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What is internal fragmentation?
Consider holes of 20k assume the process requests 18 bites. If we allocate accurately the request block, we are left with a hole of 2k. The overhead to keep follow of the hole will be considerably larger than the Hole itself. The common approach is to break the main memory in units of block size as with this approach the allocated memory to a process may be slightly larger than he requested memory. The dissimilarity between these two numbers is internal fragmentation (memory internal to a process but cannot be used).
Since each thread has its own processing space therefore communication between threads will need to be done through a common global variable. Since multiple threads can access the
Explain the Novell NetWare NetWare doesn't really have the concept of processes in the architecture, as the most closely associated element in the NetWare environment to
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
Question : a) Describe the difference between the authentication of a user account on a peer to peer network and a client server network. b) Compare an end user account with
The term ‘page traffic’ explains Page traffic’ explains the movement of pages in and out of memory.
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
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Signal handling A signal is used in UNIX systems to inform a process that a particular event has occurred. 1. A signal is produced by the occurrence of a particular event.
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