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 59 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 9 12345678910111213141516171819202122232425 7-sinf Informatika №9 1-chorak uchun 9-dars. NAZORAT ISH 1 / 25 1. Axborotlarni saqlash qurilmasi to’g’ri ko’rsatilgan javobni tanlang. A) Klaviatura, optic disk, USB disk B) Qattiq disk, modem, USB disk C) Qattiq disk, optic disk, USB disk D) Qattiq disk, optic disk, printer 2 / 25 2. Quyidagi rasmda matnli axborot to'g'ri ko'rsatilgan javobni tanlang. A) 3 B) 1 C) 2 D) 4 3 / 25 3. Axborotlani chiqarish qurilmalari to’g’ri ko’rsatilgan javobni tanlang. A) Quloqchin, printer, monitor B) Skaner, mikrafon, klaviatura C) Skaner, printer, klaviatura D) Video proektor, mikrafon, klaviatura 4 / 25 4. Quyidagi sonni yoyiq ko‘rinishda yozing: 7071₈ A) 7 ∙8² + 7 ∙8¹ + 1 ∙ 8⁰ B) 7 ∙8³ + 7 ∙8² + 0 ∙8¹ + 1 ∙ 8⁰ C) 7 ∙8³ + 7 ∙8² + 0 ∙ 8⁰ D) 7 ∙8³ + 7 ∙8¹ + 1 ∙ 8⁰ 5 / 25 5. Quyidagi sonni ixcham ko‘rinishda yozing: 2 ∙ 8³ + 7 ∙ 8² + 5 ∙ 8¹ + 0 ∙ 8⁰ A) 2750₁₀ B) 2750₈ C) 250₈ D) 275₈ 6 / 25 6. 0, 1, ushbu raqamlar qanday sanoq sistemasi alifbosi elementlari? A) To’qqizlik B) Ikkilik C) Beshlik D) O’nlik 7 / 25 7. O‘tkazishlarni bajaring: 70135₈ = ?₂ A) 110000001011101 B) 111000001011001 C) 111000001011101 D) 111000001111101 8 / 25 8. O‘tkazishlarni bajaring: 1542₆ = ?₁₁ A) 454 B) 355 C) 453 D) 354 9 / 25 9. O‘tkazishlarni bajaring: AC₁₅ = ?₇ A) 331 B) 323 C) 322 D) 321 10 / 25 10. Ikkilik sanoq sistemasida amalni bajaring: 101₂ ∙ 11₂=?₂ A) 1001 B) 1111 C) 1000 D) 1110 11 / 25 11. 17D va AAD butun sonlarni yozish mumkin bo’lgan eng kichik asosli sanoq sestemasidagi shu sonlarni kattasidan kichigini ayrmasini aniqlang A) 930 B) CC0 C) AB0 D) 9D0 12 / 25 12. 8 lik sanoq sistemasidagi 7060 sonini 15 lik sanoq sistemasigao'tkazing A) 4040 B) 3330 C) 1122 D) 4200 13 / 25 13. Kodlanayotgan belgilar soni 365 ta bo‘lsa necha bit xotira hajmi kerak bo’ladi? A) 10 B) 9 C) 7 D) 8 14 / 25 14. 1 Mbit/sek qaysi javobga teng? A) 1024 Kbit/sek; B) 1024 bayt/sek; C) 8 bit/sek D) 1024 bit/sek; 15 / 25 15. Kodlanayotgan belgilar soni 758 ta bo‘lsa necha bit xotira hajmi kerak bo’ladi? A) 11 B) 20 C) 10 D) 9 16 / 25 16. Qanday kodlash jadvallari mavjud. A) Barchasi B) Windows, UTF C) ISO, CP D) UTF-8, ASCII, Unicode 17 / 25 17. Unicode jadvalida belgilar nechchilik sanoq sistemasidagi kodlanadi? A) 8 B) 10 C) 16 D) 2 18 / 25 18. ASCII jadvali har bir belgi xotiradan necha bayt joyni egallaydi. A) 8 B) 2 C) 1 D) 4 19 / 25 19. Ikkilik kodlangan qirmizi rang kodini toping A) 010 B) 100 C) 101 D) 001 20 / 25 20. Kompyuter grafik axborotlar xotirada qanday ko’rinishda saqlaydi? A) vektorli B) rastrli yoki vektorli C) rastrli yoki froktal D) rastrli 21 / 25 21. Ikkilik kodlangan yashil rang kodini toping A) 100 B) 000 C) 100 D) 010 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) 12,87 Gb B) 6,87 Gb C) 2,87 Gb D) 1,87 Gb 23 / 25 23. Ovoz balandligi qanday o’lchanadi? A) minut B) DDI C) DB 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) 1,64 Mb C) 2,64 Mb D) 3,64 Mb 25 / 25 25. Audiofayl yozilish jarayonida kodning uzunligi 32 bitga, bir sekunddagi chastota esa 32 000 Hz ga teng. Audiofaylning davomiyligi 5 minutga teng bo‘lsa, audiofayl hajmini hisoblang. A) 36,6 Mb B) 6,6 Mb C) 16,6 Mb D) 36 Mb 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
