Define buffering, Operating System

Assignment Help:

Define buffering.

A buffer is a memory area that keeps data whereas they are transferred among two devices or among a device and an application. Buffering is done for three reasons

a. To cope with a speed mismatch among the producer and consumer of a data stream

b. To adapt among devices that have dissimilar data transfer sizes

c. To support copy semantics for application I/O

 


Related Discussions:- Define buffering

Explain second-chance algorithm, Second-Chance algorithm When a page ha...

Second-Chance algorithm When a page has been selected, we inspect its reference bit. If the value is 0, we proceed to replace this page. If the reference bit is set to 1, thoug

What is the information associated with an open file, What is the informati...

What is the information associated with an open file? Various pieces of information are associated with  an open file which may be: File pointer Disk location of th

Explain linked allocation, Linked allocation With linked allocation, ev...

Linked allocation With linked allocation, every file is a linked list of disk blocks; the disk blocks might be scattered anywhere on the disk. The directory has a pointer to th

necessary conditions for a deadlock , Q) a. Given that the first three nec...

Q) a. Given that the first three necessary conditions for a deadlock are in place, comment on the feasibility of the following strategy. All processes are given  unique priorities.

How many disk operations are needed to fetch the i-node, How many disk oper...

How many disk operations are needed to fetch the i-node for the file /usr/ast/courses/os/handout.t? Assume that the i-node for the root directory is in memory, but nothing else alo

Kernel to context switch between kernel level threads, Q. Explain the actio...

Q. Explain the actions taken by a kernel to context switch between kernel level threads. Answer: Context switching among kernel threads classically requires saving the value

Malloc, I need help implementing malloc

I need help implementing malloc

NETWORK OPERATING SYSTEM, explain about design issues of network operating ...

explain about design issues of network operating system

What effect would updating a few byte on the one page, Q. What is the effe...

Q. What is the effect of permitting two entries in a page table to point to the same page frame in memory? Describe how this effect could be used to decrease the amount of time ne

Define virtual memory, Define Virtual memory Virtual memory is employe...

Define Virtual memory Virtual memory is employed in all major commercial operating systems

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd