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 92 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. Axborotlarni saqlash qurilmasi to’g’ri ko’rsatilgan javobni tanlang. A) Qattiq disk, optic disk, printer B) Qattiq disk, optic disk, USB disk C) Qattiq disk, modem, USB disk D) Klaviatura, optic disk, USB disk 3 / 25 3. Axborotlani chiqarish qurilmalari to’g’ri ko’rsatilgan javobni tanlang. A) Skaner, printer, klaviatura B) Video proektor, mikrafon, klaviatura C) Skaner, mikrafon, klaviatura D) Quloqchin, printer, monitor 4 / 25 4. O‘nlik sanoq sistemasidagi 4 xonali eng katta sonni toping. A) 9000 B) 9999 C) 1000 D) 1111 5 / 25 5. Ikkilik sanoq sistemasining raqamlarni toping. A) 0, 1, 2, 3 B) 0, 1, 2, 3, 4, 5 C) 0, 1, 2, 3, 4 D) 0, 1 6 / 25 6. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9; ushbu raqamlar qanday sanoq sistemasi alifbosi elementlari? A) Ikkilik B) Beshlik C) O’nlik D) To’qqizlik 7 / 25 7. O‘tkazishlarni bajaring: 10365₁₀ = ? ₁₆ A) 28BD B) 288D C) 287D D) 28AD 8 / 25 8. O‘tkazishlarni bajaring: AB₁₄ = ?₂ A) 100111 B) 10010111 C) 11010111 D) 100111 9 / 25 9. O‘tkazishlarni bajaring: 702₈ = ?₁₀ A) 650 B) 458 C) 450 D) 460 10 / 25 10. Ikkilik sanoq sistemasida amalni bajaring: 10001₂+101₂=?₂ A) 10110 B) 10100 C) 10111 D) 10010 11 / 25 11. Ikkilik sanoq sistemasida amalni bajaring: 110₂+101₂=?₂ A) 1111 B) 1011 C) 1001 D) 1010 12 / 25 12. Hisoblang: 61₈ + E9₁₅ – 10011₄=?₂ A) 101 B) 111 C) 100 D) 10 13 / 25 13. Fayl hajmi –bu? A) Axborot uzatish tezligining eng kichik o‘lchov birligi. B) Axborotning eng katta o‘lchov birligi. C) Fayldagi axborotlar hajmi yoki xotirada talab etilayotgan joy o‘lchami. D) Axborotning eng kichik o‘lchov birligi. 14 / 25 14. Yorug‘lik taxtasiga qizil, yashil va ko‘k rangda yonuvchi lampochkalar o‘rnatilgan. 5 ta lampochka yordamida necha xil signal uzatish mumkinligini aniqlang. A) 243 B) 32 C) 81 D) 27 15 / 25 15. Bit so’zi qaysi tildan olingan? A) Inglizcha: bit rate B) Inglizcha: binary digit C) Inglizcha: binding digit D) Fnarsuzcha: binary different 16 / 25 16. ASCII kodlash tizimi yordamida nechta belgi kodlanadi. A) 8 B) 255 C) 256 D) 32 17 / 25 17. ASCII kenkaytmasini toping. A) American Stand Code for Information Interchange B) Amsterdam Standard Code for Interchange Information C) American Standard Code for Information Interchange D) American Standard Config for Information Interchange 18 / 25 18. Unicode jadvalida belgilar nechchilik sanoq sistemasidagi kodlanadi? A) 16 B) 2 C) 8 D) 10 19 / 25 19. Quyidagi formatlardan qaysi Vektorli tasvir ko‘rinishidagi fayl? A) „GIF“ B) „BMP“ C) „JPEG“ D) „SVG“ 20 / 25 20. Ikkilik kodlangan yashil rang kodini toping A) 100 B) 100 C) 000 D) 010 21 / 25 21. O‘lchamlari 640 × 480 piksel tasvir 24 xil rang orqali ifodalangan. Tasvirning axborot hajmini hisoblang. A) 87,5 Kb B) 120 bit C) 187,5 bit D) 187,5 Kb 22 / 25 22. ADC qurilmasining vazifalari nimalardan iborat? A) raqamli axborotlarni analog signallarga o‘tkazuvchi qurilma B) analog signallarni raqamli ko‘rinishga o‘tkazuvchi qurilma 23 / 25 23. 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) 1,64 Mb B) 1,84 Mb C) 2,64 Mb D) 3,64 Mb 24 / 25 24. 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) 3,16 Gb C) 1,56 Gb D) 4,66 Gb 25 / 25 25. Ovoz balandligi qanday o’lchanadi? A) DDI B) minut C) DB D) KHz 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
