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message passing system-the function of message system is to permit processes to communicate with one another without the requirement to resort option
explain about interprocess communicationthe cooperating processes communicate with each other via an interprocess communication facility ipc gives a
what are the various process scheduling concepts a scheduling queues with diagram b queuing diagram c schedulers d context switch with
what are the system components of an operating system and explain thema process managementb main-memory managementc io managementd file managemente
explain how protection is provided for the hardware resources by the operating systemdual mode operation sharing system resources needs operating
explain the various types of computer systemsmainframe systemslarge number of cpu with greatest processing power huge memory capacity increased
describe the differences among short-term medium-term and long-term scheduling short-term cpu scheduler-selects from jobs in memory those jobs
list five services provided by an operating system explain how each provides convenience to the users explain also in which cases it would be
what are the main advantages of the microkernel approach to system designbenefits typically contain the following a adding a new service does not
what is the main advantage of the layered approach to system design as in all cases of modular design designing an operating system in a modular way
what is the purpose of system programssystem programs can be thought of as bundles of useful system calls they give basic functionality to users and
what is the purpose of system calls system calls permit user-level processes to request services of the operating
what is the purpose of the command interpreter why is it usually separate from the kernelit reads commands from the user or from a file of commands
what are the five major activities of an operating system in regard to file management the creation and deletion of filesthe creation and deletion of
what are the three main activities of an operating system in regard to secondary-storage managementa free-space managementb storage allocationc disk
what are the three main activities of an operating system in regard to memory managementkeep track of which parts of memory are now being used and by
what are the five major activities of an operating system in regard to process managementthe creation and deletion of both user and system
what is the main difficulty that a programmer must overcome in writing an operating system for a real-time environmentthe main difficulty is keeping
describe the differences between symmetric and asymmetric multiprocessing what are three advantages and one disadvantage of multiprocessor
under what circumstances would a user be better off using a time-sharing system rather than a personal computer or single-user workstationwhen there
we have stressed the need for an operating system to make efficient use of the computing hardware when is it appropriate for the operating system to
define properties of distributed operating systemdistributed- this system distributes computation among several physical processors the processors do
define properties of real time operating systemreal time - often used in a dedicated application this system reads information from sensors and must
define properties of time sharing operating systemtime sharing- this systems uses cpu scheduling and multiprogramming to provide economical
define the properties of interactive operating systeminteractive- this system is composed of many short transactions where the results of the next