File Operation

1)         Creating  a file:

                                                           A file is an abstract data type. The operating system can provide system cal...............


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By dhruvi   chaudhari  in Operating System  on 3/3/2015 1:55:15 AM   Read more...


File access method

                              File access method stores information when it is used this information must be access and read into a computer memory this information in the file can be access by several ways:

 

1)         sequential method:

       &...............


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By dhruvi   chaudhari  in Operating System  on 3/3/2015 1:56:49 AM   Read more...


Desktop System

Desktop operating system is the control program in a user machine like desktop, laptop it is also called client operating system.

                                                [Windows, Mac OS, Linux are Client Operating System]

 

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By Ankit   Chaudhari  in Operating System  on 3/4/2015 1:29:28 AM   Read more...


Distributed System

Distributed System instead of Centrals large computer trends two words. Having a number of smaller systems at different work side but connected to a network become strong.

     àThere are two types of operating system which manages these things.

    [1]Network Operating System

    [2]Distributed Operating System

 

    àThere is fundamental difference between this two in Netwo...............


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By Ankit   Chaudhari  in Operating System  on 3/4/2015 1:33:16 AM   Read more...


1. Batch operating system

                       The earlier computer`s where from a console a common input device where card reader and tape drives and the common output devices when Line printer,Tape drives and Card punches. The user didn`t interact directly with the computer system. The user prepared a job which consist the program, data and some controlled information about...............


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By pankaj   faliyachi  in Operating System  on 3/4/2015 1:39:49 AM   Read more...


Multiprogram operating system

                    The most important of the jjob scheduling is the ability to handle multiple job. A single user can not kept either a C.P.U. or the input devices busy at all the time multi-programming increase C.P.U. utilisation by organising jobs . so that the C.P.U. always has one to execute. The operating system keep several job in the memory simonteniously the...............


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By pankaj   faliyachi  in Operating System  on 3/4/2015 1:43:13 AM   Read more...


 Time sharing operating system

                       Multi program and batch system provide an environment where the various system resources very well utilize effectively but it did not provide user interaction with the computer system. The time sharing (multi tasking ) is a logical extension of multi program system. The C.P.U. execute multiple jobs by switching among them but swi...............


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By pankaj   faliyachi  in Operating System  on 3/4/2015 1:47:07 AM   Read more...


Clustered system

Multiprocessor system + distributed system = clustered system.

 

 

                            Clustered system combination baste fetchers of both distributed operating system and multiprocessor system there is  no concrete definition of ...............


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By suraj   dube  in Operating System  on 3/4/2015 1:55:24 AM   Read more...


Hand-held system

Hand-held system include personal digital assistant, such as cellular phone with connectivity of network such

 As internet due to this limited size most hand-held devices have a small amount of memory include slow processor and small

 Display screen many hand-held devices have between 512 km to 8 MB of memory as a result operating system and application


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By suraj   dube  in Operating System  on 3/4/2015 1:58:51 AM   Read more...


Multi-user operating system

   Multi-user operating system menace more then one user access the computer system at one time, access to computer

System is normally provided via network so that users access the computer remotely using a terminal of ether computers in the

Early days of large multi-user computer, multiple terminals were provided this terminal can send there commands to the main

Multi-user computer for processing and result is display on the associated terminal monitor scree...............


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By suraj   dube  in Operating System  on 3/4/2015 1:59:59 AM   Read more...


Single user operating system

     Single user operating system is desaine to manage the computer so that one user can efficiently do one think at

a time the operating system such as dos, windows 95,windows97,windows98,are arsenical single user operating system.

The operating system for hand-held system is example of single user operating system.

                 They provide you to capability to perform ...............


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By suraj   dube  in Operating System  on 3/4/2015 2:01:05 AM   Read more...


Tizen Operating System

 

Tizen  is an operating system based on the Linux kernel and the GNU C Library implementing

the Linux API. It targets a very wide range of devices including smartphones, tablets,

in-vehicle infotainment (IVI) devices, smart TVs, PCs, smart cameras, wearable computing

(such as smartwatches), B...............


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By prerit   gamit  in Operating System  on 3/24/2015 11:52:23 PM   Read more...


DMA

DMA is method of transfering data from the computer RAM to another part of the computer without processing while most data that is input or output from your computer process by the cpu, some data does not requered processing or can be process by anotherdevice.In this setuavation DMA can save processing time and is a more ifficient way to move data from the computer memory to other device.

 

             &nbs...............


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By varsha   jain  in Operating System  on 3/31/2015 11:46:00 PM   Read more...