Bilimlar bellashuvi 8 sinf I variant ehm ning birinchi avlodlarida asosiy element nimadan iborat?

17. Fayl nomida … albatta qatnashishi shart.

A) xususiy nom B) kengaytma C) xususiy nom va kengaytma D) barchasi to‘g‘ri

18. MS Excel. A1=–5, B1=6, B2=4 bo‘lsin. Quyidagi formula natijasi –24 bo‘lishi uchun A2 katakka kiritish zarur bo‘lgan qiymatni aniqlang:

=ЕСЛИ(ИЛИ(A1+B2>=A2*B1;A1*B1>0);A1*B2–B1–A2;A1*B1+B2+A2)

A) –1 B) 4 C) 2 D) 0

19. (ABC)  (BCA) = 1 tenglama nechta turli yechimga ega?

A) 8 B) 6 C) 2 D) 4

20. MS Excel. Quyidagi formula natijasini aniqlang: =ЗНАК(–1256)+МИН(15;16;17).

A) 14 B) 13 C) 1271 D) –1241

21.  (90(X–1)) mulohaza rost bo‘ladigan X ning eng katta butun qiymati nechaga teng? Javob:

____________________________________________________________________

22. O‘nlik sanoq sistemasidagi 59 soni qaysidir sanoq sistemasida 214 soniga ekvivalent. Shu sanoq sistemasi asosini aniqlang. Javob:

____________________________________________________________________

23. Sakkizlik sanoq sistemasidagi 70026015 sonni o‘n oltilik sanoq sistemasiga o‘tkazing.

Javob: ____________________________________________________________________

24. A  B  D =  (A  D) tenglik o‘rinli bo‘ladigan (A, B, D) uchliklar sonini aniqlang.

Javob:

____________________________________________________________________

25. Agar A1=2, B3=3 bo‘lsa,Е5 yacheykada “=МАКС(4*A1;B3*A1;5;12)” formula bilan berilgan natijani toping. Javob:

____________________________________________________________________

26. В9 yacheykani “=$A1*B$3” formula bilan C10 yacheykaga ko‘chirish natijasida nima hosil bo‘ladi?Javob:

____________________________________________________________________