Informatika Testlar Variant 1

S:=0; For n:=1 to 100 do S:=S+x mod 2;

A) to‘g‘ri javob yo‘q B) 50 C) 5050 D) 100

5. Qaysi mantiqiy ifoda A  (A  B) ifodaga teng kuchli?

A) A   B

B) A

C) A  B

D)  A  B

6. X sonining qaysi qiymati uchun  ((X>3)  (X<3))  (X<1) mulohaza rost qiymat qabul qiladi?

A) 1 B) 2 C) 3 D) 4

7. Qaysi mantiqiy ifoda  (A  B)   C ifodaga teng kuchli?

A)  A  B   C B) ( A   B)   C C) ( A   B)  C D)  A   B   C

8. Quyidagi dastur lavhasi bajarilgandan keyin S o‘zgaruvchining qiymatini aniqlang:

s:=0; s:=s+Frac(122.500); s:=s+Frac(–122.5000); write(s:0:2);

A)

1.00

B)

0.00

C)

245

D)

245.00

9. Agar disk hajmi 1,83 Mb bo‘lsa, u holda “Navro‘z bahor bayrami” iborani diskka necha marta yozish mumkin (qo‘shtirnoqlar hisobga olinmasin)?

A) 91376 B) 731007 C) 91375 D) 731008