Advantages of Mainframe :
- Huge Memory.
- High speed compared to volume of data.
- High security : No virus attack so far reported in last 50-60 years.
- Superb Virtualization.
- Huge Data processing.
Disadvantages of Mainframe :
- Cost of hardware : Normal persons can't afford to have their own mainframe.
- Special Operating Systems/ Software (more cost here too).
- Intense Human attention required.
- Intense Space Occupied.
- More Resource consumption.