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 4 12345678910111213141516171819202122232425 7-sinf Informatika №9 1-chorak uchun 9-dars. NAZORAT ISH 1 / 25 1. Axborotlani kritish qurilmalari to’g’ri ko’rsatilgan javobni tanlang. A) Web kamera, monitor, ovoz kuchaytirgich B) Skaner, mikrafon, klaviatura C) Printer, Web kamera, Skaner, ovoz kuchaytirgich D) Printer, klaviatura, monitor, quloqchin 2 / 25 2. Quyidagi rasmda Audioaxborot to'g'ri ko'rsatilgan javobni tanlang. A) 3 B) 2 C) 4 D) 5 3 / 25 3. Kompyuterda axborotni qanday tasvirlash shakllari bor? A) Qiqizarli, sonli, grafik, ovozli (audio), video B) Matnli, sonli, grafik, rangli, video C) Matnli, sonli, grafik, ovozli (audio), video D) Matnli, qiziqarli, rangli, video 4 / 25 4. Kompyuter qaysi sanoq sistemasi asosida ishlaydi? A) Beshlik B) Ikkilik C) O’n oltilik D) Sakkizlik 5 / 25 5. 0, 1, 2, 3, 4, 5, ushbu raqamlar qanday sanoq sistemasi alifbosi elementlari? A) O’n oltilik B) Oltilik C) To’qqizlik D) Beshlik 6 / 25 6. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F; ushbu raqamlar qanday sanoq sistemasi alifbosi elementlari? A) O’n oltilik B) Oltilik C) O’n ikkilik D) To’qqizlik 7 / 25 7. O‘tkazishlarni bajaring: AC₁₅ = ?₇ A) 323 B) 321 C) 322 D) 331 8 / 25 8. O‘tkazishlarni bajaring: 70135₈ = ?₂ A) 111000001111101 B) 110000001011101 C) 111000001011001 D) 111000001011101 9 / 25 9. O‘tkazishlarni bajaring: AB₁₄ = ?₂ A) 11010111 B) 10010111 C) 100111 D) 100111 10 / 25 10. Hisoblang: 61₈ + E9₁₅ – 10011₄=?₂ A) 101 B) 111 C) 100 D) 10 11 / 25 11. Ikkilik sanoq sistemasida amalni bajaring: 110111₂ – 1111₂=?₂ A) 101001 B) 101000 C) 101100 D) 100100 12 / 25 12. Tenglik to’g’ri bo’ladigan sanoq sestemasi asosini aniqlang: 24005(x) = 26010(x) – 2004(x) A) 12 B) 16 C) 9 D) 8 13 / 25 13. 1 terabayt (Tb) necha Gb? A) 2²³ B) 2²⁰ C) 2²² D) 2¹⁰ 14 / 25 14. Kodlanayotgan belgilar soni 200 ta bo‘lsa necha bit xotira hajmi kerak bo’ladi? A) 8 B) 5 C) 7 D) 6 15 / 25 15. 1024 Mb necha Gb? A) 512 B) 16 C) 1 D) 4 16 / 25 16. Unicode –bu? A) xalqaro kodlash jadvali. B) ayrim murakkab belgilarni kodlash tizimi C) xborot almashish uchun Amerika standart kodi D) yozuv tillarining deyarli barcha belgilarini kodlash standarti. 17 / 25 17. ASCII kenkaytmasini toping. A) Amsterdam Standard Code for Interchange Information B) American Standard Config for Information Interchange C) American Standard Code for Information Interchange D) American Stand Code for Information Interchange 18 / 25 18. ASCII kodlash tizimi yordamida nechta belgi kodlanadi. A) 8 B) 32 C) 256 D) 255 19 / 25 19. Ikkilik kodlangan quyidagi kod qaysi rang? 111 A) Qizil B) Sariq C) Oq D) Qirmizi 20 / 25 20. Kompyuter grafik axborotlar xotirada qanday ko’rinishda saqlaydi? A) rastrli B) rastrli yoki vektorli C) vektorli D) rastrli yoki froktal 21 / 25 21. Rangli tasvirlarni kodlashda qanday modelidan foydalaniladi? A) RGB B) BGB C) YGB D) RWB 22 / 25 22. Ovoz balandligi qanday o’lchanadi? A) minut B) DB C) DDI D) KHz 23 / 25 23. 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) 3,16 Gb B) 1,56 Gb C) 3,56 Gb D) 4,66 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. 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) 36,6 Mb C) 6,6 Mb D) 36 Mb 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
