9- sinf informatika fanidan – Eshdavlatova Gulzoda Ahmad qizining shaxsiy veb sayti

9- sinf informatika fanidan

 

Fan olimpiadasi uchun test topshiriqlari

 

  1. 1110010100111100011111011110010101111101 xabar baytlarda kodlangan. Turli belgilar soni qancha?

A.5             B.6               C.7              D.8

  1. Quyidagi mantiqiy sxema chiqishida qanday qiymat hosil bo’lishini ko’rsating:

 

  1. rost            B. Yolg’on            C. TJY    D.Bilmadim
  2. A=”112=210“, B=”1 bayt=8 bit”, D=”810=10002” bo’lganda A٨ (BvD) ifoda qiymatini hisoblang
  3. rost               B. Yolg’on                C. TJY                  D.Bilmadim
  4. 240 megabayt axborot 8 minutda uzatiladigan bo’lda, axborot uzatish tezligini hisoblang.
  5. 4194304 bod.           B.2097152 bod          C.4184304 bod          D. 4174304 bod

7.Modemlar necha xil bo’ladi?

A.Ichki va tashqi        B.Global va Lokal       C.ichki         D. Tashqi

8.Modemning vazifasi nimadan iborat?

A.Telefon tarmog’i orqali  boshqa kompyuterlar bilan ma’lumot almashish imkonini beradi.

B.Faqat  Internetga  kirish uchun

C.Referatlar yozish uchun

  1. TJY
  2. Word so’zining lug’aviy ma’nosi?

A.Yozuv                 B.Matn                C.So’z             D.Harf

10.Amaliy dasturlar bu…

A.Biror qurilmani boshqarish uchun tuzilgan dastur

B.Foydalanuvchining biror sohasidagi ehtiyojlarini qondirish uchun  yaratilgan dasturlar

C.Dasturlar to’plami                 DTJY

  1. Grafik usulda algoritm bajarganda := belgi qanday vazifani bajaradi?

A.qiymat qabul qilish       B.qiymatni bo’lish        D.qiymatni tenglashtirish

  1. Haqiqiy obyektning izlanish olib borilayotgan sohaning ma’lum talablariga javob beradigan nusxasi….

A.Algoritm          B.Model                    D.Modem              E.TJY

  1. O’rganilayotgan obyekt tavsiflarining matematik munosabatlar, belgilar va bog’lanishlar orqali ifodasi nima deb ataladi?

A.Algoritm            B.Model                     D.Matematik model              E.Abstrak model

  1. Quyida berilgan arifmetik ifodaning Paskal dasturlash tilida ifodalang:
  2. y:=SQRT(x) +(3*x)/2
  3. y=SQR(x) +(3x)/2
  4. y:=SQR(x) +(3*x):2
  5. y:=SQR(x) +(3*x)/2

 

 

 

  1. Paskal dasturida o’zgaruvchilar qanday xizmatchi so’zi bilan boshlanadi?

A.Var            B.begin            D.array              E.interg

 

  1. 1dan 20 gacha juft sonlar yig’indisi hisoblanganda takrorlanish jarayoni necha marta bajariladi?

A.9           B.10                    D.11              E.12

17.Paskal dasturini ishga tushirish qaysi klavishlar yordamida bo’ladi?

A.Alt+x           B.Alt+F4                   D.Ctrl+F9              E.Alt+F9

 

  1. Birinchi mexanik hisoblash mashinasini loyilashtirgan olim ?

_______________________________________________________________________________

 

19.UNIX bu_____________________________________________________________________

_______________________________________________________________________________

 

  1. Paskal tilining buyruq va ko’rsatmalari … deb ataladi?

A.modul        B.graph                    D.system             E.Uses

 

21.. Paskal dasturlash tilida ifodalang.

_______________________________________________________________________________________

 

  1. Paskalda – Integr, Char, String, Boolean maxsus so’zlar qanday qo’llaniladi?

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

________________________________________________________________________________

 

  1. 0,000072 sonini eksponensial ko’rinishda yozing

________________________________________________________________________________

 

  1. Paskal dasturlash tilida o’zgarmas miqdor turlarini keltiring.

________________________________________________________________________________

 

  1. Chiqarish operatori natijasi qanday bo’lishini aniqlang:

a:=123.45

write(`a:=`,a:2:1)

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