Care dintre următoarele variante de mai jos, declară corect o variabilă x ce poate memora valori reale?
ELEMENTE DE BAZA ALE LIMBAJULUI C++

Quiz
•
Specialty, Computers
•
10th Grade
•
Hard
Nataly Madan
Used 36+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
float x;
double x;
unsigned float x;
x: float;
x: double;
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Care dintre liniile de program realizează inițializarea corectă a variabilei x la declarare?
int x==2;
x:int=2;
int x=2;
int x 2;
x=2:int;
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre următoarele variante de mai jos definește o constantă simbolică PI cu valoarea 3.14, folosind directive-preprocesor “#define” .
#define 3.14 PI;
#define PI 3.14;
#define float PI 3.14;
#define PI=3.14;
#define float PI=3.14;
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre programele de mai jos nu conțin erori și afișează cuvintele pe câte un rând?
#include <iostream.h>
void main() ;
{cout<<”Program”;
cout<<” \n”<<”simplu”;}
#include <iostream.h>
void main ()
{cout<<”Program \n”;
cout<<”simplu”;}
#include <iostream.h>
void main ()
{cout<<”Program \nsimplu”;
cout<<” \n”;}
#include <iostream.h>
void main ()
{cout<<”Program”;
cout<<simplu”<<” \n”;}
nici unul din programele anterioare.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre valorile de mai jos sunt constante întregi scrise corect ?
123
‐17
+843
0154
‐ ‐ 67
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fie variabilele întregi a=1, b=2, c=3, d=4. Care dintre construcțiile de mai jos sunt expresii scrise corect, cu valoarea zero ?
!d
a+b<d
a*b+c
a=b<c
(a<b) != (b<c)
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Care dintre următoarele afirmații sunt adevărate ?
operatorul de atribuire este " == ";
operatorul care realizează "SAU logic" între două expresii este " || ";
" != " este un operator logic;
a%b reprezintă restul împărțirii întregi a lui a la b;
într‐o expresie, operatorii relaționali se execută înaintea celor aritmetici;
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