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7-sinf Informatika №5

Oktabr 21, 2022

26 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. Pozitsiyali sanoq sistemalarida sonlarni yozishning qanday usullari bor?

A) Barcha javob to’g’ri

B) Yoyiq

C) Ixcham

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3. O‘tkazishlarni bajaring: 33201₄ = ?₁₂

A) BA9

B) 6AA

C) 6A9

D) 6AE

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4. Ikkilik sanoq sistemasida amalni bajaring: 1101₂ ∙ 110₂=?₂

A) 1001100

B) 1011110

C) 1111110

D) 1001110

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5. 64 Gb = ? bayt;

A) 2³⁶

B) 2¹⁶

C) 2²⁰

D) 2²⁶

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6. 1024 Mb necha Gb?

A) 4

B) 1

C) 512

D) 16

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7. 2048 terabayt (Tb) ….

A) 1024 bit

B) 2⁴⁰ Mb

C) 2³³ Kb

D) 2²⁰ Gb

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8. Bit so’zi qanday ma’noni anglatadi?

A) Eng kichik o’lcham

B) Ikkilik raqamlari

C) Kop’ raqamlar

D) Axborot miqdori

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9. Fayl hajmi –bu?

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

B) Axborotning eng katta 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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10. 1 Mbayt/sek qaysi javobga teng?

A) 1024 bayt/sek;

B) 1024 bit/sek;

C) 1024 Kbayt/sek.

D) 1024 Kbit/sek;

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11. 1 megabayt (Mb) necha bit?

A) 2¹⁰ bit

B) 2²⁰ bit

C) 2²³ bit

D) 2³³ bit

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12. 1 Mbit/sek qaysi javobga teng?

A) 1024 bayt/sek;

B) 1024 bit/sek;

C) 1024 Kbit/sek;

D) 8 bit/sek

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13. 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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14. 1 kilobayt (Kb) necha bayt?

A) 2²³

B) 2²⁰

C) 1024

D) 2048

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15. 512 bayt = ? Kb;

A) 1024

B) 0.5

C) 2

D) 1

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16. 1 megabayt (Mb) necha Kb?

A) 2²³

B) 2²⁰

C) 2²²

D) 2¹⁰

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17. Soniyada uzatiladigan bitlar soni odatda qanday belgilanadi?

A) To’g’ri javob yo’q

B) bts (bit digit second)

C) bit (binary digit)

D) bps (bit per second)

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18. 99 bayt = ? bit

A) 101 376

B) 990

C) 99

D) 792

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

A) 9

B) 11

C) 20

D) 10

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20. 1 kilobayt (Kb) necha bayt?

A) 2²⁰

B) 2²³

C) 2²²

D) 2¹⁰

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21. 1 bayt necha bit?

A) 8 bit;

B) 1 bit;

C) 10 bit;

D) 1024 bit;

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22. 1 terabayt (Tb) necha Gb?

A) 2²³

B) 1024

C) 2048

D) 2²⁰

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23. Bit so’zi qaysi tildan olingan?

A) Inglizcha: binary digit

B) Fnarsuzcha: binary different

C) Inglizcha: binding digit

D) Inglizcha: bit rate

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

A) 7

B) 6

C) 5

D) 8

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25. 1 Kbit/sek qaysi javobga teng?

A) 1024 bit/sek;

B) 1024 bayt/sek;

C) 8 bit/sek

D) 1 bayt/sek

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