Test c++ (beginner) Savollar soni – 100 ta

TEST C++ (BEGINNER)
Savollar soni – 100 ta

1. Quyidagi ifodaning qiymati int x ning qaysi qiymatlari to'g'ri ekanligini ko'rsating: x<3 && x<=5 || x>4

1. 
   
   
2. 
   
   
3. 
   
   
4. 
   x=6
   

2.Quyidagi ifodaning qiymatini aniqlang: 3 + 15 / 3 * 5

1. 
   30
   
2. 
   1.2
   
3. 
   28
   
4. 
   2.8
   

3. Quyidagi dastur kodi bajarilganida ekranda qanday natija paydo bo’ladi?

int x = 3;
if ( x > 7 | | x < 5 )
if ( x < 6 && x > 1 )
if ( ( x > 2 ) )
printf ( “ 1 ” );
else printf ( “ 2 ” );
else printf ( “ 3 ” );
else printf ( “ 4 ” );

1. 
   14
   
2. 
   1
   
3. 
   Hech narsa chiqmaydi
   
4. 
   3
   

4. Quyidagi dastur kodi bajarilganida ekranda qanday natija paydo bo’ladi?

int x = 5;
if ( x < 2 | | x > 4 )
if ( x > 4 && x <6 )
if ( !( x < 5 ) )
printf ( “ 1 ” );
else printf ( “ 2 ” );
else printf ( “ 3 ” );
else printf ( “ 4 ” );

1. 
   1
   
2. 
   2
   
3. 
   4
   
4. 
   5
   

5. Quyidagi dastur kodi bajarilganida ekranda qanday natija paydo bo’ladi?
int x=1, y=3;
if (--x && ++y) y+=3;
cout<<”\n x+y=”<

1. 
   x+y=7
   
2. 
   x+y=3
   
3. 
   x+y=4
   
4. 
   x+y=5
   

6. Quyidagi dastur kodi bajarilganida ekranda qanday natija paydo bo’ladi?

1. 
   x+y=6
   
2. 
   x+y=7
   
3. 
   x+y= 4
   
4. 
   x+y= 8
   

7. Quyidagi dastur kodi bajarilganida ekranda qanday natija paydo bo’ladi?

int x=1, y=3;
if (x++ && y++) y+=2;
cout<<”\n x+y=”<

1. 
   x+y=8
   
2. 
   x+y=4
   
3. 
   x+y=7
   
4. 
   x+y= 3
   

8. 
   Y=math.round(x) bo`lsa (x tipi float), y tipini aniqlang ?
   
   1. 
      char
      
   2. 
      float
      
   3. 
      int+2
      
   4. 
      int
      

9. 
   C++ da y=i++ bo`lsa, y ning qiymatini toping (i=1) ?
   

1. 
   1
   
2. 
   2
   
3. 
   3
   
4. 
   4
   

9. 
   C++ da x||y amalning qiymati qachon 1 ga teng bo`ladi?
   

1. 
   x=1 yoki y=1
   
2. 
   x=0 yoki y=1
   
3. 
   x=1 yokiy=0
   
4. 
   x=0 yoki y=0
   

9. 
   C++ da x&&y amalning qiymati qachon 1 ga teng bo`ladi?
   

1. 
   x=0 va y=0
   
2. 
   x=0.5 va y=0.5
   
3. 
   x=1 va y=1
   
4. 
   x=0 va y=1
   

9. 
   C++ da !x amalning qiymati qachon 1 ga teng bo`ladi?
   

1. 
   x=1
   
2. 
   x=0
   
3. 
   x=0.5
   
4. 
   x=2
   

9. 
   teng kuchli ifodani aniqlang ?
   

1. 
   x=1+ va x--
   
2. 
   x=+1 va x=x+1
   
3. 
   x=1+ va x++
   
4. 
   x+=1 va x++
   

9. 
   float x=.5; int y=5; da x+y ning natijasi qanday ?
   

a) 5
b) Ularni qo`shish mumkinmas
c) 5.5
d) 4

9. 
   float x=.5; int y=5; da ((int) x+y) ning natijasi qanday ?
   

a) 5
b) Ularni qo`shish mumkinmas
c) 5.5
d) 6

9. 
   int a; cin>>a; cout<

1. 
   3
   
2. 
   5
   
3. 
   4
   
4. 
   6
   

9. 
   int a; cin>>a; cout<<++a; ekranga qanday natija chiqadi (a=5)?
   

1. 
   2
   
2. 
   5
   
3. 
   6
   
4. 
   4
   

9. 
   int a; cin>>a; cout<<--a; ekranga qanday natija chiqadi (a=5)?
   

1. 
   4
   
2. 
   6
   
3. 
   5
   
4. 
   7
   

9. 
   int a; cin>>a; cout<

1. 
   6
   
2. 
   5
   
3. 
   4
   
4. 
   3
   

9. 
   float a=.25; int b=45; cout<

1. 
   45
   
2. 
   45.25
   
3. 
   25.45
   
4. 
   2545
   

9. 
   float a=.25; int b=45; cout<<(int) a+b; ekranga qanday natija chiqadi ?
   

1. 
   45
   
2. 
   45.25
   
3. 
   25.45
   
4. 
   25
   

9. 
   float a=.25; int b=45; cout<<(float) a+b; ekranga qanday natija chiqadi ?
   

1. 
   45.25
   
2. 
   45
   
3. 
   25.45
   
4. 
   15
   

9. 
   int a,b; a = 2; b = 11 / a + 0.5; bo`lsa, b ni qiymatini toping ?
   

1. 
   4
   
2. 
   6
   
3. 
   5
   
4. 
   3
   

9. 
   a = 2; b = 11 / a + 0.5; bo`lsa, b ni qiymatini toping ?
   
   1. 
      7
      
   2. 
      5
      
   3. 
      4
      
   4. 
      6