| Other Operating Systems General Concepts Interview Questions |
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| Question | Asked @ | Answers |
| |
| What are counting semaphores? | HP | 2 |
| In a compiler there is 36 bit for a word and to store a
character 8bits are needed. IN this to store a character two
words are appended .Then for storing a K characters string,
How many words are needed.
[a] 2k/9 [b] (2k+8)/9 [c] (k+8)/9 [d] 2*(k+8)/9 [e] none
| Wipro | 1 |
| What is software life cycle? | | 2 |
| what is disk interleaving? why is disk interleaving adopted? | IBM | 1 |
| What is the disadvantage of microprocessor? | TCS | 3 |
| 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 |
| when a process is created using fork(). what is shared
between parent process and child process.
1.Heap 2. stack 3. shared memory segments 4. I/O handles | nvidia | 1 |
| What is an idle thread? | | 1 |
| What is a trap and trapdoor? | | 2 |
| Advantage of SRAM over DRAM ? | Hughes | 1 |
| What are the key object oriented concepts used by Windows
NT? | | 1 |
| What is virtual memory? | | 2 |
| Which is the best page replacement algorithm and Why ? | | 1 |
| what is Demand Paging? | | 1 |
| What is the state of processor, when a process is
waiting for some event to occur? | | 2 |
| Explain the difference between micro-kernel and
macro-kernel? Give an examples of micro-kernel and
macro-kernel? | | 1 |
| semaphore is | BFL | 3 |
| what is Loader? | Network-Labs | 1 |
| What are rings in Windows NT? | | 1 |
| What is a real-time system? | SureSoft | 3 |
| |
| For more Operating Systems General Concepts Interview Questions Click Here |
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