Operating System Test 2 Computer Subject
Operating System Test 2 Computer Subject
Question 21
The Banker's Algorithm is an example of a technique for _____?
Banker's algorithm ensures the system stays in a safe state, making it a deadlock avoidance technique.
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Question 22
If preemption is required to deal with deadlocks, then which statement must be addressed?
Efficient deadlock handling requires selecting a victim with minimum cost and rolling it back safely without causing starvation.
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Question 23
A cycle in the resource allocation graph _____ leads to a deadlock.
A cycle in the resource allocation graph indicates the possibility of a deadlock, but it may not always lead to one.
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Question 24
Inter-process communication _____?
IPC allows processes to share data and synchronize activities, essential for coordination in operating systems.
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Question 25
Consider the following three processes in the FCFS, What is the average waiting time?
| Process ID | Burst time | Arrival time |
|---|---|---|
| P1 | 3 | 3 |
| P2 | 6 | 6 |
| P3 | 9 | 9 |
Using FCFS scheduling, the average waiting time for these three processes is calculated as 3 units.
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Question 26
To access the services of operating system, the interface is provided by the _____?
System calls provide the interface for programs to request services from the operating system.
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Question 27
Which conditions must be satisfied to solve a critical section problem?
All three conditions are necessary to solve the critical section problem.
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Question 28
Which one of the following error will be handle by the operating system?
The operating system handles all such errors by notifying the user or taking corrective action.
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Question 29
Which of the following operating system runs on the server?
Network operating systems are designed to manage and run services on servers.
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Question 30
What is the main function of the command interpreter?
The command interpreter reads and executes commands entered by the user.