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 8 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 1 0 12345678910111213141516171819202122232425 7-sinf Informatika №9 1-chorak uchun 9-dars. NAZORAT ISH 1 / 25 1. Uzlukli axborot yana qanday nomlanadi? A) Raqamli B) Analog 2 / 25 2. Axborotlani kritish qurilmalari to’g’ri ko’rsatilgan javobni tanlang. A) Printer, Web kamera, Skaner, ovoz kuchaytirgich B) Web kamera, monitor, ovoz kuchaytirgich C) Skaner, mikrafon, klaviatura D) Printer, klaviatura, monitor, quloqchin 3 / 25 3. Quyidagi rasmda matnli axborot to'g'ri ko'rsatilgan javobni tanlang. A) 3 B) 4 C) 2 D) 1 4 / 25 4. Pozitsiyali bo‘lmagan sanoq sistemalari to’g’ri ko’rsatilgan javobni toping. A) Ikkilik sanoq sistemasi B) Misr o‘nlik sanoq sistemasi C) O‘n oltilik sanoq sistemasi D) O‘nlik sanoq sistemasi 5 / 25 5. 0, 1, ushbu raqamlar qanday sanoq sistemasi alifbosi elementlari? A) O’nlik B) Ikkilik C) To’qqizlik D) Beshlik 6 / 25 6. Quyidagi sonni ixcham ko‘rinishda yozing: 4 ∙ 16² + 11 ∙ 16¹ + 1 ∙ 16⁰ A) 4111₈ B) 4B1₁₀ C) 4B1₁₆ D) 4111₁₆ 7 / 25 7. O‘tkazishlarni bajaring: 10110111₂ = ?₁₀ A) 183 B) 153 C) 383 D) 283 8 / 25 8. 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) 15 C) 10 D) 13 9 / 25 9. Sinfda 12₁₆ nafar qiz bola bor. Ular jami o‘quvchilarning 140₆ % ini tashkil etsa, jami o‘quvchilar sonini ikkilik sanoq sistemasida hisoblang. A) 10010 B) 1110 C) 11110 D) 111 10 / 25 10. Hisoblang: 578₁₂ ∙ 11₂ – 354₇=?₁₀ A) 2650 B) 1250 C) 2250 D) 2260 11 / 25 11. Amalni bajaring: 101₂ ∙ 10₂=?₄ A) 23 B) 10 C) 22 D) 1010 12 / 25 12. Ikkilik sanoq sistemasida amalni bajaring: 110₂+101₂=?₂ A) 1010 B) 1001 C) 1111 D) 1011 13 / 25 13. Kompyuter xotirasida bitta katakni egallagan jon nima deb yuritiladi? A) Bit B) Kbayt C) Mbayt D) Bayt 14 / 25 14. 26 Gb = ? Mb A) 2∙2²⁰ B) 26∙2¹⁰ C) 26∙2¹³ D) 2600 15 / 25 15. 1 bit/sek qaysi javobga teng? A) 1 bps B) 1 bayt/sek C) 1 Kbit/sek D) 1 Kbayt/sek 16 / 25 16. ASCII kenkaytmasini toping. A) American Standard Config for Information Interchange B) Amsterdam Standard Code for Interchange Information C) American Stand Code for Information Interchange D) American Standard Code for Information Interchange 17 / 25 17. Unicode jadvali har bir belgi xotiradan necha bayt joyni egallaydi. A) 4 B) 2 C) 8 D) 1 18 / 25 18. Unicode jadvalida belgilar nechchilik sanoq sistemasidagi kodlanadi? A) 8 B) 16 C) 10 D) 2 19 / 25 19. Ikkilik kodlangan quyidagi kod qaysi rang? 100 A) Oq B) Qizil C) Qirmizi D) Sariq 20 / 25 20. O‘lchamlari 1280 x 720 ga teng bo‘lgan tasvir 16 777 216 xil rang bilan ifodalangan. Tasvirning axborot hajmini aniqlang. Axborot uzatish tezligi 30 Mbit/sekund bo‘lsa, tasvir qancha vaqt davomida uzatilishini aniqlang. A) 2,18 sek B) 3 sek C) 1 sek D) 1,28 sek 21 / 25 21. Ikkilik kodlangan quyidagi kod qaysi rang? 010 A) Ko‘k B) Yashil C) Havorang D) Qora 22 / 25 22. 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) 3,64 Mb C) 2,64 Mb D) 1,84 Mb 23 / 25 23. 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) 2,87 Gb C) 6,87 Gb D) 12,87 Gb 24 / 25 24. Ovoz balandligi qanday o’lchanadi? A) DB B) KHz C) DDI D) minut 25 / 25 25. Ovozli axborotlarni qaysi axborot turiga mansub? A) Diskret B) Analog 0% Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz
