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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?
Question : The file system is the most visible aspect of an operating system. It provides the mechanism for on-line storage and access to both data and programs of the operatin
Describe Three major roles of operating systems in business computer systems
Q. Consider a system that holds 5000 users. Presume that you want to allow 4990 of these users to be able to access one file. a. How would you denote this protection scheme in
factors that influences layout
Describe the differences between symmetric and asymmetric multiprocessing. What are three advantages and one disadvantage of multiprocessor systems? Symmetric multiprocessing t
What are the three main activities of an operating system in regard to secondary-storage management? a) Free-space management. b) Storage allocation. c) Disk scheduling.
What is preallocation? Why do it? Allocating space for a file before making the file to allow for expansion. This reserves space for a certain file so that other files can't gr
Q. Presume that you have coded the deadlock-avoidance safety algorithm as well as now have been asked to implement the deadlock-detection algorithm. Can you do thus by simply usin
what is dual mode operation
Define busy waiting and spinlock. When a process is in its significant section, any other process that tries to enter its critical section must loop continuously in the entry c
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