samreen khan

• Sep 12th, 2015

Multi-programming - Usually one processor. This is based on the concept that while we perform the IO process, the ALU may "execute" some other programs.

itcoll

 Profile Answers by itcoll Questions by itcoll

• Jan 11th, 2008

Multiprocessing-------------------- 2 or more processorsmultiprogramming-------------------usually one processor----------- this is based on the concept that while we perform the io process , the alu may "execute" some other pgm.s

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What is External Fragmentation?

Praveen Swamy

• Sep 2nd, 2015

External fragmentation happens when the memory allocator leaves sections of unused memory blocks between portions of allocated memory. For example, if several memory blocks are allocated in a continuo...

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Sumit kumar

• Aug 21st, 2015

The big diff. in both operating system is that if you know the commands of UNIX then it is the best for you but for the untrained user the Windows OS is best

charmy201

 Profile Answers by charmy201 Questions by charmy201

• Aug 3rd, 2010

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

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Editorial / Best Answer

Answered by: Aparna Patil

• Mar 24th, 2006

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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.

nigam

• Jun 2nd, 2015

FAT 1.it creats file allocated table. 2.dos support. 3.maximum size 32 gb. 4. convert fat to ntfs without data loss. 5.not support encryption, disk quota, compression. NTFS 1.create main file table. ...

Prashant

• Dec 10th, 2014

You cannot create a FAT32 volume larger than 32 GB

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Dinesh Rajput

• May 19th, 2015

It is dedicated to single work
Time sensitive
Deterministic
Scalable
Less interrupt latency
Cant use virtual memory concept

dikshith

• Oct 21st, 2013

GPOS

1.It is used in multiuser environment
2.protected memory model
3.non scalable
4.high interrupt latency
5.time insensitive

RTOS

1.it is dedicated to a single work
2.flat memory model
3.scalable
4.low interrupt latency
5.time sensitive

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rahul singh

• Feb 18th, 2015

In normal mode we can load all drivers but in safe mode load only selected drivers...

deepak pant

• Jul 6th, 2007

A bit is binary information. It is either 0 (off) or 1 (on). A 64-bit operating system can move 64 bits of data per clock cycle (1 GHz+ moves billions per second). Going from a 16-bit OS (Windows 3.1)...

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P. M. Aagjal

• Feb 12th, 2015

Resource manager

janardhan kasibisi

• Feb 10th, 2015

Interface between user and hardware

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Can you format the C drive without any media device? if yes how, and if no why?

Ganesh

• Feb 10th, 2015

We?cant?format?C drive?if?we ?use?windows?but?one?thing?we?can?do?if?we?need?to?clean?waists ?file?go?to?to?start?menu?write?disk?apply?the?option?of?clean medias

simple_anagh

 Profile Answers by simple_anagh Questions by simple_anagh

• Aug 13th, 2009

C drive can be formatted if it doesnt contain any operating system files, that means no OS is installed in C If OS is installed in C formatting may lead to system crashAnother way to format is to rebo...

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megha

• Feb 2nd, 2015

Multiprogramming---multiprogramming is interleaved execution of multiple program(jobs) by same computer(processor)

multiprocessing--- it is a coordinated processing of programs by more than one computer processor

Guest

• Oct 18th, 2006

Multi Programming: CPU will work more than one process by switching among themMulti Processing: Some systems have more than one processer to complete work quickly and efficientMulti Threading: It has no of flow of controls in the memory space.

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What is FIND, GREP and SED? Could you please give me the difference between all the three? Where we use this commnands?

Mohan Trichy

 Profile Answers by Mohan Trichy Questions by Mohan Trichy

• Dec 27th, 2014

Find Command is used to find the file.

grep Command is used to search the content in the file.

sed command is used to search, as well as modify the content in the file.

Mustafa

• Jun 14th, 2014

Find command is used to find a file.
grep command is used to find a contain or string in a file
sed command is used for filter purpose, if want to replace a word, want to print particular line of the file etc

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How does Operating System work with logical & physical address?

rasrak

 Profile Answers by rasrak Questions by rasrak

• Dec 11th, 2014

I think logical address is the ip address and mac address is physical, in every system has mac address this don't change

Krishna

• Dec 1st, 2014

These Terms Mostly Used IN "Data Base management System" and "OS". When you Search for Something on the Net (like Find The Best Football Player) The Data Shown In the Web Page Is Called Logical View ...

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Krishna

• Dec 1st, 2014

Cache Memory Placed B/w RAM and CPU. It Is Much More Faster Than RAM ,and Store Frequently Used Data so We Access them More Quickly .increasing the size may lead to latency and fail attempt to read / write problems. Cache Memory prices is Very High .

Sara

• Aug 18th, 2013

Cache memory is the fastest memory (after registers),which is situated between RAM and CPU. Data required by the user will stored in cache so whenever data is required CPU first check this memory and ...

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Krishna

• Dec 1st, 2014

Associative Memory :: Data store In it in (KEY, VALUE) Pair, HashTable Is A good Example Of It.HashTable Contain Keys and Data That are Associated With the key. If want the data We Provide the Key and Get The Data .It Most Widely Used Data Model TO storing Data

aravind kumar

• Jul 6th, 2013

Example:neural network which classify the data based on its content

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what is Belady's anomaly and why does it occur ? How would you avoid this ..?

lakshmi sampath

• Jul 16th, 2014

In FIFO page replacement algorithm some cases will exists sometimes like "when the no of frames increases the page faults increases".this anamoly arised is known as beladys anamoly.

Aditya

• Jul 11th, 2012

Usually, on increasing the number of frames allocated to a process virtual memory, the process execution is faster, because fewer page faults occur. Sometimes, the reverse happens, i.e., the executio...

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

Anuj

• Jul 9th, 2014

Monitor Programs

Lokesh M

 Profile Answers by Lokesh M Questions by Lokesh M

• Nov 30th, 2011

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

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Describe how a Semaphore is used in Operating System?

Kishore Rajendra

 Profile Answers by Kishore Rajendra Questions by Kishore Rajendra

• Mar 6th, 2014

Semaphore is an non-negative integer, which is used to provide mutual exclusion to processes trying to access a same resource. For example, if you are copying a file, then you cannot move it to some ...

user569

 Profile Answers by user569 Questions by user569

• Feb 7th, 2013

Semaphore is a shared binary variable which can take values either 0 or 1. The primary purpose of them is to ensure mutual exclusion property between or among the two or more processes that want to en...

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How to install OS from Server to all system?

Saleem

• Dec 11th, 2013

There are several ways we could install OS over the network, most dominated one is WDS and better than this is SSCM

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