TCS Operating Systems

1. What is MUTEX ?
2. What is the difference between a 'thread' and a 'process'?
3. What is INODE?
4. Explain the working of Virtual Memory.
5. How does Windows NT supports Multitasking?
6. Explain the Unix Kernel.
7. What is Concurrency? Explain with example Deadlock and Starvation.
8. What are your solution strategies for "Dining Philosophers Problem" ?
9. Explain Memory Partitioning, Paging, Segmentation.
10. Explain Scheduling.
11. What is Operating System Security.
12. What is Semaphore?
13. Explain the following file systems : NTFS, Macintosh(HPFS), FAT.
14. What are the different process states?
15. What is Marshalling?
16. Define and explain COM?
17. State the difference between Loading and Linking?

Interview Candidate
Sep 16th, 2005
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Answer

Showing Answers 1 - 11 of 11 Answers

chirag

Jan 10th, 2006

Mutex is a program object that allows multiple program threads to share the same resource, such as file access, but not simultaneously.

tanzeem fatma

Jan 19th, 2006

the answer to mutex is right

awdhesh chandra

Jan 22nd, 2006

i want to join .one thing more i m student of 3rd year in IT nnd between 12th and my engieering there is four year gap but in this gap i completed my graduatoin with physics hons and my marks is also less in in 12th that is 59.2% but i have good marks in my all semester above 7.5 sir plz tell me there is any prob when i m facing my placement plz tell what i have care and how i describe my gap between 12th and engineering degerr ur obdiently
Awdhesh

sai

Nov 23rd, 2006

mutux is a binary semaphore and has extra capability that resource owned task cannot be deleted by other task.

Raj

Aug 14th, 2007

As per my knowledge, Process is an execution of set of instruction and Thread is line of instruction execution. Process does not share the memory but Threads Share the memory. One process can handle multiThreads vice versa not currect. Threads are faster than Process.