CS201 PAST PAPERS FINAL TERM SOLVED BY WAQAR

JOIN OUR SOCIAL MEDIA GROUPS

FACEBOOK GROUP:     JOIN CLICK HERE
FACEBOOK PAGE:     JOIN CLICK HERE
WHATSAPP GROUP 1:  JOIN CLICK HERE
WHATSAPP GROUP 2:  JOIN CLICK HERE
TELEGRAM GROUP:      JOIN CLICK HERE

CS201 PAST PAPERS FINAL TERM SOLVED BY WAQAR

CS201 PAST PAPERS FINAL TERM SOLVED BY WAQAR

 

See additionally:

CS201 FINAL TERM SOLVED PAPERS BY WAQAR SIDHU.ENG101 FINAL TERM SOLVED MCQS.CS403 CURRENT FINAL TERM PAPERS.CS101 FINAL TERM SOLVED PAPERS BY MOAAZ MEGA FILE. CS201 FINAL TERM SOLVED PAPERS BY MOAAZ MEGA FILE. CS205 FINAL TERM PAST PAPERS. CS204 FINAL TERM PAST PAPERS. CS301 FINAL TERM SOLVED PAPERS BY MOAAZ. CS304 FINAL TERM SOLVED PAPERS BY MOAAZ. CS311 FINAL TERM SOLVED PAPERS BY MOAAZ. CS401 FINAL TERM SOLVED PAPERS BY MOAAZ

 

Working Programs: Semaphores:
Allow us to contemplate a time-sharing/multitasking working system controlling the actions of a pc with
a single printer. If a course of must print its outcomes, it should request that the working system give it entry
to the printer’s machine driver. At this level, the working system should resolve whether or not to grant this request,
relying on whether or not the printer is already being utilized by one other course of.

If it isn’t, the working system ought to grant the request and permit the method to proceed; in any other case, the working system ought to deny the request and maybe classify the method as a ready course of till the printer turns into avail- in a position. In spite of everything, if two processes got simultaneous entry to the pc’s printer, the outcomes can be nugatory to each.

CS201 PAST PAPERS FINAL TERM SOLVED BY WAQAR:


To regulate entry to the printer, the working system should maintain observe of whether or not the printer has been
allotted. One method to this process can be to make use of a flag, which on this context refers to a bit in reminiscence
whose states are also known as
set and clear, slightly than 1 and 0.

A transparent flag (worth 0) signifies that the printer is accessible and a set flag (worth 1) signifies that the printer is presently allotted. On the floor, this method appears well-founded. The working system merely checks the flag every time a request for printer entry is made. Whether it is clear, the request is granted, and the working system units the flag.

If the flag is about, the working system makes the requesting course of wait. Every time a course of finishes with the printer, the working system both allocates the printer to a ready course of or, if no course of is ready, merely
clears the flag.

 

YOUR FILE WILL BE READY IN 60 SECONDS

Papers accessible on hyperlink above