Operating System

2. In this disk scheduling algorithm, the disk arm goes only as far as the final request in each direction, then reverses direction immediately without going to the end of the disk.
4. The facility that dynamically adds probes to a running system, both in user processes and in the kernel.
5. This module gives the CPU control to the process selected by short-term scheduler.
6. A disk scheduling algorithm which determines the motion of the disk's arm and head in servicing the R/W requests.
7. Occurred when a thread is waiting for a resource for indefinite time because other threads are using that resource.
10. A system call to create new process.
11. Solution for indefinite blockage of low–priority process.
12. This algorithm solves the critical section problem by assigning a number to each process. The number may or may not be unique.However, the process with the lowest number is served next.
13. Other name for Command Interpreter.
14. Semaphore signal operation basically works on _____ system call

1. When the execution of child process is completed, but parent process is still in execution, the child process is named as____.
3. The solution to the problem of reliability is the introduction of ______.
8. The number of processes completed per unit time.
9. The file which once created can not be changed is called ____ file.