OPESSYS: Module 3 Quiz Game

What is a thread?

• A unit of execution within a process

• A standalone program

• A data storage unit

• A network protocol

Which threading model maps many user-level threads to a single kernel thread?

• Many-to-One

• One-to-One

• Many-to-Many

• Two-Level

What is the primary benefit of thread pools?

• Reuse of existing threads

• Increased security

• Simplified code

• Lower memory usage

What does Amdahl's Law highlight in terms of parallel computing?

• Diminishing returns with more cores

• Linear speedup with more cores

• Increased complexity with more threads

• Memory management issues

Which threading library is standardized by POSIX?

• Pthreads

• Windows threads

• Java threads

• Grand Central Dispatch

What is thread-local storage (TLS)?

• Data specific to a thread

• Global data storage

• Kernel memory management

• Process-wide variable storage

In the context of threading, what does concurrency mean?

• Multiple tasks making progress

• Tasks executing simultaneously

• Sequential task execution

• Parallel execution on multiple cores

Which system call in Linux can create a thread sharing the address space of its parent?

• clone()

• fork()

• exec()

• pthread_create()

What problem does the Many-to-One threading model suffer from?

• One thread blocking all others

• High memory usage

• Poor resource sharing

• Complex implementation

What is the role of scheduler activations in threading models?

• Coordinate user and kernel threads

• Manage memory allocation

• Handle I/O operations

• Increase security