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,

967

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

1108

Tell me something about the concept of memory leak?

1028

What do you mean by memory leak?

1097

What is a cache memory?

TCS,

921

Explain what is meant by heap?

BPL,

1050

Explain High Severity and Low Priority with example?

Wipro,

987

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

Wipro,

1086

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

Tech Mahindra,

1123

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

MindCracker,

1013

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

CGI,

943

Which technology does Pentium use - RISC or CISC?

Tech Mahindra,

967

Where are the global variables stored?

1055

What is the difference between exclusive lock and shared lock?

1100

Can you tell me the difference between semaphore and mutex.

1107

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Un-Answered Questions { Operating Systems General Concepts }

Explain the purpose of the open() and close() operations.

2101

What are real-time systems?

1011

What is chkdsk used for?

965

List the possible threads a thread can have?

929

Where is the root directory?

899

What complications does concurrent processing add to an operating system?

1124

Does more ram increase fps?

1005

Can bad sectors cause blue screen?

954

What are interrupts?

1181

What are the ways in which fault tolerance can be ensured in systems? (Different redundancy techniques)?

1147

Are 64bit applications faster?

885

What is the purpose of port forwarding?

981

How do I recover files from my usb?

966

Will chkdsk delete my files?

956

Explain page fault interrupt?

991

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