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What is a Process Control Block?
Every process in the operating system is represented by a process control block as well called a task control block. It contains several pieces of information associated with a specific process such as
Q. Explain about Functions of Operating System? Functions of Operating System Operating system performs 3 functions as follows: 1. Convenience: Operating System mak
Q. Explain about Error detection method? Error detection: error can occur in CPU, in I/O devices or in memory hardware. Operating system constantly needs to be aware of possi
What is Directory? The device directory or simply called as directory records information-such as name, location, size, and type for all files on that certain partition. The d
linked allocation using i node
Define deadlock avoidance. An alternative method for avoiding deadlocks is to need additional information about how resources are to be requested. Every request requires the sy
what is a batch system give me answer in simple words so that i can understand
Briefly explain about file system implementation? Several on-disk and in-memory structures are used to execute a file system. On disk, the file system may have information abou
An operating system provides the environment within that programs are executed. Internally operating systems differ greatly in their makeup because they are organized along many di
what is the use of valid invalid bits in paging
Explain the difference between internal and external fragmentation. Internal Fragmentation is the area in a region or a page that is not used by the job occupying that region o
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