Threads in Operating Systems (original) (raw)

What is a thread in the context of an operating system?

• A program under execution
• A memory allocation method

Threads are effective only if the CPU is:

Which of the following is shared among all threads in a process?

Which component is NOT unique to each thread?

• To ensure each task runs in a separate memory space
• To run multiple tasks simultaneously within a single process
• To reduce memory usage to zero
• To make programs run faster

Which of the following is NOT a component of a thread?

User-level threads are managed by:

Which is a disadvantage of user-level threads?

• Entire process blocks if one thread blocks
• Cannot run on single-core systems

Kernel-level threads can run on multiple processors because:

• They are invisible to the OS
• They share the same stack
• They don’t require hardware support
• The kernel schedules them directly

Main difference between a process and a thread is:

• Processes share memory, threads do not
• Threads share memory, processes do not
• Threads are heavier than processes
• Processes are faster to create than threads

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