OS-Multithreading

What is a thread?

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Each thread can belong to more than one process but no thread can exist outside a process.

• TRUE

• FALSE

What is the difference between a thread and a process?

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In user level threads, the thread management kernel is not aware of the existence of threads.

• TRUE

• FALSE

The operating system scheduler selects a thread from the pool of ready threads and allows it to run on the CPU. The thread remains in this state until it either voluntarily yields the CPU or is preempted by a higher priority thread.

• New

• Runnable

• Running

• Waiting

While in the blocked/waiting state, the thread is not eligible to run, and it remains blocked until a particular condition is met.

• TRUE

• FALSE

Give one advantage of multithreading and give a brief explanation.

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What's the difference between a user level and a kernel level thread?

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