CPR_Quiz_Arrays and strings

What is right way to Initialize array?

• int num[6] = { 2, 4, 12, 5, 45, 5 };

• int n{} = { 2, 4, 12, 5, 45, 5 };

• int n{6} = { 2, 4, 12 };

• int n(6) = { 2, 4, 12, 5, 45, 5 };

An array elements are always stored in ________ memory locations.

• sequential

• Random

• Sequential and Random

• None of the above

what will be printed after Execution of the following program

void main()

{

int a[5]={11,13,56,20,5};

printf("%d",a[2]);

}

• garbage value

• 13

• 56

• 20

if two strings are identical then function strcmp() returns

• 0

• -1

• true

• none of these

what will be the output of the program?

#include <stdio.h>

#include<string .h>

void main()

{

char str1[20]="Hello",str2="world";

strcat(str1,str2);

puts(str1);

return 0;

}

• Hello

• world

• Helloworld

• none of the above

8.Which of the following correctly accesses the seventh element stored in arr, an array with 100 elements?

• arr[6]

• arr[7]

• arr{6}

• arr{7}

string concatenation means?

• combining two strings.

• Extracting a sub string out of a string.

• Partitioning the string into two strings.

• Merging two strings.

What is a String in C Language.?

• String is a new Data Type in C

• String is an array of Characters with null character as the last element of array.

• String is an array of Characters with null character as the first element of array

• String is an array of Integers with 0 as the last element of array

What is the output of C Program with Strings.?

int main()

{

char str[]={'g','l','o','b','e'};

printf("%s",str);

return 0;

}

• g

• globe

• globe\0

• None of the above

An array Index starts with.?

• -1

• 0

• 1

• 2