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Define the Server Communications Module or SCM
The Server Communications Module (SCM) performs many necessary functions. The SCM responsible for establishing, maintaining, and destroying connections, as well as providing interfaces to sent and receive data on those connections.
This module is responsible for calling the Worker Dispatcher for thread execution, as well as providing interfaces to the Executor for sending and receiving network transmissions. The SCM should also register and maintain communication data for each client.
Architects Applications by Making Use of Multitasking As the capability of computer hardware keeps increasing, operating systems are presented with overwhelming opportunities.
Q. Why is it important to scale up system bus and device speeds as the CPU speed increases? Answer: Consider a system which carries out 50% I/O and 50% computes. Doubling-up
MEMORY MANAGEMENT USING BUDDY SUSTEM Here we are dividing the memory as powers of two as well as we are selecting the space which is smallest but large enough to hold a process
what is the use of valid invalid bits in paging
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
what is application software?
List two types of system directories A) Device directory:- Describing physical properties of files. B) File directory :- Giving logical properties of the files.
Q. What are the three main activities of an operating system in regard to secondary-storage management? Answer: 1) Free-space management 2) Storage allocation 3) Disk
What is a Dispatcher? The dispatcher is the module that gives control of the CPU to the process selected by the short- term scheduler. This function includes: Switching
explain goals of system software
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