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7-sinf Informatika №5

Oktabr 21, 2022

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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. Uzlukli axborot yana qanday nomlanadi?

A) Raqamli

B) Analog

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2. Quyidagi sonni yoyiq ko‘rinishda yozing: 7071₈

A) 7 ∙8² + 7 ∙8¹ + 1 ∙ 8⁰

B) 7 ∙8³ + 7 ∙8¹ + 1 ∙ 8⁰

C) 7 ∙8³ + 7 ∙8² + 0 ∙ 8⁰

D) 7 ∙8³ + 7 ∙8² + 0 ∙8¹ + 1 ∙ 8⁰

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3. O‘tkazishlarni bajaring: 11100111₂ = ?₈

A) 347

B) 447

C) 345

D) 357

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4. 17D va AAD butun sonlarni yozish mumkin bo’lgan eng kichik asosli sanoq sestemasidagi shu sonlarni kattasidan kichigini ayrmasini aniqlang

A) 9D0

B) 930

C) AB0

D) CC0

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5. Kodlanayotgan belgilar soni 39 ta bo‘lsa necha bit xotira hajmi kerak bo’ladi?

A) 6

B) 4

C) 7

D) 5

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6. 64 Gb = ? bayt;

A) 2¹⁶

B) 2²⁰

C) 2³⁶

D) 2²⁶

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7. Kodlanayotgan belgilar soni 758 ta bo‘lsa necha bit xotira hajmi kerak bo’ladi?

A) 9

B) 10

C) 20

D) 11

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8. 1 terabayt (Tb) necha Gb?

A) 2²²

B) 2²³

C) 2¹⁰

D) 2²⁰

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9. 1 gigabayt (Gb) necha kilobayt?

A) 1024 bit

B) 2²³ Kb

C) 2²⁰ Kb

D) 2¹⁰ Kb

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10. 128 Mb = ? Gb

A) 1-Aug

B) 7

C) 0.5

D) 128∙2¹⁰

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11. 1 megabayt (Mb) necha Kb?

A) 2048

B) 1024

C) 2²⁰

D) 2²³

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12. 512 bayt = ? Kb;

A) 1024

B) 2

C) 1

D) 0.5

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13. 1 Kbit/sek qaysi javobga teng?

A) 1024 bayt/sek;

B) 1 bayt/sek

C) 1024 bit/sek;

D) 8 bit/sek

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14. 6 Kb = ? bit

A) 8 192

B) 48

C) 49 152

D) 6 144

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15. Bit-bu?

A) Axborotning eng katta o‘lchov birligi.

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

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

D) Axborotning eng kichik o‘lchov birligi.

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16. 1 Kbayt/sek qaysi javobga teng?

A) 8 bit/sek

B) 1024 bit/sek;

C) 1024 Kbit/sek;

D) 1024 bayt/sek;

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17. 26 Gb = ? Mb

A) 2∙2²⁰

B) 26∙2¹³

C) 2600

D) 26∙2¹⁰

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18. 2048 terabayt (Tb) ….

A) 1024 bit

B) 2³³ Kb

C) 2²⁰ Gb

D) 2⁴⁰ Mb

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

A) 243

B) 27

C) 32

D) 81

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20. 1 gigabayt (Gb) necha Mb?

A) 2²²

B) 2²⁰

C) 2²³

D) 2¹⁰

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21. 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 Mb

C) 1 Kb

D) 1 Gb

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22. 1 gigabayt (Gb) necha Mb?

A) 2048

B) 1024

C) 2²⁰

D) 2²³

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23. Bit so’zi qaysi tildan olingan?

A) Fnarsuzcha: binary different

B) Inglizcha: binding digit

C) Inglizcha: bit rate

D) Inglizcha: binary digit

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24. 1 bayt/sek qaysi javobga teng?

A) 1 bps

B) 8 bit/sek

C) 1024 Kbit/sek;

D) 1024 bit/sek;

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25. 1 terabayt (Tb) necha Gb?

A) 2²⁰

B) 2048

C) 2²³

D) 1024

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