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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.
What are the various file operations? The six basic file operations are Creating a file Reading a file Writing a file Repositioning within a file Tr
Compare user threads and kernel threads. User threads:- User threads are supported above the kernel and are executed by a thread library at the user level. Thread creation
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a program that can do cpu scheduling algorithm priority using javascript or php to display gaant chart and calculate waiting and average waiting time
What is degree of multiprogramming ? Degree of multiprogramming signifies the number of processes in memory. If the degree of Multiprogramming is steady after that the average
what are reasons for cooperating processes
why we say" OS is a resource allocator" and “OS is a control program"?
Compare 2 different operating systems.
Q. Describes responsibilities of the I/O manager? Answer: The I/O manager is responsible for file systems and device drivers and network drivers. The I/O manager keeps follow
Give an overview of UNIX based file systems. UNIX and UNIX-like operating systems allocate a device name to each device, other than this isn't how the files on that device are
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