Operating Systems General Concepts Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Operating Systems General Concepts Interview Questions

Questions Answers Views Company eMail

What is Difference between thread and process?

AirTies, Azingo, Bloomberg, Encora, Goldman Sachs, HCL, HP, MES, Microsoft, Samsung,

28 268059

How to communicate between difference process?

HP, IBM,

2 11614

What is the best way of communication in multi process environment? ex: getting log from different applications from multi servers?

HP,

1 4773

What is scheduling and How it effects the processor efficiency?

HP,

2 5637

What is virtual memory, if OS didt have that concept What are the problems can arise?

HP,

6 16720

What is the best suited algorithm to avoid internal fragmentation?

HP,

2 9780

How to escape from external fragmentation?

HP,

2 5884

What is difference in managing processes in windows, unix, RTOS?

HP,

2759

What is the difference between mutex and semaphore?

HP, Microsoft,

14 61452

What are counting semaphores?

HP, IBM,

4 17220

which is best among semaphores and mutexes?

HP,

2 7663

which is best among pipes, queues, shared memory and why?

HP,

2 7092

What are named pipes?

HP,

3 7052

What is the signal?

HP,

1 5615

What is the highest priority software interrupt?

HP,

1 6073

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Un-Answered Questions { Operating Systems General Concepts }

Does android run on x86?

914

Can chkdsk repair bad sectors?

974

Will my laptop run faster with more ram?

923

How can I run 32 bit on 64 bit?

977

What do you know about a pipe? When is it used?

928

What are the pros and cons of using circuit switching?

1119

What is the dispatcher?

1095

While running DOS on a PC, which command would be used to duplicate the entire diskette?

4900

What is tty stand for?

968

How do I stop chkdsk at startup?

1001

How to recovery from deadlock?

1007

What are the advantages of distributed system?

927

What is a safe state and its’ use in deadlock avoidance?

1022

What is belady's anomaly?

947

What is the main thread?

912

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