Practice Arrays And Strings Multiple Choice Questions Quiz-1

Q.1

Consider the following type definition.

typedef char x[10];
x myArray[5];

What will sizeof(myArray) be ? (Assume one character occupies 1 byte)

15
10
50
30
None of these

Q.2

What will be the correct output of the following program?

#include<string.h>
void main()
{
   char str[] = "C EXAMINATION", rev[17];
   int i = strlen(str), j=0;
   for( ; i>=0; rev[j++] = str[i--])
   rev[j] =  str[j] ;
   puts(rev);
}

NOITANIMAXE C
NOITANIMAXE
C
No output at all.
Syntax error

Q.3

The function sprintf() works like printf(), but operates on ..........

Data file
stderr
string
stdin
no such function in 'C'.

Q.4

String concatenation means -

Combining two strings.
Extracting a substring out of a string.
Partitioning the string into two strings.
Merging two strings.
Comparing the two strings to define the larger one.

Q.5

What will be the output of the program ?

#include<stdio.h>
void main()
{
    printf(5+"Good Morningn");
}

Good Morning
M
Good
Morning
None of these

Q.6

What will be the output of the program ?

#include
#include
void main()
{
    char str[] = "Exam\0Veda";
    printf("%s", str);
}

Exam
Exam Veda
Exam\0Veda
Veda
None of these

Q.7

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}
None of these

Q.8

What is the return value of the following statement if it is placed in C program? strcmp("ABC", "ABC");

33
-1
1
0
Compilation Error

Q.9

int a[5] = {1,2,3}
What is the value of a[4]?

3
1
2
0
Garbage Value

Q.10

If the two strings are identical, then strcmp() function returns

1
0
-1
true
None of these

Q.11

The library function used to find the last occurrence of a character in a string is

laststr()
strstr()
strnstr()
strrchr()
None of these

Q.12

Which of the following function is used to find the first occurrence of a given string in another string?

strchr()
strrchr()
strstr()
strnset()
None of these

Q.13

Which of the following function is more appropriate for reading in a multi-word string?

scanf()
gets()
printf()
puts()
None of these

Q.14

What will be printed after execution of the following code?

void main()
{
      int arr[10] = {1,2,3,4,5};
      printf("%d", arr[5]);
}

Garbage Value
5
6
0
None of these

Q.15

What will be the output of the program ?

#include<stdio.h>
#include<string.h>
void main()
{
    char str1[20] = "Hello", str2[20] = " World";
    printf("%s", strcpy(str2, strcat(str1, str2)));
}

Hello World
World
WorldHello
Hello
None of these

Q.16

What will be the output of the following code?

void main()
{
      int a[10];
      printf("%d %d", a[-1], a[12]);
}

0 0
Garbage value 0
0 Garbage Value
Garbage vlaue Garbage Value
Code will not compile

Q.17

What does the following declaration mean?
int (*ptr)[10];

ptr is array of pointers to 10 integers
ptr is a pointer to an array of 10 integers
ptr is an array of 10 integers
ptr is an pointer to array

Q.18

Array passed as an argument to a function is interpreted as

Address of the array.
Values of the first elements of the array.
Address of the first element of the array.
Number of element of the array.

Q.19

What will be the output of the program if the array begins at 65472 and each integer occupies 2 bytes?

#include
void main()
{
    int a[3][4] = {1, 2, 3, 4, 4, 3, 2, 1, 7, 8, 9, 0};
    printf("%u, %u", a+1, &a+1);
}

65474, 65488
65480, 65488
65480, 65496
65474, 65476
None of these

Q.20

What is the maximum number of dimensions an array in C may have?

2
8
20
50
Theoratically no limit. The only practical limits are memory size and compilers.

Consider the following type definition.

`typedef char x[10]; x myArray[5];`

What will sizeof(myArray) be ? (Assume one character occupies 1 byte)

What will be the correct output of the following program?

`#include<string.h> void main() { char str[] = "C EXAMINATION", rev[17]; int i = strlen(str), j=0; for( ; i>=0; rev[j++] = str[i--]) rev[j] = str[j] ; puts(rev); }`

The function sprintf() works like printf(), but operates on ..........

String concatenation means -

What will be the output of the program ?

`#include<stdio.h> void main() { printf(5+"Good Morningn"); }`

What will be the output of the program ?

`#include #include void main() { char str[] = "Exam\0Veda"; printf("%s", str); }`

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

What is the return value of the following statement if it is placed in C program? strcmp("ABC", "ABC");

int a[5] = {1,2,3}
What is the value of a[4]?

