Operating System Interview Questions _ KyaPoocha

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Asked By: ashish garg | Asked On: Aug 30th, 2006 18 answers

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Answered by: vivek tomar on: Mar 10th, 2012

1)data Management. (file ,folder,drive,also contain data.) 2)communicator b/w software andhardware. 3)provide user Interface. 4)provide working environment.

Answered by: Marks on: Feb 28th, 2012

OS is ..1.Resource Manager2.Interface between Hardware and Software.

What is the shortest definition of os?

Asked By: ravi_poo2002 | Asked On: Mar 24th, 2006 55 answers

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Answered by: Aparna Patil

Answered On : Mar 24th, 2006

NTFS

1)allows access local to w2k,w2k3,XP,win NT4 with SP4 & later may get access for

somefile.

2)Maximum size of partition is 2 Terabytes & more.

3)Maximum File size is upto 16TB.

4)File & folder Encryption is possible only in NTFS.

FAT 32

1)Fat 32 Allows access to win 95,98,win millenium,win2k,xp on local partition.

2)Maximum size of partition is upto 2 TB.

3)Maximum File size is upto 4 GB.

4)File & folder Encryption is not possible.

Answered by: sanjay kumar prajapati on: Jan 7th, 2012

NTFS 1)allows access local to w2k,w2k3,XP,win NT4 with SP4 & later may get access forsomefile. 2)Maximum size of partition is 2 Terabytes & more. 3)Maximum File size is upto16TB. 4)File & folder...

Answered by: vijayraj on: Jan 5th, 2012

fat32:- is limit for file name it contain 8 character ntfs:-over limit for fat32 ntfs contain a8.3(expresion) long file name

Difference between ntfs and fat32?

Asked By: sandipan ds | Asked On: Feb 27th, 2010 1 answer

Answered by: RANJAN on: Dec 20th, 2011

Timesharing system: There is a given time for each process and on the basis of this time,multiple programs are executed. Multi-tasking system: Multiple request come to processor

Multitasking and timesharing system

What is the difference between multitasking and timesharing system? What are their properties,merits and demerits?

OS Interview Questions

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Print i/o and disk i/o

Microprocessor events sequence

Process management, memory management, i/oand file management

How will you make ghost bootable disk to boot insata drives?

What are the differences between simple pagingand virtual paging? What are the differencesbetween simple segmentation and virtualsegmentation?

Define associative memory. Discuss its limitationsand suggest a remedy.

As UNIX supports multiple users, how can this bemore secure than windows(which doesn't supportmultiple users)?

Show that msg passing and semaphores haveequivalent functionality by implement msg-passingusing semapohres. Hint: make use of a sharebuffer area to hold mailboxes, each one consistingof an array o

Have you implemented and administered ms vpn?What languages can you for log-on scripts?Have

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OS Interview Questions | GeekInterview.com http://www.geekinterview.com/Interview-Questions/Operating-System

1 of 5 4/4/2012 2:41 AM


and one after anothe...

Asked By: aakansha_133 | Asked On: May 15th, 2007 1 answer


Answered by: Lokesh M on: Dec 19th, 2011

Layered structure of an operating system: LAYERS ===== User User Interface Program /Application Program System Services and File System Input and Output Management UserConsole Memory Management Pro...

Discuss the layered structure of an operating system. List the major servicesprovided by an operating system

Asked By: sk_naresh | Asked On: Aug 4th, 2008 1 answer


Answered by: Lokesh M on: Nov 30th, 2011

Resource Parameters are classified under 2 categories: Main Parameters AdditionalParameters Main parameters are the most important parameters pertaining to functionality,performance, and availabil...

Resource manager parameters

What are the parameter of resource manager?

Asked By: ramya kandasamy | Asked On: Mar 10th, 2010 1 answer


Answered by: Lokesh M on: Nov 30th, 2011

Prior to the introduction of Operating System, operation instructions were generally fed intothe electronic system bit by bit on rows of mechanical switches or by jumper wires on plugboards.

Before operating systems

Before the introduction of operating systems what concept was used in computer?

