Informatika va axborot texnologiyalari fanidan test savollari

173. Dasturni kompilyasiya qilishda qaysi tugmalar ishlatiladi.
A) alt+f5 *B) alt+f9 C) F5 D ) Ctrl+F9
174. lg |Ax| ni Paskal tilida to‘g‘ri yozilishini ko‘rsating.
A) lg(abs(A*x)) B) ln(abs(A*x)) *C) ln(abs(A*x))/ln(10) D) LN(abs(A*x)*exp(A*x))
175. log_ab ni Paskal tilida to‘g‘ri yozilishini ko‘rsating.
A) lg(abs(A*x)) B) ln(abs(A*x)) C) ln(abs(A*x))/ln(10) *D) LN(b)/Ln(a)
176. Quyidagilarning qaysi birining natijasi true. Bu erda a=6, v=2
*A) (a>5) and (b<3) B) (a>18)or(b<3) C) (a>15)and(b<5) D) (a>10)and(b<3)
177. Hisoblang: 63₈+37₈=?
A) 122₈ B) 120₈ C) 132₈ D) 123₈
178. Ushbu x/cosx-sinx(1-xy) ifodani Paskal tilida to‘g‘ri yozilishini ko‘rsating.
A) x/cos(x)-sinx(1-xy) B) x/cosx-sin(x)(1-x*y) *C) x/cos(x)-sin(x)*(1-x*y) D) x/cos(x)-sin(x)*(1+x*y)
179. Tanlash Case k=12 of operatori bajarilishida natija nimaga teng bo‘ladi.
10: Y:=sin(x)+5;
11: y:=cos(x);
12: y:=sin(x)/cos(x);
End; writeln(y); x=pi/4;
A) -1 B) 0 C) 5.5 *D) 1
180. Takrorlanuvchi (siklik) jarayondagi
............ .repeat m ssikl tanasi Until b; ko‘rinishi qanday jarayonni ifodalaydi.
*B) sharti oxirida tekshiriladigan
81. Paskal dsturlash tilidagi qaysi bo‘lim BEGIN so‘zidan boshlanib END so‘zi bilan yakunlanadi.
*A) operatorlar bo‘limi
182. Dasturdagi satrlardan birini bajarilishini tanlashda qaysi operator ishlatiladi.
A) OF *B) case C) else D) to‘g‘ri javob yo‘q
184. Ushbu mantiqiy ifoda (x+2>y) and (x<6) or not (y>x) and (x+y-5>0) bajarilishidan so‘ng natija qanday bo‘ladi. Bu erda x=1; y=5.
A) false B) true C) 25 D) A va C javoblar to‘g‘ri
185. Paskal tilida yozing log₅8= . . .
A) lg5/lg7 *B) ln(8)/ln(5) C) ln5/ln7 D) lg8/lg5
186. Paskal dasturlash tilida “xizmatchi so‘zlar” deganda nima tushiniladi.
A) rus va lotin xarflar B) standart nom C) maxsus belgilar D) xaqiqiy ifodalar
187. Frac (6.25) ni qiymati nimaga teng bo‘ladi..
A) 6 B) 0.5 C) 3 D) 0.25
188. Ushbu ifodaning n:=19 div (2+4)-2 qiymati nimaga teng bo‘ladi.
A) 11.5 B) 2 C) 1 *D) to‘g‘ri javob yo‘q