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What is multiprogramming?
Multiprogramming: The management of many processes within a single processor system. Operating systems such like UNIX provide multiprogramming for shared single processor systems. In the single-processor multiprogramming system processes are interleaved in time to yield the appearance of simultaneous implementation. It is the essential theme of modern operating systems
The introduction of multiprogramming brought concerning the ability to share resources among users. Sharing engrosses not only the processor but also the following
In a multiprogramming environment guard of main memory is essential. The concern isn't only the security but as well the correct functioning of the various processes that are active if one process is able to inadvertently write into the memory space of another process then the latter process may not execute properly.
Effects of ultiprogramming on resource utilization Multiprogramming
Processor use 33%
Memory use 67%
Disk use 67%
Printer use 67%
Elapsed time 15 min
Throughput time 12 jobs/hr
Mean response time 10 min
Pure and impure interpreters In a pure interpreter, the source program is maintained in the source form throughout its interpretation. This arrangement acquires substantia
Swapping : Whole process is moved from the swap machine to the main memory for execution. Process size must be equal or less than to the used main memory. It is easier to exe
Explian Integrating a Request/Response Mechanism Traditional application developers will need to develop a mechanism for communication between requesting (client) and respondin
Translation Look aside Buffer In a cached system, the base addresses of the last few indexed pages is maintained in registers named the TLB that adds in faster lookup. TLB has
Q. Why page sizes always powers of 2? Answer: Recall that paging is executed by breaking up an address into a page and offset number. It is most competent to break the address
What is bounded buffer
Making the Transition to Client - Server Programming Making the transition to client - server programming is a significant effort. Client - server applications must be designed
Q. Can a system detect that some of its processes are starving? If you answer "yes," explain how it can. If you answer "no," explain how the system can deal with the starvation pro
The primary financial objective of corporation is usually taken to be the maximization of shareholder wealth. Discuss:- i. Ways in which the shareholder of a company can encour
What is meant by file management systems? File Management systems are as well referred to as simply a file system .File system is the system that an OS operating system or prog
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