علم البيانات | DS2 Quizes – Telegram
علم البيانات | DS2 Quizes
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"قناة علمية متخصصة في مجال علم البيانات، قناة خاصة بالاختبارات MCQ ."
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النقاشات: @Computer_DS1
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true or false:
In a program, global constants are as dangerous as global variables.
Anonymous Quiz
59%
true
41%
false
true or false:
The memory for a static variable remains allocated between function calls
Anonymous Quiz
75%
true
25%
false
🥰1
Which of following is category of simple data type ?
Anonymous Quiz
35%
integral
4%
floating-point
22%
enumeration
39%
all of above
علم البيانات | DS2 Quizes
An inline function is expanded during _.
<هُنا >

الإجابة الصحيحة :
compile-time

الدوال المضمنة (Inline Functions)
تعريفها:
هي دوال صغيرة الحجم يتم تعريفها مباشرة داخل سطر واحد من الكود.
تُستخدَم غالبًا للتعبيرات البسيطة التي لا تتطلب منطقًا معقدًا.
يتم استبدال استدعاء الدالة المضمنة بالكود الخاص بها مباشرة أثناء عملية الترجمة (Compilation)، مما يُحسِّن من أداء البرنامج.
🤔1
default, all the files in c++ are opened in ............mode?
Anonymous Quiz
5%
VTC
82%
Text
4%
Iscll
9%
Binary
4
Which of the following correctly declares an array ?
Anonymous Quiz
3%
array{10}
5%
array array[10]
2%
int array
89%
int array[10]
👍1
Which is more effective while calling the c++ functions?
whine call by ...........
Anonymous Quiz
5%
Object
9%
Pointer
78%
Reference
8%
Value
Which of the following is used to terminate the function prototype in c++?
Anonymous Quiz
82%
;
9%
)
4%
:
5%
All
👍2
An inline function is expanded during ...........?
Anonymous Quiz
11%
End of the program
34%
Run-time
7%
Never expanded
47%
Compile-time
Which of the following is used to move the file pointer to start of a file?
Anonymous Quiz
61%
ios::beg
5%
ios::cur
13%
ios::first
20%
ios::start
1
Which of the following is used to create output stream?
Anonymous Quiz
75%
ofstream
9%
ifstream
15%
iostream
2%
fsstream
Which header file is required to used file 1/0 operations?
<............>
Anonymous Quiz
17%
ifstream
5%
ostream
11%
iostream
66%
fstream
👍2
The data elemets in the structure are known as what?
Anonymous Quiz
5%
Object
72%
Members
8%
Data
15%
Object & Data
👍1
The unary scope resolution operator can not used to access a local variable of the same name in an outer block?
Anonymous Quiz
60%
Tru
40%
False
Overloading maybe preformed more compact and convenient by......?
Anonymous Quiz
55%
Overloading function
30%
function templates
14%
inline function
2%
none
1
All function template definitions begin with the ...........?
Anonymous Quiz
40%
template keyword
31%
template parameter list
18%
template void type
11%
none of them
2👍1
What will be the output of the following c++ program?

#include <iostream> using namespace std; void fun(int z , int y) { x=30; y=20; } int main() { int x = 20; fun(x,x); cout<<x; return 0; }
Anonymous Quiz
6%
10
68%
20
15%
30
11%
Error
1
What will be the output of the following c++ program?

#include <iostream> using namespace std; int main() { for (int i = 4 ; i <= 8 ; i++){ if(i == 7) { continue; } cout<<i; } return 0; }
Anonymous Quiz
8%
45678
13%
4567
77%
4568
2%
4678
1
ماهي مخرجات الكود التالي :
int x = 5;
int y = 10; cout << (x == y)<< (x != y) << endl;
Anonymous Quiz
14%
5 10
52%
0 1
34%
Error
2
👎2
A struct variable can be passed as a parameter ?
Anonymous Quiz
78%
True
22%
False