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Q. Definition of Operating System?
Definition of Operating System:
• An Operating system is a program which controls execution of application programs and acts as an interface between user of a computer and computer hardware.
• A more common definition is as follows: operating system is the one program running at all times on the computer (typically called the kernel) with all else being applications programs.
• An Operating system is concerned with the allocation of services andresourceslikeprocessors, memory, information and devices. TheOperating System respectively includes programs to manage these resources like a traffic controller, a scheduler, memory management module, I/O programs and a file system.
In which page replacement policy Balady’s anomaly occurs? FIFO (First in First Out)
The term IPC (Inter-Process Communication) defines several paths by which different process executing on some operating system interact between each other.
How can deadlocks be represented? Deadlocks are able to be described in terms of a directed graph called as a system resource-allocation graph. This graph contains of the foll
What lead to the concept of paging? The main memory is separated into two parts that are one for the resident operating system, and one for the user processes. We may perhaps p
Compare 2 different operating systems.
why some companies do not pay sufficient attention to staff induction
General graph directory The serious problem with using an acyclic-graph structure is ensuring that there are no cycles. When we insert links to an existing tree-structured dire
SCAN o Go from the outside to the inside servicing requests and after that back from the outside to the inside servicing requests. o Replicate this over and over. o Diminish
advantages and disadvantages of monolithic and layered approach
linked allocation using i node
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