C Language Quiz (Set 4)

C Language (Set 4)

1 / 10

Which C library function is used to perform memory allocation and deallocation operations?

memoryalloc

malloc

memalloc

memmanip

2 / 10

What is the result of the expression 'sizeof(int)' in C?

Depends on the system architecture.

3 / 10

What is the purpose of the 'extern' keyword in C?

To declare a variable as global.

To define a new data type.

To indicate the end of a loop.

To declare a variable that is defined in another file.

4 / 10

Which C function is used to close an open file?

fclose

closefile

endfile

terminatefile

5 / 10

What is the purpose of the 'goto' statement in C?

To jump to a specific location in the code.

To end a loop.

To define a new function.

To print output.

6 / 10

Which operator is used to declare a pointer in C?

7 / 10

What is the purpose of the 'volatile' keyword in C?

To define a variable that cannot be modified.

To create a pointer to a variable.

To indicate that a variable can be changed unexpectedly.

To include a header file.

8 / 10

Which C library function is used to find the smallest integer greater than or equal to a given value?

floor

round

ceil

truncate

9 / 10

What is the purpose of the 'auto' keyword in C?

To declare an automatic variable.

To define a variable with automatic memory allocation.

To include a header file.

To declare a variable as global.

10 / 10

What is the output of the following C code?

\n\n```c\n#include <stdio.h>\nint main() {\n int x = 5;\n printf(\"%d\", ++x);\n return 0;\n}```

undefined

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