22-01-2013, 12:18 PM
UNIT I- GENERAL OVERVIEW OF THE SYSTEM Question Bank
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UNIT I- GENERAL OVERVIEW OF THE SYSTEM
Part A - 2 MARKS
1. Define shell and mention the properties of UNIX OS.
2. Mention the use of the fork System call and command “Passwd”
3. Differentiate between Exceptions & interrupts.
4. List the building block primitives of UNIX with Examples.
5. Kernel said to be non-preemptive comment.
6. Define Swpping&paging
7. Advantages and disadvantages of kernel data Structure
8. Define pathname component
9. Differentiate user mode & kernel mode
10 Draw a diagram process Execution levels.
11. What are the 3 levels of UNIX operating system?
12. Define System call interface
13. What are the subsystems of UNIX Os
14. Define Zambia State process transition
15. Define Sleep and Wakeup
Part B (16 Marks)
1. (a)Explain the details about UNIX System Architecture. (8)
(b)Briefly details about System Structure . (8)
2. Explain the details Operating System services. (16)
3. Explain the details about process states & state Transition. (16)
4. Explain the details about system concepts (16)
5. Explain Assumption about Hardware (16)
6. Explain the details about the User perspective (16)
UNIT II- BUFFER CACHE
Part A (2 MARKS)
1. Define pipes
2. Define major & minor number
3. Define buffer cache.
4. Mention the use of LSEEK System call.
5. Write the I/O parameters saved in the U area.
6. Define Inode Cache
7. What does the kernel in buffer read-ahead?
8. List out the various status of the buffer.
9. State the advantages and disadvantages of buffer cache
10. Define inode.
11. List the data structures and their relationship when a regular file is opened
12. Define free list
13. What are the fields of super block?
14. Define super block
15. Define directories.
Part B 16 Marks
1. Explain in detail about the structure of regular file (16)
2.(a) Explain the algorithm for converting the path name to inode (8)
(b) Explain the system call used for creating the special files (8)
3. Write notes on
a) Directories (8)
b) Super blocks