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Questions and Answers
What is the role of the operating system in creating a process from a program?
What is the role of the operating system in creating a process from a program?
- Executing the program directly without any preparation
- Waiting for user input before creating the process
- Assigning a name, allocating space, and loading the corresponding program (correct)
- Ignoring the program and focusing only on system tasks
How would you define a process in the context of computer science?
How would you define a process in the context of computer science?
- An active program or precisely program in execution state (correct)
- A dormant program that is not in execution state
- A passive program that has not been assigned any resources
- A program that is awaiting deletion by the operating system
What activities does the operating system perform to create a process from a program?
What activities does the operating system perform to create a process from a program?
- Stopping all other processes before creating the new process
- Deleting the program from the computer memory
- Converting the program into a different programming language
- Assigning a name, allocating space, and loading the corresponding program (correct)
How is a process comparable to a human being, as mentioned in the text?
How is a process comparable to a human being, as mentioned in the text?
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Study Notes
Creating a Process from a Program
- The operating system (OS) plays a crucial role in creating a process from a program by performing specific activities.
- A process is a program in execution, including the current activity, memory, and system resources allocated to it.
Activities Performed by the Operating System
- The OS performs the following activities to create a process from a program:
- Allocates memory to the program
- Initializes program counters and registers
- Creates a new process control block (PCB) to manage the process
- Schedules the process for execution
- Manages input/output (I/O) operations for the process
Comparing a Process to a Human Being
- A process can be compared to a human being in that it has a life cycle, including:
- Birth (creation of the process)
- Execution (life of the process)
- Death (termination of the process)
- Just like a human being, a process can be in various states, such as sleeping, waiting, or running
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