CP-UNIT5

What is the output? int x, arr[5] = {1}; for (x = 0; x < 5; x++) printf("%d ", arr[x]);

• 1 followed by four garbage values
• 0 0 0 0 0
• 1 1 1 1 1
• 1 0 0 0 0

char name[9]="Ramkumar"; What is stored in name[7] and name[8]?

• 'a' and ’r’
• 'r' and ’\0’
• ’\n’
• 'r' and garbege value

How are the array of elements always stored in the memory locations?

• continuous
• contiguous
• unceasing
• unbroken

Which function is used to reverse the given string?

• strrev()
• strev()
• streverse()
• strreverse()

Array and Structure are group of elements. But they differ from each other by one of the reasons listed. Choose the right option

• Array has hetrogenous group of elements, whereas structure has homogenous group of elements.
• Structure has hetrogenous group of elements, whereas Array has homogenous group of elements.
• Array and Structure differ by their name only.
• There is no significant difference

What are the advantages of arrays?

• Objects of mixed data types can be stored
• Elements in an array cannot be sorted
• Index of first element of an array is 1
• Easier to store elements of same data type

What values will be stored in the elements of a static array, if it is not initialized?

• 0
• an undetermined value
• a floating point value
• \0

Which of the following is not a library function but can be a user defined function?

• cos()
• sqrt()
• pow()
• add()

What will be the output? int i = 0; char s[4] = {'\0', '\0', '\0', '\0'}; for(i = 0; i < 4; i++) { printf("%c", s[i]); }

• No output
• \0 \0 \0\
• \0 \0 \0 \0
• garbage values

What does the following represent? int a[2][3][4]

• 3 rows and 4 columns of array of 2 elements each
• 2 rows and 4 columns of array of 3 elements each
• 2 rows and 3 columns of array of 4 elements each
• 4 rows and 3 columns of array of 2 elements each