10 Questions
Which action does the OS perform when it dispatches a thread?
The OS loads the instruction pointer with an instruction address that belongs to the dispatched thread.
During the next fetch and execution cycle, what resources does the thread take control of?
CPU and its related resources, such as general-purpose registers.
What events can cause a thread to lose control of the CPU?
An interrupt occurs.
How does the OS regain CPU control after a thread terminates?
The OS triggers a software interrupt.
What can cause a hardware-generated interrupt?
An error indication from the hardware
True or false: When a thread is dispatched, it takes control of a CPU and its related resources, such as general-purpose registers?
True
True or false: The OS regains CPU control by executing an exit service call, which triggers a software interrupt?
True
True or false: An interrupt can occur when a process or thread terminates itself?
True
True or false: The most common method for the OS to regain CPU control is by loading the instruction pointer with an instruction address that belongs to the dispatched thread?
False
True or false: The act of giving control of a CPU to a ready thread is called interrupting?
False
Test your knowledge on thread dispatching and the process of transferring control of a CPU to a ready thread. Learn about the steps involved and the resources involved in this crucial operating system function.
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