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Explain the basic concepts of segmentation.
Segmentation definition
User view of program
Hardware used with diagram-segment table, base, limit & offset
Protection and sharing with diagram
Fragmentation
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 over
Describe the purpose of the checkpoint mechanism. How habitually must checkpoints be performed? Explain how the frequency of checkpoints affects: System performance while no
VoIP (Voice over Internet Protocol), also called Internet telephone, was once a novelty on the Internet, but not very useful because of all the problems with poor voice quality and
Process states in Linux OS Running: Process is either ready to run or running Interruptible: a Blocked part of a process and waiting for a signal or an event from anothe
What is an operating system and what are the different types of operating systems? Operating System An Operating System or OS is a software program that allows the compute
What does it mean for something to be thread-safe? By saying that X is thread-safe, we mean that if multiple threads use X at the same time, we don't have to worry about concurrenc
What is the information associated with an open file? Various pieces of information are associated with an open file which may be: File pointer Disk location of th
Advantages and disadvantages of time-sharing operating system
Several schemes available are as follows: Pipes : One-way communication process through which different process can interact. The problem is that the two processes could have
Q. Operating System as User Interface? • Every general purpose computer comprises the operating system, hardware, system programs and application programs. The hardware compris
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