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History of the 1970s
Mainframe Computers are being used
Computers and data are centralized
Systems are connected to business functions (billing, inventory and payroll)
First cell phone call made -
History of the 1980s
PCs and LANs are installed
Departments set up computer systems
End-user computing with Word Processors and Spreadsheets makes departments less dependent on the IT -
History of the 1990s
Wide Area Networks (WANs) become corporate standards
Management looks for system integration and data integration -
History of the 2000s
Wide Area Networks expand via the Internet
Management looks for data sharing across systems.
Iphone, Ipad and Ipod invented