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Array MCQ - Quiz

Given an integer array arr[] ; the i th element can be accessed by writing

A *(arr+i)
B *(i + arr)
C arr[i]
D All of these

If an array is declared as int arr[50] , how many elements can it hold?

A 49
B 50
C 51
D 0

The index of U in Oxford University Press is?

A 5
B 6
C 7
D 8

If an array is declared as arr[] = {1,3,5,7,9}; then what is the value of sizeof(arr[3]) ?

A 1
B 2
C 3
D 8

Faster access to non-local variables is achieved using an array of pointers to activation record called a

A heap
B activation tree
C display
D stack

Which function adds a string to the end of another string?

A stradd()
B strcat()
C strtok()
D strcpy()

Replace("XXXYYYZZZ", "XY", "AB") =

A XXABYYZZZ
B XABYYYZZZ
C ABXXXYYYZZ
D ABXXXYYYZZZ

strcat() is defined in which header file?

A ctype.h
B stdio.h
C string.h
D math.h

Suppose we want to arrange n numbers stored in an array such that all negative values occur such before all positive ones. Minimum number of exchange required in the worst case

A n-1
B n
C n+1
D none of the above

Memory for a structure is allocated at the time of

A Structure definition
B Structure variable declaration
C Structure declaration
D Function declaration