Asked By: amrinder singh | Asked On: Aug 1st, 2006 6 answers


Answered by: patel rajanikant on: Nov 13th, 2011

Batch Processing:In batch processing Operating systems the tasks are performed inbatches,os waits for a batch of tasks to arrive and performs the operation on the batch. TimeSharing: in time sharin...

Answered by: mamta09 on: May 17th, 2008

batch processing when all the job in a batch is processed by the os on the basis of priority ofjob without user intervention is called batch processingIn time sharing systems the cpu timeis shared b...

Give tabular difference between batch processing,time sharing,online timesharing,multiprogramming batch system and distributed operating sustems?

Asked By: vanitha | Asked On: Mar 5th, 2006 12 answers


Answered by: mohamed Tausif on: Oct 16th, 2011

Wrong Ans ........bro ............. virtual memory is a feature of operating system that enables aprocess a memory(RAM) address space that is independent of other processes running, andUSE THE SPACE...

Answered by: Parthiban on: Oct 13th, 2011

Physical memory is the actual real memory used in RAM. Virtual memory as the namesuggests is not real. The OS uses virtual memory as a memory management technique inwhich non-contiguous memory is pr...

What is the meaning of physical memory and virtual memory?

Asked By: Rujul | Asked On: Mar 9th, 2007 3 answers

Answered by: shiv prakash on: Oct 16th, 2011

Answer 1: use for contiguous memory allocation.

The first-fit test and the worst-fit algorithm can be used for 1. Contiguousalocation allocation of memory 2. Linked alocation allocation of memory 3.Indexed alocation allocation...

you worked on nt/ventas/ ca –arcserve/brightstore backup?Have you worked anyserver management tools?Lan/v

When should you create a forest?How can youauthenticate between forest?What snap-inadministrative tools are aviliable for activedirectory?How is user account security establishedin windows server

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2 of 5 4/4/2012 2:41 AM


Answered by: shweta on: Sep 11th, 2011

Answre is 1. For contiguous memory allocationsAsked By: pinky_princess88 | Asked On: Nov 21st, 2005 25 answers


Answered by: surendrap on: Oct 4th, 2011

1: process is a program at execution time. 2: a part of program i.e some set of instructionswhich are in main memory i.e. thread is process. 3: thread is the smallest unit of process.

Answered by: Vaibhav Raj on: Apr 11th, 2011

A Program is a passive unit of a job in computing language. It is a set of instruction toperform a task. It is stored on secondary memory and does not have any otherresource.While a ProcessÂ is an a...

Difference between a process and a program?

Asked By: Nithyaa | Asked On: Jun 18th, 2006 7 answers


Answered by: Deepak nehra on: Sep 18th, 2011

Multitasking can be achieved by Time sharing operating system. In time sharing O/S CPU timeis divided into fixed small time slices and each task given this fixed duration of time. It usesthe Round R...

Answered by: Rajnish Kumar on: Dec 8th, 2006

Time Sharing: programs are executed in an interlived manner that is 1st the programs aremerged together to form a single stream of instruction then given to the processos forexecution.Multitasking: ...

Difference between time sharing and multitasking systems?

Asked By: Gagan Anand | Asked On: Jan 4th, 2006 5 answers


Answered by: Sunny on: Aug 10th, 2011

Pre above explanation, only computer has "Hibernation Mode", whether the LAN HUB alsoinclude the function or not?

Answered by: kartik prakash on: May 18th, 2006

hibernation mode in windows refers to the mode in which we can just conserve power withoutclosing applications.when we shut down,all the applications closes first and then the systemgets off. but in...

What is the hibernation mode?

Asked By: satyagmk | Asked On: Nov 14th, 2007 3 answers


Answered by: mohammadali on: Aug 7th, 2011

The main difference between GPOS and RTOS is that the RTOS should be deterministic. Thatis, the time consumed by the operating system to execute it's service is fixed where as inGPOS it's variable...

Answered by: kranth.pothuganti on: Aug 19th, 2009

The main difference between GPOS and RTOS is that the RTOS should be deterministic. Thatis, the time consumed by the operating system to execute it's service is fixed where as inGPOS it's variab...

