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 71 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 1 12345678910111213141516171819202122232425 7-sinf Informatika №9 1-chorak uchun 9-dars. NAZORAT ISH 1 / 25 1. Quyidagi rasmda Audioaxborot to'g'ri ko'rsatilgan javobni tanlang. A) 3 B) 5 C) 4 D) 2 2 / 25 2. Quyidagi rasmda matnli axborot to'g'ri ko'rsatilgan javobni tanlang. A) 3 B) 1 C) 4 D) 2 3 / 25 3. Kompyuterda axborotni qanday tasvirlash shakllari bor? A) Qiqizarli, sonli, grafik, ovozli (audio), video B) Matnli, sonli, grafik, rangli, video C) Matnli, sonli, grafik, ovozli (audio), video D) Matnli, qiziqarli, rangli, video 4 / 25 4. O‘nlik sanoq sistemasidagi 4 xonali eng katta sonni toping. A) 1111 B) 9999 C) 1000 D) 9000 5 / 25 5. Quyidagi sonni ixcham ko‘rinishda yozing: 5 ∙ 12² A) 5₁₀ B) 500₁₀ C) 50₁₂ D) 500₁₂ 6 / 25 6. Pozitsiyali bo‘lmagan sanoq sistemalari to’g’ri ko’rsatilgan javobni toping. A) Ikkilik sanoq sistemasi B) O‘nlik sanoq sistemasi C) O‘n oltilik sanoq sistemasi D) Rim raqamlari. 7 / 25 7. O‘tkazishlarni bajaring: 1542₆ = ?₁₁ A) 354 B) 453 C) 454 D) 355 8 / 25 8. O‘tkazishlarni bajaring: 110100001₂ = ?₄ A) 12211 B) 12201 C) 12101 D) 11201 9 / 25 9. O‘tkazishlarni bajaring: 2031₄ = ? ₂ A) 10001001 B) 11001101 C) 10001111 D) 10001101 10 / 25 10. Ikkilik sanoq sistemasida amalni bajaring: 1111011₂+110₂=?₂ A) 10000011 B) 1000001 C) 11100001 D) 10000001 11 / 25 11. Ikkilik sanoq sistemasida amalni bajaring: 1001₂ – 111₂=?₂ A) 11 B) 10 C) 1 12 / 25 12. Hisoblang: 61₈ + E9₁₅ – 10011₄=?₂ A) 100 B) 111 C) 10 D) 101 13 / 25 13. 1 kilobayt (Kb) necha bayt? A) 2²⁰ B) 2²² C) 2¹⁰ D) 2²³ 14 / 25 14. 1 bps qaysi javobga teng? A) 1 bayt/sek B) 1 Kbayt/sek C) 1 bit/sek; D) 1 Kbit/sek 15 / 25 15. 64 Gb = ? bayt; A) 2²⁶ B) 2³⁶ C) 2²⁰ D) 2¹⁶ 16 / 25 16. Unicode jadvalida belgilar 16 lik sanoq sistemasidagi nechta raqam orqali kodlanadi. A) 4 B) 2 C) 8 D) 16 17 / 25 17. ASCII jadvalida kodlangan matnli faylda 16 ta sahifa bo‘lib, har bir sahifa 30 ta satrdan, har bir satr esa 64 ta belgidan iborat bo‘lsa, kitobning axborot hajmini hisoblang. A) 28 Kb B) 30 Kb C) 32 Kb D) 31 Kb 18 / 25 18. Unicode jadvali kodning uzunligi nechaga bitga teng A) 16 B) 256 C) 4 D) 8 19 / 25 19. Odatda, 1 dyuym uchun qancha piksel olinadi? A) 1000–1500 B) 320–550 C) 250–850 D) 150–350 20 / 25 20. DPI qisqartma so’zining kengaytmasi toping. A) dots peter inch B) dots per inch C) dots per inchin D) dok per inch 21 / 25 21. Monitor ekranida rangli tasvirlar asosiy qaysi ranglar yordamida hosil qilinadi? A) qizil, oq va ko‘k B) sariq, yashil va ko‘k C) qizil, yashil va ko‘k D) qizil, yashil va qora 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) 2,87 Gb B) 12,87 Gb C) 1,87 Gb D) 6,87 Gb 23 / 25 23. Ovozli axborotlarni qaysi axborot turiga mansub? A) Diskret B) Analog 24 / 25 24. 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) 1,84 Mb B) 3,64 Mb C) 2,64 Mb D) 1,64 Mb 25 / 25 25. 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) 1,56 Gb B) 3,56 Gb C) 4,66 Gb D) 3,16 Gb 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
