7-sinf Informatika №16 2-chorak uchun

Dekabr 23, 2022

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7-sinf Informatika №16 2-chorak uchun

II bob. GRAFIK AXBOROTLARNI QAYTA ISHLASH

16-dars. NAZORAT ISHI.

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1. Quyidagi rasmda Audioaxborot to'g'ri ko'rsatilgan javobni tanlang.

A) 4

B) 3

C) 2

D) 5

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2. Quyidagi sonni ixcham ko‘rinishda yozing: 5 ∙ 12²

A) 5₁₀

B) 50₁₂

C) 500₁₀

D) 500₁₂

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3. O‘tkazishlarni bajaring: 70135₈ = ?₂

A) 111000001011101

B) 111000001111101

C) 111000001011001

D) 110000001011101

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4. Ikkilik sanoq sistemasida amalni bajaring: 10001₂+101₂=?₂

A) 10111

B) 10010

C) 10110

D) 10100

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5. Ikkilik sanoq sistemasida amalni bajaring: 110101₂ – 11110₂=?₂

A) 10101

B) 11011

C) 10011

D) 10111

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6. 6 Kb = ? bit

A) 8 192

B) 6 144

C) 49 152

D) 48

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7. 1 Kbayt/sek qaysi javobga teng?

A) 1024 Kbit/sek;

B) 8 bit/sek

C) 1024 bit/sek;

D) 1024 bayt/sek;

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8. Unicode jadvali har bir belgi xotiradan necha bayt joyni egallaydi.

A) 2

B) 1

C) 8

D) 4

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9. ASCII kenkaytmasini toping.

A) American Standard Code for Information Interchange

B) Amsterdam Standard Code for Interchange Information

C) American Standard Config for Information Interchange

D) American Stand Code for Information Interchange

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10. Ikkilik kodlangan quyidagi kod qaysi rang? 001

A) Ko‘k

B) Qora

C) Havorang

D) Yashil

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11. Monitor ekranida rangli tasvirlar asosiy qaysi ranglar yordamida hosil qilinadi?

A) qizil, oq va ko‘k

B) qizil, yashil va qora

C) qizil, yashil va ko‘k

D) sariq, yashil va ko‘k

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12. 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) 1,64 Mb

C) 2,64 Mb

D) 3,64 Mb

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13. 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) 36 Mb

B) 16,6 Mb

C) 36,6 Mb

D) 6,6 Mb

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14. – haqiqiy olam tasavvurini turli tеxnik vositalar yordamida idrok etish, his etish imkonini beruvchi sun’iy hosil qilingan axborot muhiti. Ushbu ta’rif qaysi javobda berilmoqda.

A) Piksel

B) Rastr

C) Grafika

D) Virtual voqelik

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15. Quyidagi rasmda qaysi raqamda uch o‘lchovli grafika misol keltirilgan?

A) 1

B) 2

C) 4

D) 3

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16. RGB rang modelida qaysi ranglar asosiy hisoblanadi?

A) Qizil, yashil, sariq

B) Qora, yashil, ko‘k

C) Qizil, yashil, ko‘k

D) Qizil, yashil, ko‘k, sariq

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17. JPEG grafik formatini kengaytmasini toping.

A) Joint Phone Experts Group

B) Joint Photographic Extension Group

C) Joint Photographic Experts Grow

D) Joint Photographic Experts Group

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18. CorelDRAW dasturda asosan qanday tasvirlar ishlashga mo‘ljallangan?

A) vektorli va rastrli grafika

B) fraktal grafika

C) 3D grafika

D) rastrli grafika

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19. Ushbu rasmqaysi dastur logotipi?

A) Adobe Lightroom

B) Adobe Illustrator

C) Adobe Photoshop

D) CorelDRAW Graphics Suite

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20. Adobe Photoshop dasturida Zoom Tool uskunani faollashtirish uchun qaysi klavish bosiladi. (21-rasm)

A) C

B) T

C) U

D) Z

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21. Adobe Photoshop dasturida Pen Tool uskuna vazifasini toping. (16-rasm)

A) Uskuna rasm qismlarining oldingi holatini tiklaydi.

B) Uskuna tasvirni sifatli bo‘yash maqsadida ishlatiladi.

C) Pero tasvir ustida harakatlantirilganda, nuqtalar hosil bo‘ladi.

D) Uskuna yordamida piksellardagi ranglar yorqinlashadi. „Alt“ klavishi bilan qo‘llanilganda esa piksellardagi ranglar xiralashadi.

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22. „Lassо Tool“ uskunasi yordamida obyekt qanday ko‘rinishda belgilanadi?

A) to‘g‘ri to‘rtburchak

B) istaganday belgilash mumkin

C) aylana yoki ellips

D) to‘g‘ri chiziq chaklida

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23. „Rectangular Marquee Tool“ uskunasi yordamida obyekt qanday ko‘rinishda belgilanadi?

A) istaganday belgilash mumkin

B) aylana yoki ellips

C) to‘g‘ri to‘rtburchak

D) to‘g‘ri chiziq chaklida

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24. Qatlamlar palitrasini ekranga chiqarish uchun asosiy menyuning qaysi menyudan foydalaniladi?

A) Image→Layers

B) File→Layers

C) Window →Layers

D) Edit→Layers

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25. Photoshop dasturida asl qatlamdan nusxa ko‘chirib olib uchun qanday tezkor klavishlaridan foydalaniladi?

A) Ctrl + N

B) Ctrl + S

C) Ctrl + T

D) Ctrl + J

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