What are the main advantages of PaaS?

Theadvantages ofPaaS are:

I. Itallows development work on higher level programmingwith very lesscomplexity.
II. Teamscan focus on just the development oftheapplication thatmakes theapplication very effective.
III. Maintenanceand enhancement oftheapplication is much easier.
IV. It is suitablefor situations inwhichmultiple developers work on asingle project butare notco-located.