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Process Lifecycle and Management
Question 1
What is a process in an operating system?
- A
A block of code stored on disk
- B
A function in the OS
- C
A program in execution
- D
A thread waiting for CPU
Question 2
Which section of process memory holds executable instructions?
- A
Stack
- B
Data
- C
Heap
- D
Text
Question 3
Where are function parameters and local variables stored in memory?
- A
Heap
- B
PCB
- C
Stack
- D
Data segment
Question 4
What is the main purpose of the Process Control Block (PCB)?
- A
Stores only file descriptors
- B
Holds all key info about a process
- C
Identifies deadlocks
- D
Only tracks process memory
Question 5
Which process state refers to a process waiting for I/O?
- A
Ready
- B
Running
- C
Suspended Ready
- D
Waiting (or Blocked)
Question 6
Which system call is used in UNIX/Linux to create a new process?
- A
exec()
- B
fork()
- C
createProcess()
- D
exit()
Question 7
In a single processor system, how many processes can be in the Running state at a time?
- A
0
- B
1
- C
2
- D
Unlimited
Question 8
Which criterion refers to the number of processes completed per unit time?
- A
Turnaround time
- B
Response time
- C
Throughput
- D
Waiting time
Question 9
Turnaround time is calculated as:
- A
Completion time – Arrival time
- B
Waiting time + CPU burst time
- C
Start time – Arrival time
- D
Completion time – Waiting time
Question 10
What scheduling criterion should be minimized for batch systems?
- A
Response time
- B
Turnaround time
- C
Context switches
- D
Arrival time
There are 10 questions to complete.