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 83 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 0 12345678910111213141516171819202122232425 7-sinf Informatika №9 1-chorak uchun 9-dars. NAZORAT ISH 1 / 25 1. Quyidagi rasmda rasmli axborot to'g'ri ko'rsatilgan javobni tanlang. A) 3 B) 5 C) 1 D) 4 2 / 25 2. Analog qurilmalar to’g’ri ko’rsatilgan javobni belgilang. A) 2 B) 1 3 / 25 3. Kompyuterda axborotni qanday tasvirlash shakllari bor? A) Matnli, qiziqarli, rangli, video B) Qiqizarli, sonli, grafik, ovozli (audio), video C) Matnli, sonli, grafik, ovozli (audio), video D) Matnli, sonli, grafik, rangli, video 4 / 25 4. 0, 1, ushbu raqamlar qanday sanoq sistemasi alifbosi elementlari? A) To’qqizlik B) Ikkilik C) Beshlik D) O’nlik 5 / 25 5. Quyidagi sonni yoyiq ko‘rinishda yozing: 7071₈ A) 7 ∙8³ + 7 ∙8² + 0 ∙8¹ + 1 ∙ 8⁰ B) 7 ∙8² + 7 ∙8¹ + 1 ∙ 8⁰ C) 7 ∙8³ + 7 ∙8² + 0 ∙ 8⁰ D) 7 ∙8³ + 7 ∙8¹ + 1 ∙ 8⁰ 6 / 25 6. kkilik sanoq sistemasida 6 xonali eng kichik sonni yozing A) 111111 B) 100000 C) 100001 D) 10000 7 / 25 7. Sinfda 12₁₆ nafar qiz bola bor. Ular jami o‘quvchilarning 140₆ % ini tashkil etsa, jami o‘quvchilar sonini ikkilik sanoq sistemasida hisoblang. A) 11110 B) 1110 C) 10010 D) 111 8 / 25 8. O‘tkazishlarni bajaring: 110100001₂ = ?₄ A) 12201 B) 12211 C) 12101 D) 11201 9 / 25 9. O‘tkazishlarni bajaring: 6574₉ = ?₁₃ A) A28A B) 2E8A C) 38A D) 228A 10 / 25 10. Ikkilik sanoq sistemasida amalni bajaring: 110101₂ – 11110₂=?₂ A) 11011 B) 10111 C) 10101 D) 10011 11 / 25 11. Hisoblang: 1111₂ + 246₈ + 8D₁₆=?₁₆ A) E8 B) 152 C) 163 D) 142 12 / 25 12. Ikkilik sanoq sistemasida amalni bajaring: 11001₂+1101₂=?₂ A) 111100 B) 101110 C) 100111 D) 100110 13 / 25 13. Soniyada uzatiladigan bitlar soni nima deb yuritiladi? A) binary digit B) bit rate C) binary rate D) bit range 14 / 25 14. Kodlanayotgan belgilar soni 365 ta bo‘lsa necha bit xotira hajmi kerak bo’ladi? A) 10 B) 8 C) 7 D) 9 15 / 25 15. 64 Gb = ? bayt; A) 2³⁶ B) 2²⁶ C) 2¹⁶ D) 2²⁰ 16 / 25 16. Kitobda 300 ta sahifa bo‘lib, har bir sahifa 25 ta satrdan, har bir satr esa 80 ta belgidan iborat. Kitobning axborot hajmini hisoblang. A) 600 000 bayt B) 600 bayt C) 300 000 bayt D) 2000 bayt 17 / 25 17. Kodlash tizimlari nomi to’g’ri keltirilgan qatorni aniqlang. A) Windows, UTF, ASCII, Unicode, ISO, CP, Google Securite B) ISO, CP, Windows, UTF, ASCII, Unicode C) ASCII, Unicode, ISO, CP, UTF, Binary Digit D) ASCII, Unicode, ISO, CP, Windows File, SpinEdit 18 / 25 18. Unicode jadvali har bir belgi xotiradan necha bayt joyni egallaydi. A) 4 B) 2 C) 1 D) 8 19 / 25 19. Rasmni ikkilikda kodlang va axborot hajmini aniqlang: A) 28 bit B) 2 bit C) 8 bit D) 64 bit 20 / 25 20. Ikkilik kodlangan quyidagi kod qaysi rang? 101 A) Sariq B) Qizil C) Oq D) Qirmizi 21 / 25 21. Ikkilik kodlangan quyidagi kod qaysi rang? 011 A) Ko‘k B) Yashil C) Havorang D) Qora 22 / 25 22. Ovozli axborotlarni qaysi axborot turiga mansub? A) Analog B) Diskret 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) 2,87 Gb B) 6,87 Gb C) 1,87 Gb D) 12,87 Gb 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) 1,64 Mb D) 3,64 Mb 25 / 25 25. 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 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
