2000+ C-and-c- Questions - Set 348 [With Solutions]

C-and-c- Questions Set 348:

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C-and-c- Questions

Set 348/353

Exceptions are Caught at ?

Compilation Time

Run Time

Linking Time

x=x|1<<n;

Sets nth bit

Sets n+1 th bit

Unsets n+1 th bit

Toggle n+1 th bit

What does the `cerr` represent?

Standard error stream

Standard logging stream

Input stream

Output stream

GCC (GNU Compiler Collection) is known as ________.

GNU C compiler

Generic C compiler

GDB C compiler

None of the above

The range of the long long int data type in C is

-(2^63-1) to 2^63-1

-(2^64-1) to 2^64-1

-(2^62-1) to 2^62-1

-(2^65-1) to 2^65-1

What happens when the zero flag is used with left justification?

The data is padded with zeros

The zero flag is ignored

It will give an error

The data is padded with blank spaces

What is a void pointer?

A pointer of any type has such a reserved value

A pointer that points to some data location in storage, which doesn't have any specific type.

Both (2) & (3)

A pointer which don't have address to be assigned to a pointer

Which of the following is used to make an abstract class?

Declaring it abstract using static keyword.

Declaring it abstract using virtual keyword.

Making at least one member function as virtual function.

Making at least one member function as pure virtual function.

The difference between a variable named 'x' and the character 'x' is?

The first one refers to a variable whose identifier is x, and the second one refers to the character constant 'x'.

The first one is a character constant 'x' and the second one is the string literal 'x'.

Both are the same.

Both are string literals.

When is a switch statement better than an if statement?

If you have one condition to check on single variable or a single expression

If you have more than one condition to check on any variable or any single expression

If you have more than one condition to check on more than one variable or more than one expression

If you have more than one condition to check on single variable or a single expression

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C-and-c- Questions Set 348:

C-and-c- Questions

Exceptions are Caught at ?

Reveal Answer

Reveal Answer

x=x|1<<n;

Reveal Answer

Reveal Answer

What does the cerr represent?

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Reveal Answer

GCC (GNU Compiler Collection) is known as ________.

Reveal Answer

Reveal Answer

The range of the long long int data type in C is

Reveal Answer

Reveal Answer

What happens when the zero flag is used with left justification?

Reveal Answer

Reveal Answer

What is a void pointer?

Reveal Answer

Reveal Answer

Which of the following is used to make an abstract class?

Reveal Answer

Reveal Answer

The difference between a variable named 'x' and the character 'x' is?

Reveal Answer

Reveal Answer

When is a switch statement better than an if statement?

Reveal Answer

Reveal Answer

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What does the `cerr` represent?