What is the difference between process and program? Is this difference important in single process operating system? Why? Why not?

indu_sweety

 Profile Answers by indu_sweety Questions by indu_sweety

• Jul 10th, 2009

Program is passive entity. After executing the program it becomes process, means it is active entity.

ankscorek

 Profile Answers by ankscorek Questions by ankscorek

• Mar 8th, 2009

Process is a passive entity whereas Program is an active entityProcess can fork out to enable exec of their children.

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What is the 32bit and 64bit platform OS? What is difference between 32bit and 64bit? Which latest OS from Microsoft does not suppourt 32bit?

Honest Liar

 Profile Answers by Honest Liar Questions by Honest Liar

• Aug 20th, 2011

32 bit and 64 bit....its size of instruction code , 64 bit...

devraj420

 Profile Answers by devraj420 Questions by devraj420

• Aug 7th, 2010

It depends upon two thing first architecure such as x64, x32 and processor.

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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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murali

• Nov 6th, 2007

1.alt+ctrl+delete. u will get taskmanager? goto "newtask"and? type "msconfig"there? u?? can? find?? "system restore? console"

sanjeetdaga

• Sep 8th, 2007

The reason is your explorer.exe is corrupted. explorer is responsible for displaying start menu and desktop.You can confirm by seeing that there is no process running by this name in "Windows Task Manager"

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sania

• Mar 7th, 2007

Full: Full backup means backing up everything. Incremental: Incremental backup means backing up everything that has changed since last full backup. Differential: Differential seems to be another...

jais

• Dec 21st, 2006

When you backup files, means that you make a safe copy of the file. So when the original data is corrupted , and if there is a backup of that original data, we can retrieve that original information.K...

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patel rajanikant

• Nov 13th, 2011

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

mamta09

 Profile Answers by mamta09 Questions by mamta09

• May 17th, 2008

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

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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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parupradhi85

 Profile Answers by parupradhi85 Questions by parupradhi85

• 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 need faster proce...

parupradhi85

 Profile Answers by parupradhi85 Questions by parupradhi85

• Jul 21st, 2008

1. 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 need faster processing speed while XP Need ...

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sunilbaglur

 Profile Answers by sunilbaglur Questions by sunilbaglur

• 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 IN RHEL6.0]

moorthyvsm

 Profile Answers by moorthyvsm Questions by moorthyvsm

• Jul 8th, 2008

There are lot of file system types are used in Linux. Mostly Linux uses ext3 file ystem.You can know by using the command given below.fdisk /dev/dsafdisk /dev/hdaOnce you executed the above one just type "l" and it will show all fil system types in linux.

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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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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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What is the difference between medium term Scheduler and Dispatcher?

sadhana kesavan

• Oct 5th, 2016

A scheduler will schedule processes based on priority information or whatever criteria the scheduling alforithm is following. It will tell you which is the next process to run after an existing execut...

ADNAN YOUSUF

• Nov 14th, 2015

What are dispatcher in OS?

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Jana Rthan

 Profile Answers by Jana Rthan Questions by Jana Rthan

• Jan 3rd, 2011

Disadvantage:?Not easy to interact with the system.?Resource allocation is difficult. No back up is availableAdvantage?Direct HARDWARE ACCESS.

shorty_soos

 Profile Answers by shorty_soos Questions by shorty_soos

• Jan 1st, 2010

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

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Shruti Garg

• Jun 19th, 2012

Multitasking is Timesharing system + Management of timesharing system. Therefore Multitasking is broader concept.

Deepak nehra

• Sep 18th, 2011

Multitasking can be achieved by Time sharing operating system. In time sharing O/S CPU time is divided into fixed small time slices and each task given this fixed duration of time. It uses the Round Robin scheduling algorithm.
thanks!!!!!!!!!

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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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ilushka

 Profile Answers by ilushka Questions by ilushka

• Nov 4th, 2011

Linux does not have to have a GUI. Unix is an OS built in the 60s and 70s at the Bell Labs and later it gave rise to many Unix-like, or *nix, operating systems. One example is Linux, kernel of which h...

AVINASH BANSAL

• Oct 29th, 2011

Unix i s created by AT&T BELL LABS AND MIT invited year in 1960's
linux is created by LINUS TORVALDS invited year in 1991
unix is not support processor Intel 386
linux is support processor Intel 386

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bcl

• Oct 31st, 2007

Just a note: In user mode, only non-privileged instructions are available. In privileged mode _all_ instructions are available. Thus the user mode has access to a subset of the CPU's available instruc...

ramesh kattamuri

 Profile Answers by ramesh kattamuri Questions by ramesh kattamuri

• Sep 18th, 2007

There are some schedulling algorithms?to control the?multiple interrupts?so many os ?mostly used priority based algorithm in this each process alloted with their priorities in that time they will execute.If not used any algorithms tat may lead to deadlock state.

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xyz

• Dec 4th, 2016

FIFOs are not bidirectional.

ayat khalid

• Feb 16th, 2015

Sockets allow communication between two different processes on the same or different machines. To be more precise, its a way to talk to other computers using standard Unix file descriptors. In Unix, e...

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mohamed Tausif

• Oct 16th, 2011

Wrong Ans ........bro ............. virtual memory is a feature of operating system that enables a process a memory(RAM) address space that is independent of other processes running, and USE THE SPACE THAT IS LARGER THEN THE ACTUAL AMOUNT OF RAM IS PRESENT.

Parthiban

• Oct 13th, 2011

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

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mansinghhansda

 Profile Answers by mansinghhansda Questions by mansinghhansda

• Dec 31st, 2009

DOS - Disk Operating System is a first OS developed by IBM

hari19784

 Profile Answers by hari19784 Questions by hari19784

• Sep 16th, 2007

The GM-NAA I/O input/output system of General Motors and North American Aviation was the first operating system in the history of computer science.[1]It was created in 1956 by Bob Patrick of General M...

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