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7-sinf Informatika №5

Oktabr 21, 2022

62 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. Uzluksiz axborot yana qanday nomlanadi?

A) Diskret

B) Analog

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2. 0, 1, 2, 3, 4, 5, ushbu raqamlar qanday sanoq sistemasi alifbosi elementlari?

A) Oltilik

B) To’qqizlik

C) Beshlik

D) O’n oltilik

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3. O‘tkazishlarni bajaring: 6574₉ = ?₁₃

A) 228A

B) A28A

C) 2E8A

D) 38A

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4. Ikkilik sanoq sistemasida amalni bajaring: 1100001₂+1111101₂=?₂

A) 10110101

B) 10000101

C) 10010100

D) 10010101

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

A) 7

B) 9

C) 10

D) 8

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6. 1 bps qaysi javobga teng?

A) 1 Kbit/sek

B) 1 bit/sek;

C) 1 Kbayt/sek

D) 1 bayt/sek

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7. 1 gigabayt (Gb) necha kilobayt?

A) 2¹⁰ Kb

B) 2²⁰ Kb

C) 2²³ Kb

D) 1024 bit

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8. 1 gigabayt (Gb) necha Mb?

A) 1024

B) 2²⁰

C) 2²³

D) 2048

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9. Fayllar kompyuterning qaysi qurilmasida saqlanadi?

A) HHD yoki Sichqoncha

B) USB yoki Klaviatura

C) USB yoki Monitor

D) HDD yoki USB

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10. 26 Gb = ? Mb

A) 26∙2¹⁰

B) 2∙2²⁰

C) 26∙2¹³

D) 2600

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11. 1 bayt/sek qaysi javobga teng?

A) 8 bit/sek

B) 1 bps

C) 1024 Kbit/sek;

D) 1024 bit/sek;

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12. 1 gigabayt (Gb) necha Mb?

A) 2²⁰

B) 2²²

C) 2¹⁰

D) 2²³

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13. Bit so’zi qaysi tildan olingan?

A) Fnarsuzcha: binary different

B) Inglizcha: binary digit

C) Inglizcha: bit rate

D) Inglizcha: binding digit

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14. 1 kilobayt (Kb) necha bayt?

A) 2¹⁰

B) 2²²

C) 2²⁰

D) 2²³

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15. Fayl hajmi –bu?

A) Axborotning eng katta o‘lchov birligi.

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

C) Axborotning eng kichik o‘lchov birligi.

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

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16. 64 Gb = ? bayt;

A) 2²⁶

B) 2¹⁶

C) 2³⁶

D) 2²⁰

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17. 2048 terabayt (Tb) ….

A) 1024 bit

B) 2³³ Kb

C) 2⁴⁰ Mb

D) 2²⁰ Gb

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18. 512 bayt = ? Kb;

A) 2

B) 1

C) 1024

D) 0.5

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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) 81

C) 27

D) 32

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20. 1 bit/sek qaysi javobga teng?

A) 1 Kbayt/sek

B) 1 bayt/sek

C) 1 bps

D) 1 Kbit/sek

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21. 1 Mbayt/sek qaysi javobga teng?

A) 1024 Kbayt/sek.

B) 1024 bit/sek;

C) 1024 Kbit/sek;

D) 1024 bayt/sek;

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22. 1 megabayt (Mb) necha Kb?

A) 2²³

B) 1024

C) 2048

D) 2²⁰

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

A) 6

B) 5

C) 4

D) 7

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24. Soniyada uzatiladigan bitlar soni odatda qanday belgilanadi?

A) bit (binary digit)

B) bts (bit digit second)

C) To’g’ri javob yo’q

D) bps (bit per second)

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25. 1 megabayt (Mb) necha Kb?

A) 2²²

B) 2²³

C) 2¹⁰

D) 2²⁰

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