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MEMORY MANAGEMENT USING BIT MAPS
In this memory is separated into different allocation units each of some particular size(a few bites).consider every space of size 4k.
A bit map is here. In this we represent the bit value as 0 or 1.
1-hole
0-process
In this we are able to represent the process and hole separately.
One line of this bit map will have eight spaces
Define what is Dispatcher In the Worker Model, it is the task of the Dispatcher to spawn a thread for every client-to-server connection. The Dispatcher acts as the go-between o
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 ,
The term IPC (Inter-Process Communication) defines several paths by which different process executing on some operating system interact between each other.
A daemon is a process that removes itself from the terminal and disconnected, executes, in the background, waiting for requests and responding to them. It may also be described as
Q. Consider a distributed system with two sites A and B. Consider whether site A can distinguish among the following: a. B goes down. b. The link between A and B goes down.
Now let's implement bounded producer-consumer with semaphores, a Coke machine which is initially empty: semaphore sem_mutex = 1 // binary semaphore for mutual exclusion, 1==unlo
Q. Segmentation is alike to paging but uses variable-sized "pages". Describe two segment-replacement algorithms based on FIFO and LRU page replacement schemes. Remember that since
Define seek time and latency time. The time taken by the head to move to the appropriate cylinder or track is known as seek time. Once the head is at right track, it must wait
Process Synchronization in windows 2000
Determine a component of a process precedence sequence Process name, Sequence operator ‘;’ and Concurrency operator ‘,’
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