If the two strings are identical, then strcmp() function returns

The library function used to find the last occurrence of a character in a string is

Which of the following function is used to find the first occurrence of a given string in another string?

Which of the following function is more appropriate for reading in a multi-word string?

What will be printed after execution of the following code?

`void main() { int arr[10] = {1,2,3,4,5}; printf("%d", arr[5]); }`

What will be the output of the program ?

`#include<stdio.h> #include<string.h> void main() { char str1[20] = "Hello", str2[20] = " World"; printf("%s", strcpy(str2, strcat(str1, str2))); }`

What will be the output of the following code?

`void main() { int a[10]; printf("%d %d", a[-1], a[12]); }`

What does the following declaration mean?
int (*ptr)[10];

Array passed as an argument to a function is interpreted as

What will be the output of the program if the array begins at 65472 and each integer occupies 2 bytes?

`#include void main() { int a[3][4] = {1, 2, 3, 4, 4, 3, 2, 1, 7, 8, 9, 0}; printf("%u, %u", a+1, &a+1); }`

What is the maximum number of dimensions an array in C may have?

0 h : 0 m : 1 s

Consider the following type definition. typedef char x[10]; x myArray[5]; What will sizeof(myArray) be ? (Assume one character occupies 1 byte)

What will be the correct output of the following program? #include<string.h> void main() { char str[] = "C EXAMINATION", rev[17]; int i = strlen(str), j=0; for( ; i>=0; rev[j++] = str[i--]) rev[j] = str[j] ; puts(rev); }

The function sprintf() works like printf(), but operates on ..........

String concatenation means -

What will be the output of the program ? #include<stdio.h> void main() { printf(5+"Good Morningn"); }

What will be the output of the program ? #include #include void main() { char str[] = "Exam\0Veda"; printf("%s", str); }

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

What is the return value of the following statement if it is placed in C program? strcmp("ABC", "ABC");

int a[5] = {1,2,3} What is the value of a[4]?

If the two strings are identical, then strcmp() function returns

The library function used to find the last occurrence of a character in a string is

Which of the following function is used to find the first occurrence of a given string in another string?

Which of the following function is more appropriate for reading in a multi-word string?

What will be printed after execution of the following code? void main() { int arr[10] = {1,2,3,4,5}; printf("%d", arr[5]); }

What will be the output of the program ? #include<stdio.h> #include<string.h> void main() { char str1[20] = "Hello", str2[20] = " World"; printf("%s", strcpy(str2, strcat(str1, str2))); }

What will be the output of the following code? void main() { int a[10]; printf("%d %d", a[-1], a[12]); }

What does the following declaration mean? int (*ptr)[10];

Array passed as an argument to a function is interpreted as

What will be the output of the program if the array begins at 65472 and each integer occupies 2 bytes? #include void main() { int a[3][4] = {1, 2, 3, 4, 4, 3, 2, 1, 7, 8, 9, 0}; printf("%u, %u", a+1, &a+1); }

What is the maximum number of dimensions an array in C may have?

0 h : 0 m : 1 s

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Consider the following type definition.

`typedef char x[10]; x myArray[5];`

What will sizeof(myArray) be ? (Assume one character occupies 1 byte)

What will be the correct output of the following program?

`#include<string.h> void main() { char str[] = "C EXAMINATION", rev[17]; int i = strlen(str), j=0; for( ; i>=0; rev[j++] = str[i--]) rev[j] = str[j] ; puts(rev); }`

What will be the output of the program ?

`#include<stdio.h> void main() { printf(5+"Good Morningn"); }`

What will be the output of the program ?

`#include #include void main() { char str[] = "Exam\0Veda"; printf("%s", str); }`

int a[5] = {1,2,3}
What is the value of a[4]?

What will be printed after execution of the following code?

`void main() { int arr[10] = {1,2,3,4,5}; printf("%d", arr[5]); }`

What will be the output of the program ?

`#include<stdio.h> #include<string.h> void main() { char str1[20] = "Hello", str2[20] = " World"; printf("%s", strcpy(str2, strcat(str1, str2))); }`

What will be the output of the following code?

`void main() { int a[10]; printf("%d %d", a[-1], a[12]); }`

What does the following declaration mean?
int (*ptr)[10];

What will be the output of the program if the array begins at 65472 and each integer occupies 2 bytes?

`#include void main() { int a[3][4] = {1, 2, 3, 4, 4, 3, 2, 1, 7, 8, 9, 0}; printf("%u, %u", a+1, &a+1); }`