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,

2224

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

Verifone, Verizon,

1 5708

Advantage of SRAM over DRAM ?

College School Exams Tests, HCL, Hughes, Intel,

7 48012

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 12069

process means?

BFL,

2 5584

Thread means?

BFL,

5 14037

linked list is implemented by

BFL,

2 5279

semaphore is

BFL,

4 8180

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 12170

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

Wipro,

10 27904

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 7832

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

Wipro,

3 13596

Critical section is?

Patni, Wipro,

2 7077

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 7528

What are the basic functions of an Operating system?

1 4575

Post New Operating Systems General Concepts Questions

Un-Answered Questions { Operating Systems General Concepts }

What is the difference between af_inet and pf_inet?

956

What do you mean by ram?

1019

Can you please explain the difference between trap and trapdoor?

1072

What grep means?

908

Is 32 bit obsolete?

955

What are threads in OS?

1132

What is the kernel of the operating system?

971

What is the code of mobile?

941

What resources are used when a thread created?

1019

What are residence monitors?

1160

For a deadlock to occur what are the necessary conditions

1088

How do you kill pid?

933

How do I get to the root directory?

1040

Can you have both 32 bit and 64 bit excel?

990

Does a clean install erase everything?

939

For More Un-Answered { Operating Systems General Concepts } Questions Click Here