| Other Operating Systems General Concepts Interview Questions |
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| Question | Asked @ | Answers |
| |
| Explain the concept of Reentrancy? | | 1 |
| Explain Belady's Anomaly? | | 1 |
| If A>B then
F=F(G);
else B>C then
F=G(G);
in this , for 75% times A>B and 25% times B>C then,is
10000 instructions are there ,then the ratio of F to G
[a] 7500:2500 [b] 7500:625 [c] 7500:625 if a=b=c else
7500:2500
| Wipro | 1 |
| A 12 address lines maps to the memory of
[a] 1k bytes [b] 0.5k bytes [c] 2k bytes [d] none
| Wipro | 3 |
| List the Coffman's conditions that lead to a deadlock? | | 1 |
| Describe the Buddy system of memory allocation. | | 1 |
| When is a system in safe state? | | 1 |
| While running DOS on a PC, which command would be
used to duplicate the entire diskette? | | 1 |
| What is FtDisk? | | 1 |
| What is a compiler? | | 4 |
| What is busy waiting? | | 1 |
| RAM chips arranged in 4X6 array and of 8kX4bit capacity
each. How many address lines reqd. to access each byte
a. 12 b. 16 c.15 d. 17
| Hughes | 2 |
| What is the difference between mutex and semaphore? | HP | 4 |
| linked list is implemented by | BFL | 1 |
| What is process spawning? | | 1 |
| which is best among semaphores and mutexes? | HP | 1 |
| what is assembler? | | 1 |
| What is page cannibalizing? | | 1 |
| What are the different process states? | | 2 |
| Give examples for 8 / 16 / 32 bit Microprocessor? | | 1 |
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