Tuesday, December 31, 2019

How Operating System Handle Their Process Management

PROCESS MANAGEMENT How operating system handle their process management WINDOWS 7 In windows, memory is managed by the system and metadata about processes is often stored in registry. Each process provide the resources needed execute the program. Each process start with single thread, often called primary thread but can create additional thread of its any thread. In windows you can review the process and control them through task manager. Multitasking Windows support preemptive multitasking, which is create the effect of simultaneous execution of multiple thread from multiple process. Moreover , multiple thread within the same process may be allocated to separate processor and execute simultaneously. Threads states An existing windows thread in one of six states : ïÆ' ¼ Ready: May be scheduled for execution. . The microkernel dispatcher keeps track of all ready threads and schedules them in priority order. ïÆ' ¼ Standby: A standby thread has been chosen to run next on a particular processor. The thread waits in this state until processor is available. If the standby thread s priority is high enough, the running thread on that processor may be preempted in favor of the standby thread. Otherwise, the standby thread waits until the running thread timed out. ïÆ' ¼ Running: The standby thread enters the running state and begins execution and continues execution untilShow MoreRelatedEssay on Cis Memory Management1577 Words   |  7 Pagesto show how memory is used in executing programs and its critical support for applications. C++ is a general purpose programming language that runs programs using memory management. Two operating system environments are commonly used in compiling, building and executing C++ applications. 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