There are two categories of memory:
1)	Sequential memory - In which you can access data in a sequential order, not in a random manner.
2)	Non sequential memory - In which you can access data in any random order.
Now, Match the following categories of memory with their examples.
| (p) Sequential memory | (1)  | 
| (q) Non-sequential memory | (2)  | 
| (3)  | |
| (4)  | 
| A | p - (2) q - (1), (3) and (4) | 
| B | p - (2) and (4) q - (1) and (3) | 
| C | p - (4) q - (1), (2) and (3) | 
| D | p - (3) q - (1), (2) and (4) | 
 
             
             
        