What is the main difference between gpos and rtos?

Asked By: tereraiterence | Asked On: Jan 26th, 2009 5 answers


Answered by: Basudev Mukherjee on: Jun 30th, 2011

semaphore is a abstract datatype and monitor is a programming construct...although bothperforms the function of mutual inclusion using monitor is sometimes safer than usingsemaphores because &...

Answered by: tejaswi.narsinga on: Sep 26th, 2010

Semaphores are variables used for the synchronization.

Semaphores

Describe how a semaphore is used in operating system?

Asked By: kishora | Asked On: Sep 22nd, 2006 7 answers

Types of file system in LINUX?


3 of 5 4/4/2012 2:41 AM


Answered by: sunilbaglur on: May 12th, 2011

Linux - File System format supportedEXT2 - Extended 2EXT3 - Extended 2 + JournalJFS -Journal file systemResier - Advanced JournalLVM - Logical Volume managerVFAT - FAT 16 /32EXT 4 [WHICH IS LATEST I...

Answered by: moorthyvsm on: Jul 8th, 2008

There are lot of file system types are used in Linux. Mostly Linux uses ext3 file ystem.You canknow by using the command given below.fdisk /dev/dsafdisk /dev/hdaOnce you executed theabove one just t...

Asked By: Prince | Asked On: Jul 29th, 2006 7 answers


Answered by: parupradhi85 on: Jul 22nd, 2008

Dear frnd,Win981. Win98 Support FAT file system & XP support NTFS And Also FAT. 2.Win98 Does not Having Remote Access facility While in XP there is.3. win98 Does not needfaster proce...

Answered by: parupradhi85 on: Jul 21st, 2008

1. Win98 Support FAT file system & XP support NTFS And Also FAT. 2. Win98 Does not HavingRemote Access facility While in XP there is. 3. win98 Does not need faster processing speedwhile XP Need ...

Difference between win98 and windowsxp?

Asked By: meera | Asked On: Oct 7th, 2005 35 answers


Answered by: charmy201 on: Aug 3rd, 2010

UNIX:- free- open - multiuser and multitasking- file system in hierachical model (each file is achil of another one)- no viruses ( because of the shell)- more stable- when it starts, it onlyruns nee...

Answered by: Murali505050 on: Jan 17th, 2010

UNIX is more secured Operating System.

What is the difference between UNIX and windows operating systems?

Asked By: julius 801 | Asked On: Feb 7th, 2011

Answer QuestionAnswer Question

Print i/o and disk i/o

Describe the advantages of having a seperate queue for print i/o and for disk i/o?

Asked By: pinky_princess88 | Asked On: Nov 21st, 2005 7 answers


Answered by: Jana Rthan on: Jan 3rd, 2011

Disadvantage:Â Not easy to interact with the system.Â Resource allocation is difficult.No back up is available

AdvantageÂ Direct HARDWARE ACCESS.

Answered by: shorty_soos on: Jan 1st, 2010

It allows you to use your computer without any knowledge of coding. Without an operatingsystem, your hardware would not work at all, until you wrote your own code for the hardwareto do what you want...

Discuss the advantages and disadvantages of removing operating systemaltogether?

Asked By: fatema sawan | Asked On: May 25th, 2010 3 answers


Answered by: Anil Kumar Katti on: Dec 31st, 2010

I think it is mentioned that 'x' is initialized to 0.I would solve it this way: Unrolling the loops,we get the following instructions to be executed in each of the following cases:C...

Answered by: nancyagg on: Jul 11th, 2010

Part A : Since in case1 X is not initialized. Therefore the resulting values in case 1 will besome garbage values stored in X earlier.Whereas in case2 X has been initialized therefore thepossib...

Data inconsistency / critical section

Consider the following program segments for two different processes (p1, p2) executing concurrently,where a and b are not shared variables, but x starts at zero and is a shared variable. case1:"processor #1 "for (a = 1; a

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Operating System Interview Questions _ KyaPoocha