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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?
What is Multitasking? Multitasking provides power to users by offering them to run multiple applications at once. The applications are loaded into memory and appear to the user
How Memory utilization factor shall be computed Memory utilization factor shall be defined as Memory in use/total memory connected
I need help implementing malloc
Explain FIFO page replacement A FIFO replacement algorithm associates with every page the time when that page was brought into memory. When a page must be changed, the oldest p
What is a Latency Time Latency Time is the time required through a sector to reach below read/write head.
What is File Allocation? The structure that offers the FAT file system its name is the file allocation table . In order to know what this important table does, you should fir
How do we keep track of where the free pieces of memory are? One idea is to maintain a set of linked-lists of free space; each linked-list will store free chunks of some given size
Give a brief introduction about the operation of your program and show that you understand the idea behind threads and mutual exclusion variable. Why do we need to use mutual exclu
LOOK o Like SCAN except stops moving inwards (or outwards) when no more requests in that direction exist. C-SCAN (circular scan) o Moves inwards servicing requests u
What are three conditions that a solution for the critical section problem must satisfy? The three conditions are as following:- a) Mutual exclusion :- if a process is
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