
DOS Quiz 2
Authored by Rakesh Rai
Computers
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a deadlock in distributed systems?
A deadlock is a situation where resources are released automatically.
A deadlock occurs when all processes are actively running without waiting.
A deadlock happens when processes are able to communicate freely without restrictions.
A deadlock is a situation in distributed systems where processes are stuck waiting for each other to release resources.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name two methods for deadlock detection.
Semaphore signals
Thread priorities
Mutex locks
Resource allocation graphs, Wait-for graphs
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the difference between user space and kernel space threads?
User space threads require more system resources than kernel space threads.
User space threads are faster than kernel space threads.
User space threads are managed by user-level libraries, while kernel space threads are managed by the operating system kernel.
Kernel space threads can only run in user mode.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of process in the context of threads.
A process is a type of thread that cannot run concurrently.
Threads are separate processes that do not share resources.
A process is a single thread that executes independently.
In the context of threads, a process is a container that holds multiple threads, sharing resources while executing concurrently.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the advantages of implementing threads in user space?
Slower context switching
Less control over scheduling
Increased overhead in thread management
Advantages of implementing threads in user space include faster context switching, greater control over scheduling, and reduced overhead in thread management.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe the graph-theoretic approach to processor allocation.
The approach uses a tree structure to manage processor allocation.
Tasks are assigned randomly without any graph representation.
The graph-theoretic approach models processors and tasks as a bipartite graph to optimize allocation.
Processors are allocated based on a linear programming model.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a centralized processor allocation algorithm?
A method for managing and allocating processing resources from a single central point.
A framework for real-time data processing in cloud environments.
A technique for distributing processing tasks across multiple servers.
A strategy for optimizing memory usage in distributed systems.
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