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C programming

Quiz by Smriti Srivastava

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Q 1/10
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What is the purpose of the 'return' statement in a function in C?
29
To loop through code
To pause the program
To declare variables
To exit the function and optionally return a value

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10 questions

Show answers

Q1
What is the purpose of the 'return' statement in a function in C?
To loop through code
To pause the program
To declare variables
To exit the function and optionally return a value
30s
Q2
What does the 'sizeof' operator return in C?
The number of elements in an array
The size, in bytes, of a data type or variable
The memory address of a variable
The type of a variable
30s
Q3
In C, what is the correct way to declare a function that takes two integers as parameters and returns their sum as an integer?
int add(int a)
int add(int a, int b)
int add(a, b)
void add(int a, int b)
30s
Q4
What function is used to read a string from standard input in C?
printf
gets
fgets
scanf
30s
Q5
What will be the output of the following C code: printf("%d", 10 + 20 / 4);?
20
30
10
15
30s
Q6
Which operator is used to access members of a structure in C?
*
.
->
&
30s
Q7
What is the correct way to allocate memory dynamically for an array of 10 integers in C?
int arr[10];
int *arr = malloc(10);
int *arr = (int *)calloc(10);
int *arr = (int *)malloc(10 * sizeof(int));
30s
Q8
What keyword is used to define a constant value in C?
constant
define
static
const
30s
Q9
What will happen if you try to use an uninitialized pointer in C?
It will point to the stack memory.
It will always point to the first element of an array.
It will automatically be initialized to NULL.
It may lead to undefined behavior.
30s
Q10
Which function is used to terminate a program in C?
terminate
close
exit
stop
30s

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