2000+ C-and-c- Questions - Set 332 [With Solutions]

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C-and-c- Questions Set 332:

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C-and-c- Questions

Set 332/342

Which operator is used to insert data into a file?

The minimum number of temporary variables needed to swap the contents of two variables is:

Which data type is best suited to represent logical values (true or false)?

integer

boolean

character

float

Which function is used to check whether a character is punctuation mark?

isxdigit()

isprint()

iscntrl()

ispunct()

If several elements are competing for the same bucket in the hash table, what is it called?

Diffusion

Replication

Collision

What is the correct syntax to access the member b of the ith structure in the array of structures `s`?

s.b.[i]

s.[i].b

s.b[i]

s[i].b

Which C++ operators are part of RTTI (Runtime Type Information)?

dynamic_cast()

typeid

Both dynamic_cast<> and typeid

dynamic_cast[]

What will be the output of the following C++ code?

void main(){

      do{

             cout<<"C++";

     }while (!0&&!1);

}

The code will print "C++" once.

The code will print "C++" infinitely.

The code will not print anything.

The code will print "C++" twice.

Importance of the "auto" storage class specifier

Automatically initializes a variable to NULL

Automatically initializes a variable to 0

Automatically increments the variable when used

Indicates that a variable's memory space is allocated upon entry into the block

Indicates that a variable's memory will automatically be preserved

What is the main difference between the structure and the class in C++?

i) class can support inheritance and allow subclasses, the structure does not support inheritance.

iv) class is the default by private, while the structure is a default by public

ii) Both are same

iii) class can support inheritance. Similarly, the structure can also support inheritance

i) and iv) only

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Qn. Sets

C-and-c- Questions Set 332:

C-and-c- Questions

Which operator is used to insert data into a file?

Reveal Answer

Reveal Answer

The minimum number of temporary variables needed to swap the contents of two variables is:

Reveal Answer

Reveal Answer

Which data type is best suited to represent logical values (true or false)?

Reveal Answer

Reveal Answer

Which function is used to check whether a character is punctuation mark?

Reveal Answer

Reveal Answer

If several elements are competing for the same bucket in the hash table, what is it called?

Reveal Answer

Reveal Answer

What is the correct syntax to access the member b of the ith structure in the array of structures s?

Reveal Answer

Reveal Answer

Which C++ operators are part of RTTI (Runtime Type Information)?

Reveal Answer

Reveal Answer

What will be the output of the following C++ code? void main(){ do{ cout<<"C++"; }while (!0&&!1); }

Reveal Answer

Reveal Answer

Importance of the "auto" storage class specifier

Reveal Answer

Reveal Answer

What is the main difference between the structure and the class in C++?

Reveal Answer

Reveal Answer

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Related Topics:

What is the correct syntax to access the member b of the ith structure in the array of structures `s`?

What will be the output of the following C++ code?

void main(){

do{

cout<<"C++";

}while (!0&&!1);

}