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summary of what operating system do
Write a short note on disk scheduling One of the responsibities of operating system O/S is to use the hardware efficiently. Whenever a process requires I/O to or from the
define pipe
50 peripharal device name ,diagram and uses
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
Question 1: "Three entities must be accountable and responsible for accident prevention." (a) List and explain these three entities. (b) Discuss the role of workers in ma
Allocators can also be used to avoid problems with unsafe languages. C and C++ are pervasive, with huge amounts of existing code. They are also memory-unsafe languages, in that the
Q. Consider a calculating environment where a process is given the privilege of accessing object only n times. Suggest a scheme for implementing this policy. Answer: Add an i
Entry-sequenced file organization The records in an entry-sequenced file are store up in the order they are written into the file. New records are for all time appended to
Logical File System Responsible for providing the before discussed interface to the user including: File access. Directory operations. Security and protection.
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