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 269180

How to communicate between difference process?

HP, IBM,

2 11777

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

HP,

1 4935

What is scheduling and How it effects the processor efficiency?

HP,

2 5901

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

HP,

6 17019

What is the best suited algorithm to avoid internal fragmentation?

HP,

2 9977

How to escape from external fragmentation?

HP,

2 6034

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

HP,

2855

What is the difference between mutex and semaphore?

HP, Microsoft,

14 62055

What are counting semaphores?

HP, IBM,

4 17402

which is best among semaphores and mutexes?

HP,

2 7803

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

HP,

2 7291

What are named pipes?

HP,

3 7244

What is the signal?

HP,

1 5770

What is the highest priority software interrupt?

HP,

1 6172

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Un-Answered Questions { Operating Systems General Concepts }

Explain the various types of registers?

959

On what level of security does windows nt meets?

1039

Explain booting the system in operating system.

1046

What is chkdsk used for?

1007

How do you fix a blue screen?

1003

Does chkdsk erase data?

1016

How do I copy and paste a file location?

1041

How much ram do I have?

880

What problems are faced during the implementation of a network-transparent system?

1083

Explain the resident set and working set of a process?

1090

Is 64gb ram enough for gaming?

1007

Can a system detect starvation?

1016

What is a virtual memory?

1008

Can I use x86 on 64bit?

979

Is x86 better than x64?

913

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