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 108 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 0 12345678910111213141516171819202122232425 7-sinf Informatika №9 1-chorak uchun 9-dars. NAZORAT ISH 1 / 25 1. Analog qurilmalar to’g’ri ko’rsatilgan javobni belgilang. A) 1 B) 2 2 / 25 2. Raqamli qurilmalar to’g’ri ko’rsatilgan javobni belgilang. A) 1 B) 2 3 / 25 3. Quyidagi rasmda matnli axborot to'g'ri ko'rsatilgan javobni tanlang. A) 2 B) 1 C) 3 D) 4 4 / 25 4. Quyidagi sonni ixcham ko‘rinishda yozing: 4 ∙ 16² + 11 ∙ 16¹ + 1 ∙ 16⁰ A) 4B1₁₀ B) 4111₁₆ C) 4111₈ D) 4B1₁₆ 5 / 25 5. Quyidagi sonni yoyiq ko‘rinishda yozing: 7071₈ A) 7 ∙8² + 7 ∙8¹ + 1 ∙ 8⁰ B) 7 ∙8³ + 7 ∙8² + 0 ∙ 8⁰ C) 7 ∙8³ + 7 ∙8¹ + 1 ∙ 8⁰ D) 7 ∙8³ + 7 ∙8² + 0 ∙8¹ + 1 ∙ 8⁰ 6 / 25 6. O‘nlik sanoq sistemasida berilgan son 30 ga teng. Shu son boshqa sanoq sistemasida 36 ga teng bo‘lsa, noma’lum sanoq sistemasi asosini aniqlang. A) 10 B) 6 C) 8 D) 7 7 / 25 7. O‘tkazishlarni bajaring: 1542₆ = ?₁₁ A) 453 B) 454 C) 355 D) 354 8 / 25 8. O‘tkazishlarni bajaring: 11100111₂ = ?₈ A) 347 B) 357 C) 345 D) 447 9 / 25 9. O‘tkazishlarni bajaring: 702₈ = ?₁₀ A) 650 B) 450 C) 460 D) 458 10 / 25 10. Ikkilik sanoq sistemasida amalni bajaring: 110111₂+110100₂=?₂ A) 1001011 B) 1111011 C) 1100011 D) 1101011 11 / 25 11. Ikkilik sanoq sistemasida amalni bajaring: 1101₂ ∙ 110₂=?₂ A) 1001110 B) 1001100 C) 1111110 D) 1011110 12 / 25 12. 8 lik sanoq sistemasidagi 7060 sonini 15 lik sanoq sistemasigao'tkazing A) 1122 B) 4040 C) 4200 D) 3330 13 / 25 13. Kodlanayotgan belgilar soni 365 ta bo‘lsa necha bit xotira hajmi kerak bo’ladi? A) 9 B) 8 C) 10 D) 7 14 / 25 14. 1 bit/sek qaysi javobga teng? A) 1 bayt/sek B) 1 Kbayt/sek C) 1 bps D) 1 Kbit/sek 15 / 25 15. Bit so’zi qanday ma’noni anglatadi? A) Kop’ raqamlar B) Axborot miqdori C) Eng kichik o’lcham D) Ikkilik raqamlari 16 / 25 16. Ikkilikda berilgan kodlarni ASCII jadvali yordamida belgilarga kodlang: 011000010010101101100010 A) B+a B) b+a C) A+b D) a+b 17 / 25 17. Kodlash tizimlari nomi to’g’ri keltirilgan qatorni aniqlang. A) Windows, UTF, ASCII, Unicode, ISO, CP, Google Securite B) ASCII, Unicode, ISO, CP, Windows File, SpinEdit C) ASCII, Unicode, ISO, CP, UTF, Binary Digit D) ISO, CP, Windows, UTF, ASCII, Unicode 18 / 25 18. Unicode jadvalida belgilar 16 lik sanoq sistemasidagi nechta raqam orqali kodlanadi. A) 2 B) 4 C) 16 D) 8 19 / 25 19. Ikkilik kodlangan quyidagi kod qaysi rang? 110 A) Qizil B) Sariq C) Qirmizi D) Oq 20 / 25 20. Ikkilik kodlangan qora rang kodini toping A) 010 B) 000 C) 100 D) 001 21 / 25 21. RGB modeli yordamida hosil qilingan tasvir hajmi qanday? A) 8 bit B) 3 bit C) 2 bit D) 1 bit 22 / 25 22. 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 Mb B) 16,6 Mb C) 6,6 Mb D) 36,6 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) 6,87 Gb B) 1,87 Gb C) 2,87 Gb D) 12,87 Gb 24 / 25 24. Ovozli axborotlarni qaysi axborot turiga mansub? A) Analog B) Diskret 25 / 25 25. Ovoz balandligi qanday o’lchanadi? A) minut B) KHz C) DB D) DDI 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
