1) What do you mean by graceful degradation? describe in detail.

2) prepare down the difference between hard real system and soft real system?

3) What do you mean by multiprogramming?

4) prepare down the difference between symmetric and asymmetric multiprocessing?

5) ______ is a program in execution.

6) describe short term scheduler.

7) prepare down the difference between I/O bound and CPU bound process.

8) What do you mean by a semaphore?

9) prepare down the difference between logical address space and physical address space?

10) What do you mean by a page fault?

11) prepare down the difference between page and a page frame?

12) What do you mean by a race condition?

13) What do you mean by a file?

14) What is open count related with?

15) What do you mean by internal fragmentation?

16) What do you mean by a FAT?

17) What is the use of ‘make‘ facility of UNIX?

18) What do you mean by a symbolic link?

19) prepare down the use of the ‘fork ‘system call in Unix?

20) What are the three major parts of the Linux system?