A heavy weight process ___________

• A. Has multiple threads of execution
• B. Has a single thread of execution
• C. Can have multiple or a single thread for execution
• D. None of the mentioned

A process having multiple threads of control implies ___________

• A. It can do more than one task at a time
• B. It can do only one task at a time, but much faster
• C. It has to use only one thread per process
• D. None of the mentioned

Multithreading an interactive program will increase responsiveness to the user by ___________

• A. Continuing to run even if a part of it is blocked
• B. Waiting for one part to finish before the other begins
• C. Asking the user to decide the order of multithreading
• D. None of the mentioned

Resource sharing helps ___________

• A. Share the memory and resources of the process to which the threads belong
• B. An application have several different threads of activity all within the same address space
• C. Reduce the address space that a process could potentially use
• D. All of the mentioned

Multithreading on a multi – CPU machine ___________

• A. Decreases concurrency
• B. Increases concurrency
• C. Doesn’t affect the concurrency
• D. Can increase or decrease the concurrency

The kernel is _______ of user threads.

• A. A part of
• B. The creator of
• C. Unaware of
• D. Aware of

If the kernel is single threaded, then any user level thread performing a blocking system call will ___________

• A. Cause the entire process to run along with the other threads
• B. Cause the thread to block with the other threads running
• C. Cause the entire process to block even if the other threads are available to run
• D. None of the mentioned

If a kernel thread performs a blocking system call, ____________

• A. The kernel can schedule another thread in the application for execution
• B. The kernel cannot schedule another thread in the same application for execution
• C. The kernel must schedule another thread of a different application for execution
• D. The kernel must schedule another thread of the same application on a different processor

Which of the following system calls does not return control to the calling point, on termination?

• A. Fork
• B. Exec
• C. Ioctl
• D. Longjmp

The following program results in the creation of? main() { if(fork()>0) sleep(100); }

• A. An orphan process
• B. A zombie process
• C. A process that executes forever
• D. None of the mentioned