C Programming Quiz unit 2

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

• for (initialization; condition; increment) { ... }

• for (condition; initialization; increment) { ... }

• for initialization; condition; increment { ... }

• for (initialization condition increment) { ... }

How many times will the following loop execute? c int i = 0; while (i < 5) { i++; }

• 4

• 5

• 6

• Infinite loop

Which statement should be used to skip the current iteration in a loop in C?

• break;

• continue;

• goto;

• exit;

What will be the output for the following code? c for(int i=1; i<=3; i++) { for(int j=1; j<=i; j++) { printf("*"); } printf("\n"); }

• text *** *** ***

• text * ** ***

• text * * *

• text ** *** ****

What is the valid declaration for a 2D integer array with 3 rows and 4 columns?

• int arr[3][4];

• int arr[4][3];

• int arr[3];

• int arr[4];

How is the address of arr[i][j] in a 2D array (row-major order) calculated (assuming array is declared as int arr[M][N];)

• base_address + (i*N + j) * sizeof(int)

• base_address + (j*M + i) * sizeof(int)

• base_address + (j*N + i) * sizeof(int)

• base_address + (i*M + j) * sizeof(int)

Which of the following correctly initializes a string in C?

• char str[] = "Hello";

• char str = "Hello";

• Both A and B

• char str = "Hello";

Which function is used to copy one string into another in C?

• strcpy()

• strcat()

• strcmp()

• strlen()

What is the correct syntax for declaring a function that takes two integers and returns an integer?

• int func(int a, int b);

• func int(int a, int b);

• int func(a, b);

• function int func(int, int);

Which of the following is true about recursion in C?

• The function must call itself

• Base case is not required

• Recursion can replace loops in all cases

• Cannot use parameters with recursion