C Language Quiz (Set 1)

C Language (Set 1)

1 / 10

Which header file should be included to work with dynamic memory allocation functions?

2 / 10

What does the 'scanf' function in C do?

Prints formatted output.

Reads input from the user.

Allocates memory for variables.

Converts strings to integers.

3 / 10

What is the correct syntax for a 'for' loop in C?

for (i = 0; i < n; i++)

for i = 0 to n

for (i = 0; i < n)

for i = 0; i < n; i++

4 / 10

Which operator is used to access the value at a specific index in an array?

[]

5 / 10

What is the output of the following C code?

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

0 1 2 3 4

5 5 5 5 5

1 2 3 4 5

0 1 2 3 4 5

6 / 10

Which C keyword is used to define an enumeration?

enum

enumdef

enumeration

defenum

7 / 10

What is the purpose of the 'sizeof' operator in C?

It calculates the size of an array.

It calculates the size of a variable in bytes.

It calculates the length of a string.

It calculates the size of a pointer.

8 / 10

Which C library function is used to allocate memory for an array?

malloc

allocate

memalloc

create

9 / 10

What is the correct way to initialize an integer variable 'x' with the value 10?

int x = 10;

x = int(10);

x := 10;

x = 10;

10 / 10

In C, which keyword is used to declare a function?

func

method

def

int

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