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OS CAR CW 4 (Presentation : :star: (Scheduling, Memory, Apps, Files),…
OS
CAR CW 4
Presentation : :star:
Scheduling
Memory
Apps
Files
Programs
System
Application
Kernel
Loaded by bootstrap
Stored in ROM (Firmware)
Core program
manages efficient use of CPU and hardware
I/O Operations go via buffer
Concurrent operation of the CPU and I/O devices is crucial
Definitions
Resourse allocator
Manage resources
Decided between conflicts for efficiency
Control program
Controls execution to prevent errors
Executes user programs and manages user interactions
Interrupt driven :star:
Request for service
Softeware error
Process problems
provides services to an application you are executing