Understanding Threads in Operating Systems

What is a thread and what are its fundamental elements?

• A thread is a fundamental element of CPU utilization.

• A thread is a unique process with its own address space.

• A thread is a lightweight process that cannot share resources.

• A thread is a type of operating system resource.

What attributes should a thread contain?

• Thread execution state

• Thread ID

• Dynamic priority

• All of the above

What is the relationship between processes and threads?

• One process can have multiple threads.

• Threads cannot exist without processes.

• Threads are heavier than processes.

• All of the above.

What are the key states for a thread?

• Running, Ready, Blocked

• Active, Inactive, Terminated

• Waiting, Running, Suspended

• None of the above

What happens during the Spawn operation?

• A new process is created.

• A thread is blocked.

• A thread is finished.

• A thread is resumed.

What is the purpose of thread synchronization?

• To eliminate interference between threads.

• To increase the number of threads.

• To reduce the execution time of threads.

• To create new threads.

What does a thread library provide?

• An API for creating and managing threads.

• A way to destroy processes.

• A method for increasing CPU speed.

• None of the above.

What are the advantages of implementing user-level threads?

• Thread switching does not require kernel-mode privileges.

• Scheduling can be application-specific.

• User-level threads can run on any operating system.

What are the advantages of implementing kernel-level threads?

• The kernel can simultaneously schedule multiple threads.

• If one thread is blocked, the kernel can schedule another.

• The kernel routines themselves can be multithreaded.

What is multithreading?

• The ability of an OS to support multiple paths of execution.

• A method to increase memory usage.

• A technique to block processes.