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10-sinf Informatika olimpiada

InfoMaster

May 31, 2022

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10-sinf Informatika olimpiada

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1. pow(x, n) funksiyaning vazifasini toping

A) x sonining o‘nli logarifmini hisoblaydi

B) x ning kvadrat ildizini hisoblaydi

C) x ning ndarajasini hisoblaydi

D) b asosga ko‘ra a logarifmini hisoblaydi

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2. acos(x) funksiyaning vazifasini toping

A) x ning arksinusini hisoblaydi

B) x ning arkkosinusini hisoblaydi

C) x ning arktangensini hisoblaydi

D) x ning tangensini hisoblaydi

3 / 25

3. from math import *
s=sqrt(36/49)-pow(5/7,2)
print(s) dastur natijasini toping

A) 17/49

B) 34/49

C) 26/49

D) 24/49

4 / 25

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

A) 200

B) -100

C) 110

D) -210

5 / 25

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

A) 5

B) 6

C) 4

D) 7

6 / 25

6. radians(x) funksiyaning vazifasini toping

A) radiandan gradusga o‘tkazadi

B) x ning tangensini hisoblaydi

C) x ning arkkosinusini hisoblaydi

D) gradusdan radianga o‘tkazadi

7 / 25

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

A) 13

B) 16

C) 15

D) 14

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8. Интернет tarmog`ida real vaqtda axborotlar almshish xizmati qanday ataladi?

A) Прокси

B) Форум

C) Электрон почта

D) Чат

9 / 25

9. Sakkizlik sanoq sistemasida yozilgan A=1024757520₈, B=1232400565₈sonlar berilgan. А xor B amali natijasini 16 lik sanoq sistemasida aniqlang.

A) 9BD00AD

B) 239DE25

C) 23AD025

D) 9ADA00B

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10. Microsoft Excel dasturida qaysi funksiya mantiqiy hisoblanadi?

A) СУММ

B) МАХ

C) СРЗНАЧ

D) ЕСЛИ

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11. Qaysi javobda mantiqiy ayniyat ko’rsatilgan?

A) not(A or B) = not(A) and not(B)

B) Barcha javoblar to’g’ri

C) not(A and B) = not(A) or not(B)

D) A and (B or C) = (A and B) or (A and C)

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12. O`n oltilik sanoq sistemasida berilgan 36F va AA sonlarining ayirmasini hisoblang.

A) 2C5

B) 2F5

C) 1C8

D) EC5

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13. 4 lik sanoq sistemasidagi 0.232 kasrni 7 lik sanoq sistemasiga o'tkazing.

A) 0.(265714)

B) 0.(5013)

C) 0.1(42)

D) 0.(451)

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14. MS Access. Ma`lumot turi Pullik(денежный) bo`lsa, kiritilgan qiymatni butun nuqtasidan o`ng tomonda nechta raqam saqlanadi?

A) 14

B) 18

C) 4

D) 12

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15. 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) 29B

B) 8192

C) 48108

D) 48A8

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16. 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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17. MS Excel. Quyidagi formula natijasini aniqlang: =КОРЕНЬ(НОК(60;45;80)+ДЛСТР(ПРАВСИМВ("texnologiyalar";9)))

A) 27

B) 18

C) 9

D) 16

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18. 12 lik sanoq sistemasidagi 6B5,A sonni, 6 lik sanoq sistemasidagi 425,2 soniga yig‘indisini toping. Natijani 8 lik sanoq sistemasida tasvirlang?

A) 2113,115

B) 25632

C) 2233,125

D) 2213,125

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19. 7 ta pozitsiyada 0 va 1 orqali kodlash mumkin bo‘lgan eng katta natural son bilan eng kichik natural sonlarning yig‘indisini toping.

A) 256

B) 512

C) 64

D) 128

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20. 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=119, b=27

C) a=27, b=19

D) a=27, b=119

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21. 516 va 457 sonlar yig‘indisidan 366 sonini ayirmasi hisoblanganda, 607soni hosil bo‘ldi. Yig‘indi qaysi sanoq sistemasida bajarilgan?

A) 9

B) 10

C) 8

D) 12

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22. Bir kitobda 500 ta sahifa bo‘lib, har bir sahifa 35 ta satr, har bir satresa 60 ta belgidan iborat bo‘lsa, kitobda axborot hajmining bit ko‘rinishdagi qiymatini 800 marta kamaytirgandagi qiymati?

A) 10550

B) 10505

C) 1050

D) 10500

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23. 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) 5

B) 4

C) 3

D) 2

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24. MS Excelda B2=7 ga, D5= -3 bo`lganda. Quyidagi formula natijasinianiqlang: =ЕСЛИ(D5>B2;ДЛСТР(ЗАМЕНИТЬ("Olimpiada";2;5;"sam"));СЧЁТЕСЛИ(A1:E6;""))

A) 0

B) 7

C) 28

D) 5

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