Computer Science 440 Spring 2014
Gregory M. Kapfhammer
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Operating Systems
Input/Outout Devices
Why?
User Interfaces
X Windows Systems
X Server
X Client
X Protocol
Figure 5-37
Window Manager
X11 Forwarding
Synergy
http://synergy-foss.org/
Thin Clients
Fat Clients
Preference?
Popularity?
Power Management
Why?
Mobile
Server
Two Strategies
Turn off Devices
Use Less Energy
Power Consumption Profile
Most on a laptop?
Figure 5-45
CPU Scaling
Acceptable Temperature Range?
ACPI