QUIZ ON : JAVA - ARRAYS

ARRAYS

00:00:00

Question No# : 01 out of 32

Till the array elements are not given any specific value, they are supposed to contain all

A. Zero

B. Garbage value

C. One

D. Combination of zero and one

Question No# : 02 out of 32

The value of S[5] in the segment char s[15] = “ MICROPROCESSOR” is

A. P

B. O

C. R

D. None of the above

Question No# : 03 out of 32

The best case and worst case time for searching an element using linear search is 1, n.

A. TRUE

B. FALSE

Question No# : 04 out of 32

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

A. -1

B. 1

C. 0

D. Yes

Question No# : 05 out of 32

Disadvantage of array in C is

A. We can easily access each element

B. It is necessary to declare too many variables

C. It can store only one similar type of data

D. It is difficult to perform sorting operation on it

Question No# : 06 out of 32

If the first string and the second string both are identical, then strcmp function returns

A. a value of 0

B. either 1 or 0

C. a value of 1

D. any positive integer

Question No# : 07 out of 32

If array is initialized where it is declared, then mentioning __________ of array is optional.

A. Data type

B. Dimension

C. name

D. Data type and Dimension

Question No# : 08 out of 32

What will be the output of the following code segment if Hello there is given as input?

char a[20];

scanf("%s", a);

printf("%s", a);

A. Hello there

B. Hello

C. "Hello there"

D. "Hello"

Question No# : 09 out of 32

The best average SORTING behavior is shown by merge sort.

A. TRUE

B. FALSE

Question No# : 10 out of 32

When we declare an array

A. Compiler declare array name itself as a constant pointer to base address

B. A continuous file is allocated to store the elements value

C. Index of elements is declared automatically

D. All elements are initialized to zero

Question No# : 11 out of 32

Two dimensional array is stored in memory physically as one-dimensional array.

A. TRUE

B. FALSE

Question No# : 12 out of 32

Consider the statement given below:

int a[5] = {1, 2, 3, 4, 5}, *p = a;

Which printf statement will print the value of fourth element of the array?

A. printf("%d ", *(p + 3));

B. printf("%d", p[4]);

C. printf("%d ", a + 3);

D. printf("%d ", *a + 3);

Question No# : 13 out of 32

Set of values of the same type, which have a single name followed by an index is called

A. function

B. structure

C. array

D. union

Question No# : 14 out of 32

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

A. strchr( )

B. strrchr( )

C. strstr( )

D. strnset( )

Question No# : 15 out of 32

The index of an array starts from 1.

A. TRUE

B. FALSE

Question No# : 16 out of 32

________ is a derived data type.

A. Array

B. INT

C. FLOAT

D. CHAR

Question No# : 17 out of 32

What will happen if an element is assigned a value to an element of an array whose subscript exceeds the size of the array

A. It will not be allowed, but no error message will be generated

B. Compiler will generate an error message suggesting the same

C. The element will be assigned NULL VALUE.

D. Some other data may be overwritten

Question No# : 18 out of 32

What is the effect of the following code?

main() { int a[4] = {25, 16};

printf(“%d %d”, a[0] & a[1], a[1]|a[2]) ; }

A. 16 16

B. Syntax error because of invalid operator symbol

C. 25 16

D. Syntax error because of invalid array initialization

Question No# : 19 out of 32

The string "Bilbo Baggins", may be stored in an array of 13 characters.

A. TRUE

B. FALSE

Question No# : 20 out of 32

In ‘C’, the compiler does not check if the subscript used for an array exceeds size of the array.

A. TRUE

B. FALSE

Question No# : 21 out of 32

There is no difference between '' and '0'.

A. TRUE

B. FALSE

Question No# : 22 out of 32

Bounds of the array index are checked during execution.

A. TRUE

B. FALSE

Question No# : 23 out of 32

At the time of initialization of an array, dimension of the array need not to be specified.

A. TRUE

B. FALSE

Question No# : 24 out of 32

If the two strings are found to be unequal then strcmp returns difference between the first non-matching pair of characters.

A. TRUE

B. FALSE

Question No# : 25 out of 32

A group of related data that share a common name is

A. Pointer

B. Array

C. Function

D. None of the above

Question No# : 26 out of 32

An array is a group of related data item that share a common memory location in RAM.

A. TRUE

B. FALSE

Question No# : 27 out of 32

Find output of the following program?

A. Greater

B. Smaller

C. Compile Error

D. 100

Question No# : 28 out of 32

The average number of comparison is sequential search is

A. n**2

B. n(n-1)/2

C. n(n+1)/2

D. n+1)/2

Question No# : 29 out of 32

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

A. printf();

B. scanf();

C. gets();

D. puts();

Question No# : 30 out of 32

An array is also known as

A. Subscripted variable

B. Collective array

C. Ordinary variable

D. Similar Quantities variable

Question No# : 31 out of 32

Which of the following is the correct way to define a two dimensional array?

A. int a[ ][4];

B. int b[2, 4];

C. int c[2][ ];

D. int d[ ] [ 4] = {{1, 3, 5, 7}, {2, 4, 6, 8}};

Question No# : 32 out of 32

The function strlen() computes the length of an argument string excluding the null character.

A. TRUE

B. FALSE