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. Axborotlani chiqarish qurilmalari to’g’ri ko’rsatilgan javobni tanlang. A) Skaner, mikrafon, klaviatura B) Video proektor, mikrafon, klaviatura C) Skaner, printer, klaviatura D) Quloqchin, printer, monitor 2 / 25 2. Uzluksiz axborot yana qanday nomlanadi? A) Diskret B) Analog 3 / 25 3. Quyidagi rasmda matnli axborot to'g'ri ko'rsatilgan javobni tanlang. A) 1 B) 3 C) 2 D) 4 4 / 25 4. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D; ushbu raqamlar qanday sanoq sistemasi alifbosi elementlari? A) O’n to’rtlik B) To’qqizlik C) O’n oltilik D) O’n ikkilik 5 / 25 5. Quyidagi sonni yoyiq ko‘rinishda yozing: 1040310₅ A) 1 ∙5⁶ + 0 ∙5⁵ + 0 ∙5³ +3 ∙5² + 1∙5¹ B) 1 ∙5⁶ + 4 ∙5⁴ + 0 ∙5³ +3 ∙10² + 1∙5¹ + 0 ∙ 5⁰ C) 1 ∙5⁶ + 0 ∙5⁵ + 4 ∙5⁴ + 0 ∙5³ + 1∙5¹ + 0 ∙ 5⁰ D) 1 ∙5⁶ + 0 ∙5⁵ + 4 ∙5⁴ + 0 ∙5³ +3 ∙5² + 0 ∙ 5⁰ 6 / 25 6. Quyidagi sonni ixcham ko‘rinishda yozing: 4 ∙ 16² + 11 ∙ 16¹ + 1 ∙ 16⁰ A) 4B1₁₆ B) 4111₁₆ C) 4111₈ D) 4B1₁₀ 7 / 25 7. O‘tkazishlarni bajaring: 110100001₂ = ?₄ A) 12211 B) 12201 C) 12101 D) 11201 8 / 25 8. O‘tkazishlarni bajaring: 70135₈ = ?₂ A) 111000001011101 B) 110000001011101 C) 111000001111101 D) 111000001011001 9 / 25 9. O‘tkazishlarni bajaring: 33201₄ = ?₁₂ A) 6AA B) BA9 C) 6A9 D) 6AE 10 / 25 10. Ikkilik sanoq sistemasida amalni bajaring: 1111011₂+110₂=?₂ A) 1000001 B) 10000011 C) 10000001 D) 11100001 11 / 25 11. Hisoblang: 61₈ + E9₁₅ – 10011₄=?₂ A) 10 B) 100 C) 111 D) 101 12 / 25 12. Ikkilik sanoq sistemasida amalni bajaring: 1101₂ ∙ 111₂-10001₂=?₈ A) 122 B) 222 C) 132 D) 112 13 / 25 13. 1 megabayt (Mb) necha bit? A) 2¹⁰ bit B) 2³³ bit C) 2²⁰ bit D) 2²³ bit 14 / 25 14. Bit so’zi qaysi tildan olingan? A) Fnarsuzcha: binary different B) Inglizcha: binding digit C) Inglizcha: bit rate D) Inglizcha: binary digit 15 / 25 15. 128 Mb = ? Gb A) 7 B) 128∙2¹⁰ C) 0.5 D) 1-Aug 16 / 25 16. Kodlash tizimlari nomi to’g’ri keltirilgan qatorni aniqlang. A) ASCII, Unicode, ISO, CP, Windows File, SpinEdit B) Windows, UTF, ASCII, Unicode, ISO, CP, Google Securite C) ASCII, Unicode, ISO, CP, UTF, Binary Digit D) ISO, CP, Windows, UTF, ASCII, Unicode 17 / 25 17. Qanday kodlash jadvallari mavjud. A) ISO, CP B) Barchasi C) UTF-8, ASCII, Unicode D) Windows, UTF 18 / 25 18. Ikkilikda berilgan kodlarni ASCII jadvali yordamida belgilarga kodlang: 01000000010110000101101101001101 A) AX[M B) @XZM C) @X[M D) @W[M 19 / 25 19. Tasvir zichligi (PPI) qanday o’lchanadi? A) 1 m joylashgan piksellar soni B) 1 mm joylashgan piksellar soni C) 1 dyuymda joylashgan piksellar soni D) 1 sm joylashgan piksellar soni 20 / 25 20. Ikkilik kodlangan qirmizi rang kodini toping A) 100 B) 010 C) 001 D) 101 21 / 25 21. Ikkilik kodlangan havorang rang kodini toping A) 100 B) 001 C) 011 D) 010 22 / 25 22. 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) 1,87 Gb C) 2,87 Gb D) 12,87 Gb 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) 3,64 Mb D) 2,64 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) 1,56 Gb C) 4,66 Gb D) 3,16 Gb 25 / 25 25. Ovoz balandligi qanday o’lchanadi? A) DDI B) minut C) DB D) KHz 0% Author: InfoMaster Foydali bo'lsa mamnunmiz
