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 87 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. Axborotlani kritish qurilmalari to’g’ri ko’rsatilgan javobni tanlang. A) Skaner, mikrafon, klaviatura B) Printer, klaviatura, monitor, quloqchin C) Web kamera, monitor, ovoz kuchaytirgich D) Printer, Web kamera, Skaner, ovoz kuchaytirgich 3 / 25 3. Quyidagi rasmda rasmli axborot to'g'ri ko'rsatilgan javobni tanlang. A) 4 B) 5 C) 3 D) 1 4 / 25 4. O‘n oltilik sanoq sistemasining raqamlarni toping. A) 0, 1, 2, 3, 4, 5 B) 0, 1, 2, 3, 4 C) 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F D) 0, 1, 2, 3, 4, 5, 6, 7, 8 5 / 25 5. Agar sonlarni yozishda raqamning qiymati uning sondagi o‘rni (razryadi)ga bog‘liq bo‘lmasa, bunday sanoq sistemalari … deb yuritiladi. Nuqtalar o’rniga to’g’ri javobni tanlang. A) pozitsiyali sanoq sistemalari B) pozitsiyali bo‘lmagan sanoq sistemalari 6 / 25 6. Quyidagi sonni ixcham ko‘rinishda yozing: 5 ∙ 12² A) 5₁₀ B) 500₁₀ C) 50₁₂ D) 500₁₂ 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) 10010 C) 1110 D) 111 8 / 25 8. O‘tkazishlarni bajaring: 10365₁₀ = ? ₁₆ A) 28AD B) 287D C) 288D D) 28BD 9 / 25 9. O‘tkazishlarni bajaring: 11100111₂ = ?₈ A) 357 B) 347 C) 345 D) 447 10 / 25 10. Ikkilik sanoq sistemasida amalni bajaring: 10001₂+101₂=?₂ A) 10100 B) 10111 C) 10110 D) 10010 11 / 25 11. Ikkilik sanoq sistemasida amalni bajaring: 110101₂ – 11110₂=?₂ A) 10101 B) 10111 C) 11011 D) 10011 12 / 25 12. Hisoblang: 1111₂ + 246₈ + 8D₁₆=?₁₆ A) 163 B) 142 C) 152 D) E8 13 / 25 13. Kodlanayotgan belgilar soni 39 ta bo‘lsa necha bit xotira hajmi kerak bo’ladi? A) 7 B) 4 C) 5 D) 6 14 / 25 14. 1 Mbit/sek qaysi javobga teng? A) 1024 Kbit/sek; B) 8 bit/sek C) 1024 bit/sek; D) 1024 bayt/sek; 15 / 25 15. 1 gigabayt (Gb) necha Mb? A) 2048 B) 1024 C) 2²³ D) 2²⁰ 16 / 25 16. Ikkilikda berilgan kodlarni ASCII jadvali yordamida belgilarga kodlang: 01000000010110000101101101001101 A) @W[M B) @X[M C) @XZM D) AX[M 17 / 25 17. Unicode jadvali har bir belgi xotiradan necha bayt joyni egallaydi. A) 8 B) 4 C) 1 D) 2 18 / 25 18. 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) 32 Kb B) 28 Kb C) 31 Kb D) 30 Kb 19 / 25 19. Ikkilik kodlangan ko’k rang kodini toping A) 010 B) 011 C) 001 D) 100 20 / 25 20. Ikkilik kodlangan qirmizi rang kodini toping A) 100 B) 001 C) 010 D) 101 21 / 25 21. Kompyuter grafik axborotlar xotirada qanday ko’rinishda saqlaydi? A) vektorli B) rastrli yoki vektorli C) rastrli yoki froktal D) rastrli 22 / 25 22. Ovoz balandligi qanday o’lchanadi? A) DB B) DDI C) minut D) KHz 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) 2,64 Mb B) 1,64 Mb C) 1,84 Mb D) 3,64 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) 6,87 Gb B) 2,87 Gb C) 12,87 Gb D) 1,87 Gb 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) 6,6 Mb B) 16,6 Mb C) 36,6 Mb D) 36 Mb 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
