which is preferred to start small scale business: physical or cloud infra?

Cloud infra

what is cloud computing?

Cloud computing is the delivery of computing services like servers, storage, databases, and software over the internet.

does a barometer require OS?

No, a barometer does not require an operating system

what are the challenges of physical infrastructure?

Physical infrastructure requires setting up all servers and storage within the organization, leading to high maintenance costs.
It demands advanced cooling systems and space to support server performance.
A dedicated admin team is needed for ongoing management, which further increases operational expenses.

what are the advantages of cloud computing?

Cost Efficiency, Scalability, Accessibility & Mobility, Security, Performance & Speed and Disaster Recovery & Backup