CSCI 114 (01): Quiz2 (ch.4-5)

An alternative approach to multi-threading for concurrency is called ____-driven programming, which uses asynchronous I/O.

What is the 1st blank?

What is the 2nd blank?

What is the 3rd blank?

What is the 4th blank?

Which of the following is NOT a step performed by UNIX exec?

• load the program prog into the current address space

• create a child process

• copy arguments into memory in the address space

• Initialize the hardware context to start execution at "start."

Almost all widely used operating systems take a similar approach to the architecture of the kernel where most of the OS functionalities run inside the kernel.

• True

• False

Which of the following functions is called for the main thread to wait for the termination of a child thread?

• thread_join

• thread_block

• thread_exit

• thread_wait

Involuntary kernel thread context switch follows three steps of what order?

1. Run the kernel's handler

2. Restore the state

3. Save the state

• 3, 1, 2

• 1, 2, 3

• 1, 3, 2

• 2, 3, 1

The earliest implementations of Java Virtual Machine (JVM) implements a green thread, which is a pure user-level implementation.

• True

• False