˥C˅A˅B

B) ˥(˥C˅A)˅B

C) ˥(C˅A)˅˥B

D) ˥(C˅A)˅B

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15. Quyidagi mantiqiy ifodaga teng kuchli ifodani toping. ˥A˄˥(B˅˥C)

A) A˅(B˅˥C)

B) A˄˥B

C) ˥A˄˥(B˄C)

D) ˥A˄˥B˄C

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16. 54 sahifadan iborat axborot bor. Har bir sahifada 96 ta satr, har bir satrda 64 tadan belgi bor. Axborot hajmini bit o‘lchov birligidagi qiymatining kilobayt o‘lchov birligidagi qiymatiga nisbatini topib, natijani 12 lik sanoq sistemasida aniqlang?

A) 48108

B) 29B

C) 8192

D) 48A8

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17. Kompyuterga dasturiy ta’minotni o‘rnatish jarayoni ............... deyiladi.

A) installyatsiya

B) deinstallyatsiya

C) defragmentatsiya

D) arxivlash

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18. “CHEVROLET” so‘zi harflarini kodlash uchun eng kam bit talab etiladigan ikkilikda tekis kodlash usulidan foydalanilgan. Shu bilan birga, ikkilikdagi kodlar o‘sib borish tartibi ingliz alifbosi harflarining o‘sish tartibiga moslashtirilgan. R harfi kodini toping.

A) 100

B) 101

C) 011

D) 110

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19. Python dastur lavhasi bajarilgach butun qiymatli a va b o‘zgaruvchilar qiymatini aniqlang:
a= 1511
b= (a % 100)*10+9
a= (10*b+a) // 100
print(a,b)

A) a=37, b=119

B) a=27, b=119

C) a=119, b=27

D) a=27, b=19

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20. A1=-7, B1=8, B2=4 bo‘lsin. Quyidagi formula natijasi -23 ga teng bo‘lishi uchun A2 katakka kiritilishi kerak bo‘lgan qiymatni aniqlang.

=ЕСЛИ(ИЛИ(A1+B2<=A2*B1; A1*B1>0); A1*B2+B1-A2; A1*B1+B2+A2)

A) 1

B) 3

C) 5

D) 0

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