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7-sinf Informatika №5

Oktabr 21, 2022

8 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 uzluksiz axborotga misol bo’la oladi?

A) 1

B) 2

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2. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9; ushbu raqamlar qanday sanoq sistemasi alifbosi elementlari?

A) O’nlik

B) Beshlik

C) Ikkilik

D) To’qqizlik

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3. O‘tkazishlarni bajaring: 33201₄ = ?₁₂

A) 6A9

B) 6AA

C) 6AE

D) BA9

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4. Ikkilik sanoq sistemasida amalni bajaring: 1001₂ – 111₂=?₂

A) 11

B) 10

C) 1

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5. 1 terabayt (Tb) necha Gb?

A) 2²³

B) 2²⁰

C) 2048

D) 1024

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6. 1 Mbit/sek qaysi javobga teng?

A) 1024 Kbit/sek;

B) 8 bit/sek

C) 1024 bayt/sek;

D) 1024 bit/sek;

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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. Bit-bu?

A) Axborotning eng katta o‘lchov birligi.

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

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

D) Axborotning eng kichik o‘lchov birligi.

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9. 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) 243

C) 27

D) 32

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10. 1 gigabayt (Gb) necha kilobayt?

A) 2²³ Kb

B) 2²⁰ Kb

C) 2¹⁰ Kb

D) 1024 bit

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11. Fayllar kompyuterning qaysi qurilmasida saqlanadi?

A) USB yoki Monitor

B) USB yoki Klaviatura

C) HDD yoki USB

D) HHD yoki Sichqoncha

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

A) 8

B) 9

C) 7

D) 10

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13. 128 Mb = ? Gb

A) 128∙2¹⁰

B) 1-Aug

C) 0.5

D) 7

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14. 1 megabayt (Mb) necha bit?

A) 2²³ bit

B) 2¹⁰ bit

C) 2²⁰ bit

D) 2³³ bit

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15. 1 gigabayt (Gb) necha Mb?

A) 2²⁰

B) 2²³

C) 2¹⁰

D) 2²²

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16. 2¹⁰ bayt…

A) 1024 Kb

B) 10 Kb

C) 1 Gb

D) 1 Kb

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17. 64 Gb = ? bayt;

A) 2²⁰

B) 2²⁶

C) 2³⁶

D) 2¹⁶

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18. Kodlanayotgan belgilar soni 200 ta bo‘lsa necha bit xotira hajmi kerak bo’ladi?

A) 7

B) 8

C) 6

D) 5

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19. 1 Mbayt/sek qaysi javobga teng?

A) 1024 Kbit/sek;

B) 1024 Kbayt/sek.

C) 1024 bit/sek;

D) 1024 bayt/sek;

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20. 1 gigabayt (Gb) necha Mb?

A) 2²³

B) 2²⁰

C) 1024

D) 2048

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21. Fayl hajmi –bu?

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

B) Axborotning eng kichik o‘lchov birligi.

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

D) Axborotning eng katta o‘lchov birligi.

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22. 1 bit/sek qaysi javobga teng?

A) 1 bps

B) 1 Kbit/sek

C) 1 bayt/sek

D) 1 Kbayt/sek

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23. 1 bayt/sek qaysi javobga teng?

A) 1024 Kbit/sek;

B) 1024 bit/sek;

C) 8 bit/sek

D) 1 bps

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24. 1 kilobayt (Kb) necha bayt?

A) 2²⁰

B) 2048

C) 1024

D) 2²³

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25. 1024 Mb necha Gb?

A) 1

B) 16

C) 4

D) 512

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