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

Which one you will use to implement critical section?

Verifone,

2158

Which one is not needed for Multi-pgm. enviornment?

Verifone, Verizon,

1 5602

Advantage of SRAM over DRAM ?

College School Exams Tests, HCL, Hughes, Intel,

7 47804

RAM chips arranged in 4X6 array and of 8kX4bit capacity each. How many address lines reqd. to access each byte a. 12 b. 16 c.15 d. 17

Hughes,

5 11896

process means?

BFL,

2 5478

Thread means?

BFL,

5 13883

linked list is implemented by

BFL,

2 5183

semaphore is

BFL,

4 8030

abcD+abcd+aBCd+aBCD then the simplified function is ( Capital letters are copliments of corresponding letters A=compliment of a) [a] a [b] ab [c] abc [d] a(bc)* [e] mone (bc)*=compliment of bc

NDS, Wipro,

6 11989

A 12 address lines maps to the memory of [a] 1k bytes [b] 0.5k bytes [c] 2k bytes [d] none

Wipro,

10 27569

In a compiler there is 36 bit for a word and to store a character 8bits are needed. IN this to store a character two words are appended .Then for storing a K characters string, How many words are needed. [a] 2k/9 [b] (2k+8)/9 [c] (k+8)/9 [d] 2*(k+8)/9 [e] none

Wipro,

1 7747

Virtual memory size depends on [a] address lines [b] data bus [c] disc space [d] a & c [e] none

Wipro,

3 13479

Critical section is?

Patni, Wipro,

2 6934

If A>B then F=F(G); else B>C then F=G(G); in this , for 75% times A>B and 25% times B>C then,is 10000 instructions are there ,then the ratio of F to G [a] 7500:2500 [b] 7500:625 [c] 7500:625 if a=b=c else 7500:2500

Wipro,

2 7427

What are the basic functions of an Operating system?

1 4472

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Un-Answered Questions { Operating Systems General Concepts }

Explain the trda?

955

Briefly explain the concept of Virtual Memory.

1186

Explain about linker and the functions executed by them?

944

Tell me about virtual memory?

978

Can a bad cpu cause blue screen?

991

Why is ram also known as volatile memory?

1108

How do I get the ie tab in chrome?

990

What is a socket?

1081

Explain what are device drivers used for?

1000

What is the trtw/trwt timing?

1111

What is the safest operating system?

1138

Is excel for mac 64 bit?

1006

How many types of file systems are there?

965

Where are chkdsk logs stored?

1071

Under what circumstances do page faults occur?

1122

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