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What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
Garbage collectors trade space for time. If we collect all the time (which requires a lot of processing time), the GC allocator will use the least memory possible. On the other han
What is the resident set and working set of a process? Resident set is that portion of the process image that is actually in real-memory at a certain instant. Working set is th
What is indexed allocation? Every file has its own block of pointers to the sectors of the file.
There are three kinds of Data Abstraction: Physical level: The minimum level of abstraction defines how data are saved. Logical level: The next bigger level of a
simulate hole allocating ahogrithm
Parent and Child process communicate in unix A child and parent can interact through any of the normal inter-process communication schemes (pipes, message queues, sockets, s
What is a file? A named collection of related data explained by the creator, recorded on secondary storage.
How is memory management done using linked lists? Each one node of the l list will have 4 fields as follows 1-this tells whether it s a hole or a process 2-starting ad
Managing the interaction of client and server Among the differences between traditional application programs and client server ones is that developers must create a mechanism
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