Intro to Information Technology. Wednesday, September 18th Chapter 11 – Computer Hardware Sites of Interest www.ebay.com www.microsoft.com www.pcwebopaedia.com. Objectives. Identify the major types, trends, and uses of microcomputer, midrange, and mainframe computer systems.
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Trend: Toward Smaller, Faster, More Reliable, and Less Costly
Trend: Toward Easy to Purchase, and Easy to MaintainHistory of Computers
Hard Disk, RAID
Access Speed Increases
Storage Capacity Decreases
Cost per Bit Increases
for storing data as magnetized
Portions of a track