Close
Today’s IT infrastructure is composed of five major components
System software
Application software
Data management software
The principal storage technologies are
magnetic disk
magnetic tape
A USB flash drive
Optical Discs
CD- ROM ( compact disk read- only memory)
Digital video discs ( DVDs)
Input devices
output devices
Cloud computing
Cloud computing consists of three different types of services
operating system.
Software As a Service ( SaaS)
open source software
