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

Explain what you mean by memory alignment.

TCS,

1078

List advantages and disadvantages of dynamic memory allocation vs. static memory allocation.?

1185

Tell me something about the concept of memory leak?

1116

What do you mean by memory leak?

1169

What is a cache memory?

TCS,

977

Explain what is meant by heap?

BPL,

1125

Explain High Severity and Low Priority with example?

Wipro,

1074

What are the different memories you know about? Which of them takes the shortest access time?

Wipro,

1143

Difference between short term, long term and medium term scheduler.

Tech Mahindra,

1238

Which event determines that all the controls are completely loaded into memory?

MindCracker,

1089

what is the memory required when a screen has 1024*1280 pixels and each pixel can have around 16 million colors?

CGI,

1031

Which technology does Pentium use - RISC or CISC?

Tech Mahindra,

1064

Where are the global variables stored?

1147

What is the difference between exclusive lock and shared lock?

1197

Can you tell me the difference between semaphore and mutex.

1213

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Un-Answered Questions { Operating Systems General Concepts }

Difference between logical and physical address space?

1084

What does the safe mode do?

972

Explain ddks?

988

Mention the steps involved in the execution of a program.

964

How does a ram function?

1078

Stable storage cannot be implemented. (A) Explain why it cannot be. (B) Explain how database system deal with database applications

2274

Describe Inter Machine Communication?

1190

Explain Marshalling?

1042

What is validity fault?

1041

Is there a 86 bit operating system?

1029

Can I delete the program files x86?

951

What is long term scheduler in operating system (os)?

1042

What are a virtual machines and site their advantages?

1178

How long should a chkdsk r take?

1057

Can you move program files from c to d?

996

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