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What are the services provided by the operating systems? Program Development It provides a variety of services and facilities, such as debuggers and editor, to help the
Process states in Linux OS Running: Process is either ready to run or running Interruptible: a Blocked part of a process and waiting for a signal or an event from anothe
What is Demand paging? Virtual memory is commonly executed by demand paging. In demand paging, the pager brings only those essential pages into memory instead of swapping in a
Problem: a) To ensure proper operation, the operating system and all the other programs must be protected from any malfunctioning program. Describe a mechanism which is impleme
Q. How Program execute in operating system? Program execution: Operating system loads a program in memory and executes the program. The program should be able to end its exec
Direct memory access Many computers avoid burdening the main CPU with programmed I/O by offloading sine if this work to a special-purpose processor known as a direct memory add
Explain external fragmentation? External fragmentation is the process where the free space and the space still available for use, in a piece of storage become separated into ma
What is a buddy system? We are dividing the memory as powers of two therefore the division will be 2, 4, 8, 16, 32, 64, 128, 256...i.e. in powers of 2 as well as we are selecti
Q. In following Section we mentioned that disabling interrupts frequently could affect the system's clock. Describe why it could and how such effects could be minimized.
Define the Non Monolithic Coding First off, client - server developers must adopt a new programming mindset. Much as with the shift to object - oriented design, developers sho
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