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Questions and Answers
Which one of these is the correct definition of a process?
Which one of these is the correct definition of a process?
- A program that is currently being written
- A program stored on the hard disk
- A program that has been terminated
- A program in execution that is an active entity in the memory (correct)
Which one of these is an example of a resource?
Which one of these is an example of a resource?
- Operating system
- CD recorder (correct)
- Program
- Hard disk
Which one of these is an example of a preemptive resource?
Which one of these is an example of a preemptive resource?
- Memory
- Tape drive
- CD recorder (correct)
- Printer
Why is memory considered a preemptive resource?
Why is memory considered a preemptive resource?
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Which one of these is an example of a non-preemptive resource?
Which one of these is an example of a non-preemptive resource?
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Study Notes
Process and Resource Definitions
- A process is a program in execution, including the current activity, memory, and system resources.
- A resource is a system component that can be allocated to a process, such as CPU, memory, or I/O devices.
Resource Types
- A preemptive resource is a resource that can be taken away from a process while it is still running, such as CPU time.
- Memory is considered a preemptive resource because the operating system can deallocate memory from a process and assign it to another process.
- A non-preemptive resource is a resource that cannot be taken away from a process once it has been allocated, such as I/O devices.
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