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Linked list allocation using index
The blocks don't have a fixed size. Pointers are utilized to point to the next block in a file. The pointers are set aside as a separate table in the main memory. Therefore traversal is made easier since we need not go to the hard disk each time a block needs to be accessed.
Consider a file with these blocks 4K, 2K, 10K, 1K
The table for the file pointers can be symbolized as follows:
Parent process P creates three child processes, C1, C2, and C3. Each child process executes a memory and CPU intensive application of your choice. Your choice should be such that
Applications allocate memory in terms of the number of bytes that they need, but this level of granularity is too ?ne-grained for the operating system to manage the system memory i
Can a direct access file be read sequentially? Explain. Yes. Keep a counter, cp, initially set to 0. After reading record cp, increment cp.
Question: (a) The following table (table 1.0) gives the length of the CPU burst time in milliseconds of processes P 1 to P 4 . Assume the processes arrived in the order P 1 ,
what is the use of valid invalid bits in paging
Define the Main reason to encrypt a file Major reason to encrypt a file is secure it for transmission.
describe competing process
A Unix shell is a shell or command-line interpreter that gives a traditional user interface for the Unix-likesystems and for Unix operating system. Users operates the operation of
Q. How does the distinction among kernel mode and user mode function as a rudimentary form of protection (security) system? Answer: The distinction among kernel mode and user m
Medium term scheduling This is component of the swapping function. Usually the swapping in decision is based on the need to manage the degree of multiprogramming. At a system t
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