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 37 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 10 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) 5 B) 4 C) 3 D) 1 2 / 25 2. Quyidagi rasmda Videoaxborot axborot to'g'ri ko'rsatilgan javobni tanlang. A) 5 B) 3 C) 2 D) 4 3 / 25 3. Axborotlarni saqlash qurilmasi to’g’ri ko’rsatilgan javobni tanlang. A) Klaviatura, optic disk, USB disk B) Qattiq disk, optic disk, printer C) Qattiq disk, modem, USB disk D) Qattiq disk, optic disk, USB disk 4 / 25 4. Quyidagi sonni ixcham ko‘rinishda yozing: 4 ∙ 16² + 11 ∙ 16¹ + 1 ∙ 16⁰ A) 4B1₁₆ B) 4B1₁₀ C) 4111₁₆ D) 4111₈ 5 / 25 5. Quyidagi sonni yoyiq ko‘rinishda yozing: 3641₁₀ A) 6 ∙10³ + 3 ∙10² + 4 ∙10¹ + 1 ∙ 10⁰ B) 3 ∙10³ + 6 ∙10² + 4 ∙10¹ + 1 ∙ 10⁰ C) 3 ∙10² + 4 ∙10¹ + 1 ∙ 10⁰ D) 3 ∙10⁴ + 6 ∙10³ + 4 ∙10² + 1 ∙ 10¹ 6 / 25 6. O‘nlik sanoq sistemasidagi 4 xonali eng katta sonni toping. A) 9999 B) 1111 C) 1000 D) 9000 7 / 25 7. O‘tkazishlarni bajaring: 10B₁₆ = ?₄ A) 12223 B) 10023 C) 10223 D) 30023 8 / 25 8. O‘tkazishlarni bajaring: 10365₁₀ = ? ₁₆ A) 287D B) 288D C) 28AD D) 28BD 9 / 25 9. O‘tkazishlarni bajaring: 11100111₂ = ?₈ A) 345 B) 347 C) 357 D) 447 10 / 25 10. Ikkilik sanoq sistemasida amalni bajaring: 1101₂ ∙ 110₂=?₂ A) 1001110 B) 1011110 C) 1111110 D) 1001100 11 / 25 11. Ikkilik sanoq sistemasida amalni bajaring: 1111₂ – 100₂=?₂ A) 1001 B) 1111 C) 1010 D) 1011 12 / 25 12. Ikkilik sanoq sistemasida amalni bajaring: 10011₂ – 1111₂=?₂ A) 100 B) 101 C) 110 D) 10 13 / 25 13. Bit so’zi qaysi tildan olingan? A) Inglizcha: bit rate B) Fnarsuzcha: binary different C) Inglizcha: binding digit D) Inglizcha: binary digit 14 / 25 14. Fayl axborot hajmini ko’rish ketma-ketligini toping. A) Sichqonchaning o‘ng tugmaсhasi fayl ustida bosiladi va hosil bo‘lgan kontekst menyudan „Свойствa“→„Размер“ B) Sichqonchaning o‘ng tugmaсhasi fayl ustida bosiladi va hosil bo‘lgan kontekst menyudan „Переименоват“ C) Sichqonchaning chap tugmaсhasi fayl ustida bosiladi va hosil bo‘lgan kontekst menyudan „Свойствa“→„Размер“ D) Sichqonchaning o‘ng tugmaсhasi fayl ustida bosiladi va hosil bo‘lgan kontekst menyudan „Отправит“ 15 / 25 15. Soniyada uzatiladigan bitlar soni odatda qanday belgilanadi? A) bit (binary digit) B) bps (bit per second) C) To’g’ri javob yo’q D) bts (bit digit second) 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. ASCII kenkaytmasini toping. A) American Standard Config for Information Interchange B) American Stand Code for Information Interchange C) Amsterdam Standard Code for Interchange Information D) American Standard Code for Information Interchange 18 / 25 18. Kodlash tizimlari nomi to’g’ri keltirilgan qatorni aniqlang. A) Windows, UTF, ASCII, Unicode, ISO, CP, Google Securite B) ASCII, Unicode, ISO, CP, UTF, Binary Digit C) ASCII, Unicode, ISO, CP, Windows File, SpinEdit D) ISO, CP, Windows, UTF, ASCII, Unicode 19 / 25 19. Ikkilik kodlangan quyidagi kod qaysi rang? 011 A) Havorang B) Ko‘k C) Qora D) Yashil 20 / 25 20. Rangli tasvirlarni kodlashda qanday modelidan foydalaniladi? A) RWB B) BGB C) YGB D) RGB 21 / 25 21. Rasmni ikkilikda kodlang va axborot hajmini aniqlang: A) 8 bit B) 28 bit C) 64 bit D) 2 bit 22 / 25 22. 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) 1,56 Gb B) 4,66 Gb C) 3,16 Gb D) 3,56 Gb 23 / 25 23. 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) 16,6 Mb B) 36 Mb C) 6,6 Mb D) 36,6 Mb 24 / 25 24. 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) 1,87 Gb D) 2,87 Gb 25 / 25 25. Ovozli axborotlarni qaysi axborot turiga mansub? A) Analog B) Diskret 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
