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;
5. mainframe and minicomputer.
a) 5, 2, 3, 4, 1
b) 5, 4, 2, 3, 1
c) 4, 5, 2, 3, 1
d) 5, 4, 2, 1, 3
e) 4, 5, 3, 2, 1

The correct option to the following question is B.) 5, 4, 2, 3, 1.

Explanation:

Personal Computer - In year 1975, E.d Roberts was coin the term as "personal computer" when he was introduced Altair 8800. The first PC (personal computer) was considered by many to the KENBAK-1, that was the first introduced for $750 in year 1971.

Mainframe and Minicomputer - Mainframe era was the periods of the highly centralized computing which controlled by the programmers and the system operators.

The Minicomputer was powerful yet it is less expensive computers that began to change the pattern and allow the decentralized computing which is customizable to an individual departments or the business units.

In the client/server computing - the laptop or the desktop computer systems called clients which are networked to the powerful server computers that provides client computers with the variety of the capabilities and the services.

Enterprise Era - In the early year 1990s, the firms are turned in to the networking standards and the software tools which could be integrated disparate the networks and the applications throughout the firm into the enterprise wide infrastructure. The Internet was developed into the trusted communication environments after the year 1995, the business firms was began seriously for using TCP/IP (Transmission Control Protocol/Internet Protocol) networking standards for tie their disparate network together.