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 35 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 10 12345678910111213141516171819202122232425 7-sinf Informatika №9 1-chorak uchun 9-dars. NAZORAT ISH 1 / 25 1. Kompyuterda axborotni qanday tasvirlash shakllari bor? A) Matnli, qiziqarli, rangli, video B) Matnli, sonli, grafik, rangli, video C) Qiqizarli, sonli, grafik, ovozli (audio), video D) Matnli, sonli, grafik, ovozli (audio), video 2 / 25 2. Quyidagi rasmda sonli axborot to'g'ri ko'rsatilgan javobni tanlang. A) 2 B) 1 C) 3 D) 4 3 / 25 3. Quyidagi rasmda matnli axborot to'g'ri ko'rsatilgan javobni tanlang. A) 4 B) 1 C) 2 D) 3 4 / 25 4. Quyidagi sonni ixcham ko‘rinishda yozing: 5 ∙ 12² A) 5₁₀ B) 50₁₂ C) 500₁₂ D) 500₁₀ 5 / 25 5. Pozitsiyali bo‘lmagan sanoq sistemalari to’g’ri ko’rsatilgan javobni toping. A) Ikkilik sanoq sistemasi B) O‘n oltilik sanoq sistemasi C) Misr o‘nlik sanoq sistemasi D) O‘nlik sanoq sistemasi 6 / 25 6. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B; ushbu raqamlar qanday sanoq sistemasi alifbosi elementlari? A) O’n ikkilik B) Oltilik C) To’qqizlik D) O’n oltilik 7 / 25 7. O‘tkazishlarni bajaring:10₁₆ = ?₂ A) 10001 B) 1000 C) 100000 D) 10000 8 / 25 8. O‘tkazishlarni bajaring: 10110111₂ = ?₁₀ A) 183 B) 283 C) 153 D) 383 9 / 25 9. O‘tkazishlarni bajaring: 70135₈ = ?₂ A) 111000001111101 B) 111000001011001 C) 110000001011101 D) 111000001011101 10 / 25 10. Ikkilik sanoq sistemasida amalni bajaring: 10001₂+101₂=?₂ A) 10010 B) 10111 C) 10110 D) 10100 11 / 25 11. O‘nlik sanoq sistemasidagi 0 dan 15 gacha bo‘lgan sonlarni ikkilik sanoq sistemasida ifodalang. Hosil bo‘lgan ikkilik sonlarni ketma-ket yozib chiqing. Jami qancha raqam yozilganini aniqlang. A) 49 B) 45 C) 50 D) 51 12 / 25 12. Ikkilik sanoq sistemasida amalni bajaring: 1101₂ ∙ 111₂-10001₂=?₈ A) 132 B) 222 C) 112 D) 122 13 / 25 13. 6 Kb = ? bit A) 48 B) 49 152 C) 6 144 D) 8 192 14 / 25 14. 1 Mbit/sek qaysi javobga teng? A) 1024 bayt/sek; B) 1024 bit/sek; C) 1024 Kbit/sek; D) 8 bit/sek 15 / 25 15. 2¹⁰ bayt… A) 10 Kb B) 1 Gb C) 1 Kb D) 1024 Kb 16 / 25 16. Ikkilikda berilgan kodlarni ASCII jadvali yordamida belgilarga kodlang: 01000000010110000101101101001101 A) @W[M B) AX[M C) @XZM D) @X[M 17 / 25 17. Unicode jadvali har bir belgi xotiradan necha bayt joyni egallaydi. A) 8 B) 4 C) 1 D) 2 18 / 25 18. ASCII kenkaytmasini toping. A) American Standard Config for Information Interchange B) American Stand Code for Information Interchange C) Amsterdam Standard Code for Interchange Information D) American Standard Code for Information Interchange 19 / 25 19. DPI qisqartma so’zining kengaytmasi toping. A) dots per inchin B) dots per inch C) dots peter inch D) dok per inch 20 / 25 20. Ikkilik kodlangan quyidagi kod qaysi rang? 101 A) Qizil B) Oq C) Sariq D) Qirmizi 21 / 25 21. Ranglarni ikkilikda kodlash uchun kimning formulasidan foydalaniladi? A) William B) Xartli C) Frank D) Jon Ekkert 22 / 25 22. 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) 3,56 Gb B) 4,66 Gb C) 1,56 Gb D) 3,16 Gb 23 / 25 23. Ovoz balandligi qanday o’lchanadi? A) DB B) DDI C) minut D) KHz 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) 2,64 Mb C) 3,64 Mb D) 1,64 Mb 25 / 25 25. 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) 1,87 Gb C) 12,87 Gb D) 6,87 Gb 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
