
Process in Operating System

Flashcard
•
Computers
•
University
•
Hard
Ekta Gandotra
FREE Resource
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10 questions
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1.
FLASHCARD QUESTION
Front
What is a process in an operating system?
Back
A process is a program in execution, which is an 'active' entity, as opposed to a program, which is a 'passive' entity.
2.
FLASHCARD QUESTION
Front
What happens when a binary code is run?
Back
When binary code is run, it becomes a process.
3.
FLASHCARD QUESTION
Front
What are the distinct sections of a process in memory?
Back
1. Text Section: Contains executable instructions (read-only). 2. Stack: Contains temporary data like function parameters and local variables. 3. Data Section: Contains global variables. 4. Heap Section: Dynamically allocated memory during runtime.
4.
FLASHCARD QUESTION
Front
What is the Process Control Block (PCB)?
Back
The PCB is a structure that stores important attributes of a process, including Process ID, Process State, CPU Scheduling Information, I/O Information, File Descriptors, Accounting Information, and Memory Management Information.
5.
FLASHCARD QUESTION
Front
What is the Process ID (PID)?
Back
The Process ID (PID) is a unique number assigned to each process for identification by the operating system.
6.
FLASHCARD QUESTION
Front
What are the states of a process?
Back
1. New: Newly created process. 2. Ready: Process is ready for execution. 3. Running: Currently executing process. 4. Wait (or Block): Process is waiting for I/O access. 5. Complete (or Terminated): Process has finished execution. 6. Suspended Ready: Process moved to suspended state when the ready queue is full. 7. Suspended Block: Process moved to suspended state when the waiting queue is full.
7.
FLASHCARD QUESTION
Front
What is the purpose of CPU Scheduling Information in the PCB?
Back
It helps the operating system decide which process should run next based on priority levels and scheduling queues.
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