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7-sinf Informatika №5

Oktabr 21, 2022

5 Ko'rishlar 1 izoh

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7-sinf Informatika №5

7-sinf Informatika va axborot texnologiyalari fanidan mavzulashtirilgan testlar

5-dars. AXBOROT HAJMINI O‘LCHASH

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1. Qaysi grafik uzlukli axborotga misol bo’la oladi?

A) 2

B) 1

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2. O‘n oltilik sanoq sistemasining raqamlarni toping.

A) 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F

B) 0, 1, 2, 3, 4, 5, 6, 7, 8

C) 0, 1, 2, 3, 4, 5

D) 0, 1, 2, 3, 4

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3. O‘tkazishlarni bajaring: 10110111₂ = ?₁₀

A) 283

B) 383

C) 183

D) 153

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4. Ikkilik sanoq sistemasida amalni bajaring: 10011₂ – 1111₂=?₂

A) 100

B) 101

C) 110

D) 10

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5. 99 bayt = ? bit

A) 99

B) 101 376

C) 990

D) 792

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6. Kompyuter xotirasidagi kataklar ketma-ketligidagi sakkiz bitdan iborat axborot ….sifatida qabul qilinadi. Nuqtalar o’rniga to’g’ri javobni qo’ying.

A) 1 bayt

B) 1 Kb

C) 1 Mb

D) 1 Gb

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7. 1 Kbayt/sek qaysi javobga teng?

A) 1024 Kbit/sek;

B) 1024 bayt/sek;

C) 8 bit/sek

D) 1024 bit/sek;

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8. 64 Gb = ? bayt;

A) 2³⁶

B) 2²⁶

C) 2¹⁶

D) 2²⁰

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9. 1 terabayt (Tb) necha Gb?

A) 2²³

B) 2²⁰

C) 2048

D) 1024

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10. 1 bit/sek qaysi javobga teng?

A) 1 bps

B) 1 Kbayt/sek

C) 1 Kbit/sek

D) 1 bayt/sek

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11. 64 Gb xotira hajmiga ega USB-flesh xotira qurilmasida nechta 1024 bayt hajmga ega bo‘lgan matnli faylni saqlash mumkin?

A) 2¹⁰

B) 2¹¹

C) 2²⁶ ta

D) 2²⁰

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12. Yorug‘lik taxtasiga qizil, yashil va ko‘k rangda yonuvchi lampochkalar o‘rnatilgan. 5 ta lampochka yordamida necha xil signal uzatish mumkinligini aniqlang.

A) 81

B) 32

C) 27

D) 243

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13. 1 kilobayt (Kb) necha bayt?

A) 1024

B) 2²³

C) 2048

D) 2²⁰

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14. 1 megabayt (Mb) necha bit?

A) 2²⁰ bit

B) 2³³ bit

C) 2¹⁰ bit

D) 2²³ bit

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15. Kompyuter xotirasida bitta katakni egallagan jon nima deb yuritiladi?

A) Bit

B) Mbayt

C) Kbayt

D) Bayt

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16. Kodlanayotgan belgilar soni 365 ta bo‘lsa necha bit xotira hajmi kerak bo’ladi?

A) 9

B) 10

C) 8

D) 7

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17. Soniyada uzatiladigan bitlar soni nima deb yuritiladi?

A) bit rate

B) bit range

C) binary rate

D) binary digit

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18. 1 bayt/sek qaysi javobga teng?

A) 1024 bit/sek;

B) 1 bps

C) 8 bit/sek

D) 1024 Kbit/sek;

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19. 1 gigabayt (Gb) necha kilobayt?

A) 2¹⁰ Kb

B) 2²³ Kb

C) 1024 bit

D) 2²⁰ Kb

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20. 1 terabayt (Tb) necha Gb?

A) 2²⁰

B) 2¹⁰

C) 2²³

D) 2²²

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21. 1 bps qaysi javobga teng?

A) 1 Kbayt/sek

B) 1 bit/sek;

C) 1 Kbit/sek

D) 1 bayt/sek

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22. 2 Kb necha bayt?

A) 1024

B) 512

C) 2048

D) 4096

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23. Fayl hajmi –bu?

A) Axborot uzatish tezligining eng kichik o‘lchov birligi.

B) Fayldagi axborotlar hajmi yoki xotirada talab etilayotgan joy o‘lchami.

C) Axborotning eng kichik o‘lchov birligi.

D) Axborotning eng katta o‘lchov birligi.

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24. 1 gigabayt (Gb) necha Mb?

A) 2048

B) 2²³

C) 2²⁰

D) 1024

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25. 512 bayt = ? Kb;

A) 1

B) 1024

C) 2

D) 0.5

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