Eras of Business Computing
Operating System Applications
Era
Hardware
Mainframe (1970s)
Terminals connected to mainframe computer Time-sharing (TSO) on Multiple
Custom-written MRP software
Virtual Storage (MVS)
PC (mid-1980s)
MS-DOS WordPerfect, Lotus 1-2-3
IBM PC or compatible. Sometimes connected to mainframe computer via network interface card. IBM PC “clone” on a Novell Network.
Client-Server (late 80s to early 90s) World Wide Web (mid-90s to early 2000s) Web 2.0 (mid-2000s – present) Post-PC (today and beyond)
Microsoft Word, Microsoft Excel
Windows for Workgroups
Windows XP
Microsoft Office, Internet Explorer
IBM PC “clone” connected to company intranet.
Windows 10
Microsoft Office
Laptop connected to company Wi-Fi.
Smartphones Android, iOS Mobile-friendly websites, mobile apps Can Information Systems Bring Competitive Advantage? It has always been the assumption that the implementation of information systems will bring a business competitive advantage. If installing one computer to manage inventory can make a company more efficient, then it can be expected that Information Systems for Business and Beyond (2019) pg. 16
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