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

B
?
1	1	0
1	0	1
0	1	1
0	0	1

13.? belgisi o‘rniga qanday mantiqiy ifoda bo‘lishi kerak

A) A and B B) A and B C) not(not(A and B)) D) not(A and B)

14.2; …; 8; …; 32; …; 128. Nuqtalar o‘rniga qo‘yish mumkin bo‘lgan sonlarning yig‘indisini 16 lik sanoq sistemasiga o‘tkazing.
A) 1C B) 2A C) 64 D) 54
15. + Ifodaning qiymatini ikkilik sanoq sistemasida hisoblang.
A) 1101 B) 1100 C) 1011 D) 1001
16.2727₁₀ va 2163₈ sonlar ayirmasini hisoblang. Natijani 2 lik sanoq sistemasida ifodalang. A) 11001010100 B) 11000011100 C) 11000110100 D) 11001110110
17.MS. Excelda =СРЗНАЧ(СУММ(20;11);КОРЕНЬ(100);ПРОИЗВЕД(2;2;3);7) funksiyaning qiymatini toping.
A) 19 B) 18 C) 16 D) 15
18.Dastur matnining belgilangan qismi nusxasini bufer-xotiraga olish uchun qaysi klavishlar birgalikda bosiladi. A) Shift+Insert B) Ctrl+Insert C) Shift+Delete D) Shift
19.Dastur ishga tushirilganda ekranga nima chiqadi. Var s : real; Begin S:=0; s:=s+trunc(-159.100); s:=s+trunc(-159.100); end.
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