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

9-sinf I variant.
1.Axborot sekundiga 2,56 MB tezlik bilan uzatilmoqda. 30 minutda qancha axborot uzatiladi? A) 4,5 GB B) 45 GB C) 4,5 MB D) 45 MB
2. Elektron jadvalda B3 : F5 diapozondagi yacheykalar sonini ikkilanganini toping? A) 24 B) 30 C) 20 D) 17
3.Yig‘indining natijasini o‘nlik sanoq sistemasiga o`tkazing: 126,04₈+53,7₈=? A) 101,625 B) 87,375 C) 129,9375 D) 125,972
4.121_x+1=101₇ Tenglamani yeching va ildizini uchlik sanoq sistemasida ifodalang. A) 19 B) 21 C) 20 D) 22
5. 60₈+x=120₇ Tenglamaning ildizini oltilik sanoq sistemasida fodalang. A) 20 B) 21 C) 22 D) 23
6. MS. Excel. Quyidagi formula natijasini aniqlang. =ИЛИ(СТЕПЕНЬ(КОРЕНЬ(9);2^2)=0;МАКС(ABS(-15);10;СУММ(10;15;5))<30) A) 1 B) 0 C) ИСТИНА D) ЛОЖЬ
7.Jon Fleming diodni ixtiro qilganidan 40 yil keyin qaysi mashina ishlab chiqarilgan? A) ENIAC B) Mark-1 C) Elektromexanik rele D) Triod
8.A and B or not(A) ifodaga teng kuchli ifodani toping. A) A˄˥B B) A C) A and B D) ˥A˅B
9.(K and L and M) or (not(L) and not(M) and K)=1 ifoda nechta turli yechimga ega? A) 8 B) 6 C) 2 D) 4
10.Faylning nomi qaysi javobda to‘g‘ri yozilgan. A)‹‹misol››.doc B) misol.doc C) doc?.misol D) misol: doc
11.985₁₆+4515₈ Natijani ikkilik sanoq sistemasida toping. A) 1001011010010 B) 1001011010011 C) 1001011010100 D) 101011010010
12.302_x+1=410₆ Tenglamaning ildizini 4 lik sanoq sistemasiga ifodalang. A) 15 B) 14 C) 13 D) 12

A