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Explain bounded buffer and unbounded buffer.
Here in a producer-consumer problem the producer process produces information that is consumed by a consumer process. At this time a buffer is used and that buffer is filled by the producer and emptied by the consumer.
A buffer maybe bounded or unbounded
Unbounded buffer: The consumer may have to wait for new items however the producer can always produce new items an unbounded buffer places no practical limit on the size of the buffer.
Bounded buffer: A bounded buffer supposed that there is a fixed buffer size. In this case the consumer should wait if the buffer is empty and the producer must wait if the buffer is full.
How can an index file be used to speed up the access in direct-access files? Have an index in memory; the index gives the key and the disk location of its corresponding record.
FIFO page replacement This is the easiest page replacement algorithm. At this juncture the 1 st page entering is the 1 st to leave that is the oldest page leaves. To execute
Case laws related to accounting for investment
We are use to using variables within C without thinking about where they are stored. Most variables are dynamic i.e. can change, therefore they are stored in Ram, unlike a program
Take the binary number and divide it into groups of 4 bits starting from the right hand side , if no group of 4 exists fill out leading 0's, then convert each group of 4 to a hex n
Select any business process within this firm, describe it as a set of steps then fill the following table (flow, information, sender and receivern #Minimum 100 words accepted#
draw a state diagram showing the transissions of a process from creation to termination
Q. Describe why SSTF scheduling tends to favour middle cylinders over the innermost and outermost cylinders. Answer: The middle of the disk is the location having the smalles
Q. What are the three main activities of an operating system in regard to memory management? Answer: a. Keep follows of which parts of memory are currently being used and
LIST OUT THE NETWORK OPERATING OS
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