9-sinf I variant. Axborot sekundiga 2,56 mb tezlik bilan uzatilmoqda. 30 minutda qancha axborot uzatiladi?

20. Quyidagi dastur lavhasi bajarilganidan so`ng ekranga nima chiqadi. Var s:char; begin for s:=’A’ to ‘E’ do write(‘a’,’ ‘); end;
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21.HTML da qaysi teg so‘z rangini belgilaydi.?
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22.75₁₆ ; 100110₂ ; 89₁₀ ; 134₈ sonlarni kamayish tartibida yozing.
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23. 1918-yilda qaysi elektromexanik mashina ixtiro qilingan– …
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24.Agar disk hajmi 1,83 MB bo`lsa, u holda “9-sinf Informatika va axborot texnologiya fani” iborani diskka necha marta yozish mumkin (qo‘shtirnoqlar hisobga olinsin).
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25.Faylning xususiy nomida qanday belgilar ishlatishi mumkin emas.
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9-sinf II variant.
1.Koordinatalari berilgan A(x,y) va B(x1,y1) ikki uqtaning orasidagi masofani topish uchun paskalda qanday kod yoziladi. A) sqrt(sqr(x-x1)+sqr(y-y1)) B) sqr(sqrt(x-x1)+sqrt(y-y1)) C) sqrt(sqrt(x-x1)+sqrt(y-y1)) D) sqr(sqr(x-x1)+sqr(y-y1))
2.MS. Excelda C2:G9 diapozondagi kataklar sonini 3 taga oshirib chiqaring? A) 35 B) 120 C) 40 D) 43
3.Sakkizlik sanoq sistemasidagi 6254327,5 sonini 16 lik sanoq sistemasida ifodalang. A) 1959D7,B B) 1958D7,A C) 1958D8,C D)1958C7,E
4.125_x+1=105₆ Tenglamaning ildizini 4 lik sanoq sistemasda ifodalang. A) 9 B) 10 C) 11 D) 12
5.MS. Excel. Quyidagi formula natijasini aniqlang. =ИЛИ(СТЕПЕНЬ(5;0)>=1;МАКС(СУММ(5;10);ПРОИЗВЕД(2;5);КОРЕНЬ(900))<30) A) ИСТИНА B) ЛОЖЬ C) 1 D) 0