| Other Operating Systems General Concepts Interview Questions |
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| Question | Asked @ | Answers |
| |
| What is lock granularity? | IBM | 1 |
| Advantage of SRAM over DRAM ? | Hughes | 1 |
| What are DDks? Name an operating system that includes this
feature. | | 2 |
| What is page cannibalizing? | | 1 |
| What is the difference between mutex and semaphore? | HP | 4 |
| What is difference between synchronous and asynchronous
threads and when can we use them? | HP | 1 |
| While running DOS on a PC, which command would be
used to duplicate the entire diskette? | | 1 |
| Which is the best page replacement algorithm and Why ? | | 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 has triggered the need for multitasking in PCs? | | 1 |
| which is best among semaphores and mutexes? | HP | 1 |
| Semafore is used for?
a) synchronization b) dead-lock avoidence
c)box d) none
| HCL | 1 |
| What is an idle thread? | | 1 |
| Can ROM be used as stack? | | 1 |
| What are the reasons for process suspension? | | 4 |
| If there are too many page faults what is the problem? | Verifone | 2 |
| In loading programs into memory, what is the difference
between load-time dynamic linking and run-time dynamic
linking? | | 1 |
| Critical section is? | Wipro | 2 |
| What is FtDisk? | | 1 |
| What are the four layers that Windows NT have in order to
achieve independence? | | 1 |
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