Uy » Mavzulatshitilgan testlar » Informatika mavzulashtirilgan » 7-sinf Informatika » 7-sinf Informatika №9 1-chorak uchun 7-sinf InformatikaInformatika choraklik 7-sinf Informatika №9 1-chorak uchun InfoMaster Noyabr 3, 2022 37 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 10 12345678910111213141516171819202122232425 7-sinf Informatika №9 1-chorak uchun 9-dars. NAZORAT ISH 1 / 25 1. Axborotlani kritish qurilmalari to’g’ri ko’rsatilgan javobni tanlang. A) Skaner, mikrafon, klaviatura B) Printer, klaviatura, monitor, quloqchin C) Web kamera, monitor, ovoz kuchaytirgich D) Printer, Web kamera, Skaner, ovoz kuchaytirgich 2 / 25 2. Qaysi grafik uzluksiz axborotga misol bo’la oladi? A) 1 B) 2 3 / 25 3. Quyidagi rasmda Videoaxborot axborot to'g'ri ko'rsatilgan javobni tanlang. A) 3 B) 5 C) 4 D) 2 4 / 25 4. Beshlik sanoq sistemasining raqamlarni toping. A) 0, 1, 2, 3, 4, 5, 6, 7 B) 0, 1, 2, 3, 4, 5 C) 0, 1, 2, 3, 4 D) 0, 1, 2, 3, 4, 5, 6, 7, 8 5 / 25 5. Sanoq sistemasi –….Ta’rifni davom ettiring. A) Barcha ta’rif to’g’ri B) sonlarni aniq qoidalar asosida belgilash tizimi. C) raqamlarning berilayotgan sondagi o‘rni. D) sanoq sistemasidagi jami raqamlar soni. 6 / 25 6. Qadimgi Mayya xalqi qanday sanoq sistemasidan foydalangan? A) Ikkilik sanoq sistemasi B) O’nlik sanoq sistemasi C) Beshlik sanoq sistemasi D) Yigirmatalik sanoq sistemasi 7 / 25 7. O‘tkazishlarni bajaring: 10365₁₀ = ? ₁₆ A) 288D B) 28AD C) 287D D) 28BD 8 / 25 8. O‘tkazishlarni bajaring: 11100111₂ = ?₈ A) 357 B) 447 C) 347 D) 345 9 / 25 9. Mening 10₂ nafar akam bor. Katta akam 10001₂ yoshda. Kichik akam 1111₂ yoshda va u 1001₂ sinfda o‘qiydi. Agar men kichik akamdan 10₂ yoshga kichik bo‘lsam, mening yoshimni toping. A) 11 B) 13 C) 10 D) 15 10 / 25 10. Ikkilik sanoq sistemasida amalni bajaring: 1100001₂+1111101₂=?₂ A) 10000101 B) 10010100 C) 10110101 D) 10010101 11 / 25 11. Tenglamani ikkilik sanoq sistemasida yeching. x + 1001 = 10000 A) 111 B) 10 C) 100 D) 110 12 / 25 12. Hisoblang: 1111₂ + 246₈ + 8D₁₆=?₁₆ A) E8 B) 142 C) 152 D) 163 13 / 25 13. 64 Gb = ? bayt; A) 2²⁶ B) 2³⁶ C) 2¹⁶ D) 2²⁰ 14 / 25 14. 128 Mb = ? Gb A) 0.5 B) 7 C) 128∙2¹⁰ D) 1-Aug 15 / 25 15. Soniyada uzatiladigan bitlar soni nima deb yuritiladi? A) binary rate B) binary digit C) bit rate D) bit range 16 / 25 16. Unicode jadvali kodning uzunligi nechaga bitga teng A) 4 B) 256 C) 16 D) 8 17 / 25 17. ASCII jadvali kodning uzunligi nechaga bitga teng A) 4 B) 256 C) 2 D) 8 18 / 25 18. ASCII kenkaytmasini toping. A) Amsterdam Standard Code for Interchange Information B) American Standard Config for Information Interchange C) American Stand Code for Information Interchange D) American Standard Code for Information Interchange 19 / 25 19. Ikkilik kodlangan quyidagi kod qaysi rang? 101 A) Qizil B) Oq C) Qirmizi D) Sariq 20 / 25 20. Quyidagi formatlardan qaysi rastrli tasvir ko‘rinishidagi fayl? A) „JPEG“ B) „BMP“ C) „PNG“ D) „GIF“ 21 / 25 21. Ikkilik kodlangan quyidagi kod qaysi rang? 001 A) Havorang B) Ko‘k C) Qora D) Yashil 22 / 25 22. O‘lchami 1280 × 720 ga teng, 65 536 ta rang ishtirok etgan videofaylning kadrlar almashish chastotasi 25 Hz ga teng. Agar videofayl davomiyligi 5 minutga teng bo‘lsa, videofayl axborot hajmini aniqlang. A) 1,87 Gb B) 6,87 Gb C) 2,87 Gb D) 12,87 Gb 23 / 25 23. Audiofayl yozilish jarayonida kodning uzunligi 16 bitga, bir sekunddagi chastota 48 000 Hz ga teng. Audiofaylning davomiyligi 3 minutga teng bo‘lsa, uning hajmini hisoblang. A) 1,64 Mb B) 1,84 Mb C) 2,64 Mb D) 3,64 Mb 24 / 25 24. O‘lchamlari 768 × 484 ga teng, 1024 ta rang ishtirok etgan videofaylning kadrlar almashish chastotasi 30 Hz ga teng. Agar videofaylning davomiyligi 2 daqiqaga teng bo‘lsa, videofayl axborot hajmini aniqlang A) 3,16 Gb B) 3,56 Gb C) 4,66 Gb D) 1,56 Gb 25 / 25 25. ADC qurilmasining vazifalari nimalardan iborat? A) raqamli axborotlarni analog signallarga o‘tkazuvchi qurilma B) analog signallarni raqamli ko‘rinishga o‘tkazuvchi qurilma 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
