Types of operating system by sukhendra sir

Work ads vk/kkj ij o/s dks theree parts esa divide fd;k tkrk gS %&

01 single user    -single tasking

02 ingle user    -  multi tasking

03 multi user  -   multi tasking

01 single user single tasking :-

                                                   bl rjg ads vks- ,l- esa ,d le; ij ,d user ,d gh dk;Z dks djrk gSA

tSls %& ms dos.

02 single user multi tasking :-

                                                 bl rjg ads vks-,l- esa ,d le; ij ,d user multipal work djrk gSA

tSls %& ms windows.

03 multi user multi tasking :-

                                                 bl rjg ads vks- ,l- esa ,d ls vf/kd user work djrs gSa] vkSj ,d ls vf/kd izdkj ads work dj ldrs gSa

tSls %& linux , unix , windows NT , etc.

different types of o/s

01 batch processing :-

                                    blrjg ads vks- ,l- esa tc user ,d ls vf/kd program dks ,d lkFk run djus dh dksf’k’k djrs gSa] rc computer mu program dks bdV~Bk djds ,d group ads :i esa store djrk gSA ftlls og program ,d batch ads :i esa dze by dze run gksrs jgrs gSaA ;g process seaquencial process gksrs gSAbl rjg ads vks-,l- esa job process  gksus esa time vf/kd yxrk gS] vkSj reponce time vf/kd gksrk gSA

disadvantage of batch processing

01 processing time vf/kd gksrk gSA

02 turn around time vf/kd gksrk gSA

03 user viuh vko’;drkuqlkj process dk batch rS;kj ugha dj ldrkA

Multi       programming o/s

Multi programming o/s esa ,d lkFk ,d ls vf/kd program dikes ,d cpu ads ek/;e ls run fd;k tkrk gS] ;gk¡ ij  cpu ,d program ls nwljs program ij switch djrk gS] vkSj lHkh program dks ,d lkFk run djrk gSA ;gk¡ ij cpu ,d fu/kkZfjr time ads vk/kkj ij vyx&vyx program dks run djrk gS] rFkk input, output operation Hkh djrk gSA multi programming esa main memory esa lHkh program ads three stage gksrs gSaA

01 running   

02 blocked

03 ready

Main memory esa ,d ls vf/kd program dks  store dj fn;k tkrk gS] vkSj ,d fu/kkZfjr time ij cpu mUgs  run djrk gSA