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 66 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 0 12345678910111213141516171819202122232425 7-sinf Informatika №9 1-chorak uchun 9-dars. NAZORAT ISH 1 / 25 1. Uzlukli axborot yana qanday nomlanadi? A) Analog B) Diskret 2 / 25 2. Axborotlani kritish qurilmalari to’g’ri ko’rsatilgan javobni tanlang. A) Skaner, mikrafon, klaviatura B) Web kamera, monitor, ovoz kuchaytirgich C) Printer, klaviatura, monitor, quloqchin D) Printer, Web kamera, Skaner, ovoz kuchaytirgich 3 / 25 3. Quyidagi rasmda Audioaxborot to'g'ri ko'rsatilgan javobni tanlang. A) 5 B) 3 C) 4 D) 2 4 / 25 4. 0, 1, 2, 3, 4, 5, 6, 7, 8: ushbu raqamlar qanday sanoq sistemasi alifbosi elementlari? A) Beshlik B) Ikkilik C) To’qqizlik D) O’nlik 5 / 25 5. kkilik sanoq sistemasida 6 xonali eng kichik sonni yozing A) 100000 B) 10000 C) 111111 D) 100001 6 / 25 6. Quyidagi sonni ixcham ko‘rinishda yozing: 2 ∙ 3³ + 2 ∙ 3¹ + 1 ∙ 3⁰ A) 2021₁₀ B) 221₃ C) 2021₃ D) 202₃ 7 / 25 7. O‘tkazishlarni bajaring: 110100001₂ = ?₄ A) 12211 B) 12101 C) 11201 D) 12201 8 / 25 8. O‘tkazishlarni bajaring: 70135₈ = ?₂ A) 111000001011101 B) 111000001011001 C) 110000001011101 D) 111000001111101 9 / 25 9. O‘tkazishlarni bajaring: AC₁₅ = ?₇ A) 323 B) 331 C) 322 D) 321 10 / 25 10. Tenglamani ikkilik sanoq sistemasida yeching. x + 1001 = 10000 A) 111 B) 10 C) 100 D) 110 11 / 25 11. 8 lik sanoq sistemasidagi 7060 sonini 15 lik sanoq sistemasigao'tkazing A) 4200 B) 4040 C) 1122 D) 3330 12 / 25 12. Ikkilik sanoq sistemasida amalni bajaring: 110₂+101₂=?₂ A) 1111 B) 1011 C) 1010 D) 1001 13 / 25 13. 1 terabayt (Tb) necha Gb? A) 2²⁰ B) 1024 C) 2048 D) 2²³ 14 / 25 14. 1 gigabayt (Gb) necha kilobayt? A) 2²⁰ Kb B) 1024 bit C) 2²³ Kb D) 2¹⁰ Kb 15 / 25 15. 128 Mb = ? Gb A) 1-Aug B) 7 C) 128∙2¹⁰ D) 0.5 16 / 25 16. 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) 31 Kb B) 32 Kb C) 28 Kb D) 30 Kb 17 / 25 17. ASCII kodlash tizimi yordamida nechta belgi kodlanadi. A) 32 B) 8 C) 255 D) 256 18 / 25 18. Unicode jadvali har bir belgi xotiradan necha bayt joyni egallaydi. A) 4 B) 2 C) 8 D) 1 19 / 25 19. Ikkilik kodlangan quyidagi kod qaysi rang? 011 A) Ko‘k B) Yashil C) Qora D) Havorang 20 / 25 20. Ikkilik kodlangan havorang rang kodini toping A) 011 B) 100 C) 001 D) 010 21 / 25 21. 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 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) 1,84 Mb B) 2,64 Mb C) 1,64 Mb D) 3,64 Mb 23 / 25 23. ADC qurilmasining vazifalari nimalardan iborat? A) analog signallarni raqamli ko‘rinishga o‘tkazuvchi qurilma B) raqamli axborotlarni analog signallarga o‘tkazuvchi qurilma 24 / 25 24. Ovozli axborotlarni qaysi axborot turiga mansub? A) Diskret B) Analog 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) 16,6 Mb C) 36 Mb D) 6,6 Mb 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
