Answer:
Mainframe computer:
The size of the disk is large.
They have large memory storage.
The speed of processing is fast in comparison to minicomputer.
They are more expensive.
Minicomputer:
The size of disk is small.
They have less memory storage in comparison to mainframes.
Their processing speed is less in comparison to mainframes.
It is not as expensive as mainframes.
Explanation:
I hope this will help you
