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Problem:
a) The CPU can access 2 storage devices directly. What are these 2 storage devices?
b) Define 2 key issues involved in memory management.
c) How do processes share memory?
d) What alternative can be used if a space is not big enough to run a process?
e) Describe internal and external fragmentation.
f) Describe 4 algorithms for allocating regions of contiguous memory, and comment on their properties.
g) What is ‘page fault'? What are the 2 broad categories of events causing page faults?
Explain the OS/2 Operating System Like NetWare, OS/2 manage resources at three levels, as shown in Figure 4.5 Resources may be maintained at the session, process, and thread le
Operating Systems have evolved tremendously in the last few decades. The first approach for building Operating Systems, taken during the 40s through early 60s, was to allow only on
You must use fork and pipe to complete this project. This project creates processes to add all numbers in a file. The user will enter a number (1, 2, or 4) of parallel processes
Virtual addresses are made up of two parts: the ?rst part is the page number, and the second part is an offset inside that page. Suppose our pages are 4kb (4096 = 212 bytes) long,
what common event leads to the creation of a process?
Consider a setting where processors are not associated with unique identifiers but the total number of processors is known and the processors are organized along a bidirectional ri
Using pages makes it easier to manage the whole memory, avoiding excessive fragmentation and waste. As an analogy, think of Tetris, but with only square blocks: it is relatively ea
what is the operating cycle in vegetable growing?
Explain segmentation hardware? We define an completion to map two-dimensional user-defined addresses into one-dimensional physical addresses. This mapping is affected by means
BEST FIT ALGORITHM Here scanning is for the finest fit one. Signifies it searches the entire list for the best fit position. For the process therefore in that the process will
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