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Describe the following allocation algorithms:
a. First fit
b. Best fit
c. Worst fit
a. First-fit: search the list of available memory and allocate the first block that is big enough.
b. Best-fit: search the whole list of available memory and allocate the smallest block that is big enough.
c. Worst-fit: search the whole list of available memory and allocate the largest block.
ADVANTAGES AND INCONVENIENCES OF ULT Advantages: Thread switching doesn't involve the kernel - no mode switching Scheduling is able to be application specific -
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whats the problem in two state model ?
Define a layer that is not of an IO management module MCS that is Management Control System is not of an IO management module
Allocators can also be used to avoid problems with unsafe languages. C and C++ are pervasive, with huge amounts of existing code. They are also memory-unsafe languages, in that the
What are the different accessing methods of a file? The different types of accessing a file are: Sequential access: Information in the file is accessed sequentially
Extend task 1 so that the requests are issued by the clients instead of the server. The server now do not use the "all_requests.dat" file. Instead every client thread reads from
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Question: Concurrency and Synchronization a) Define the following terms: I. Critical section II. Mutual Exclusion III. Deadlock IV. Starvation. b) Name three methods w
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