Consider the following statements with respect to user-level threads and kernel-supported threads.
i) Context switch is faster with kernel- supported threads
ii) For user-level threads, a system call can block the entire process
iii) Kernel-supported threads can be scheduled independently
iv) Use-level threads are transparent to the kernel

Which of the above statements are true?

Which of the following scheduling algorithms is non-preemptive?

A CPU has two modes-privileged and non-privileged. In order to change the mode from privileged to non-privileged

A processor needs software interrupt to