In the UK it is mainly the noise, the people and everyone trying to find somewhere to park their car in the mornings. Gang fights, crime, sirens and garbage don't particularly figure.
Might try to think of the advantages, too, for instance if you want to open up a shop. Then you're in a good location. Or how you may be able to get around without a car, get around by train then, etc. Good for senior-seniors.
Operating system is type of System Software,it acts as an interface between the man and Machine or user and computer hardware. It is a supervisor of the computer systems,which manages various resources of the computer systems like memory, Files and folders,I/O devices and CPU.