Place the following eras of IT infrastructure evolution in order, from earliest to most recent: 1. Cloud Computing Era; 2. Client/Server; 3. Enterprise Era; 4. Personal Computer; and 5. Mainframe and Minicomputer.

Personal Computer, Mainframe and Minicomputer, Enterprise Era, Client/Serve, Cloud Computing Era

Explanation:

In most recent out of the given options, is the personal computer, followed by mainframe and minicomputer,

where,

Minicomputer - is the mid - range computer and is used small servers operating business and some scientific applications,

Whereas, Mainframe is used, because of its higher processing power.

After mainframe and minicomputer is the Enterprise Era, and then followed by Client / server and the oldest one is the Cloud Computing Era.