Question <p>What is the disadvantage of array data structure?</p>

Option 1 <p>The amount of memory to be allocated should be known beforehand</p>

Option 2 <p>Elements of an array can be accessed in constant time</p>

Option 3 <p>Elements are stored in contiguous memory blocks.</p>

Option 4 <p>Multiple other data structures can be implemented using arrays.</p>

Correct Answer Option 1 Option 2 Option 3 Option 4