| Other Operating Systems General Concepts Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| which is best among semaphores and mutexes? | HP | 2 |
| 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 | 3 |
| which is best among pipes, queues, shared memory and why? | HP | 1 |
| What is the resident set and working set of a process? | | 1 |
| what is assembler? | | 2 |
| What is a trap and trapdoor? | | 2 |
| Advantage of SRAM over DRAM ? | Hughes | 4 |
| What are demand- and pre-paging? | | 2 |
| 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 | 2 |
| what is Compiler? | | 3 |
| To ensure one pgm. doesnt corrupt other pgm. in a Multi-pgm.
enviornment .what you should do?
| Verifone | 1 |
| A 12 address lines maps to the memory of
[a] 1k bytes [b] 0.5k bytes [c] 2k bytes [d] none
| Wipro | 3 |
| what is disk interleaving? why is disk interleaving adopted? | IBM | 1 |
| Explain about paged segmentation and segment paging ? | | 1 |
| If there are too many page faults what is the problem? | Verifone | 2 |
| What is cache memory? | | 3 |
| What is multi-tasking, multi-programming,multi-threading? | | 3 |
| Paging a memory management function, while multiprogramming
a processor management function, are the two interdependent? | IBM | 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 |
| |
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