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Define properties of Real time operating system
Real time :- Often used in a dedicated application, this system reads information from sensors and must respond within a fixed amount of time to ensure correct performance.
What are the requirements for solution of critical section problems? Mutual exclusion : If process p is implementing in its critical section then no other processes can be exe
The dynamic memory allocator is a layer between the application and the OS, managing heap objects. When a program requests memory from the allocator (via malloc(), for instance), t
A daemon is a process that removes itself from the terminal and disconnected, executes, in the background, waiting for requests and responding to them. It may also be described as
Before proceeding with its execution, every process must obtain all the resources it needs is called Hold and wait
what is an operating system?
What are kernels and what do kernels do? The kernel is a program that comprises the central core of a computer operating system. It has entire control over everything that
what is the use of valid invalid bits in paging
What is named pipes?
Virtual addresses are made up of two parts: the ?rst part is the page number, and the second part is an offset inside that page. Suppose our pages are 4kb (4096 = 212 bytes) long,
System Service Program system service program Supports and provides the services for other program. System service program perform Varity of tasks. They are further divided in
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