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What is the purpose of system programs?
System programs can be thought of as bundles of useful system calls. They give basic functionality to users and so users do not require writing their own programs to solve common problems.
What are the advantages of Linked allocation? The benefits are a. No external fragmentation b. Size of the file does not require to be declared
What is a file? A file is a named collection of related information that is recorded on secondary storage. A file having either programs or data. A file has particular "structu
What are files and explain the access methods for files? File definition Attributes, operations and types Direct access Sequential access with diagram Other access
Logical File System Responsible for providing the before discussed interface to the user including: File access. Directory operations. Security and protection.
What is an acyclic graph? A tree that has been corrupted by links to other branches, but does not have any cyclic paths in it.
What is the sequence in which resources may be utilized? Under normal mode of operation, a process may utilize a resource in the following sequence: Request: If the requ
simulate hole allocating ahogrithm
examples of independent process
What is multiprogramming? Multiprogramming: The management of many processes within a single processor system. Operating systems such like UNIX provide multiprogramming for sha
Write a short note about the different STATES of a process. As a process implement it changes state. The state of a process is described in part by the current activity of that
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