Operating Systemsand
Platforms
Sri Lanka
Technological
Campus
,Summary
● OS can be viewed as:
● Abstract machine: provides a higher level of
abstraction than what is provided by hardware
● These abstractions are also called as services
● Resource manager: controls how limited hardware
resources are allocated/managed to meet the
system requirements
● Two
main responsibilities of an OS: resource
management, providing abstractions.
CCS211
, How does it work?
(Traditional view)
CCS211
Platforms
Sri Lanka
Technological
Campus
,Summary
● OS can be viewed as:
● Abstract machine: provides a higher level of
abstraction than what is provided by hardware
● These abstractions are also called as services
● Resource manager: controls how limited hardware
resources are allocated/managed to meet the
system requirements
● Two
main responsibilities of an OS: resource
management, providing abstractions.
CCS211
, How does it work?
(Traditional view)
CCS211
