What is write-back or copy-back protocol, Computer Engineering

Assignment Help:

What is write-back or copy-back protocol?

For a write operation using this protocol during write-hit: the method is to update only the cache and to mark it as updated with an associated flag bit, often called the modified or dirty bit. The main memory location of the word is updated later, when the block having this marked word is to be removed from the cache to make room for a latest block.

For a write-miss: the block having the addressed word is first brought into the cache, and then the deserved word in the cache is overwritten with the latest information.

 

 


Related Discussions:- What is write-back or copy-back protocol

What is repository info. systems, What is Repository Info. Systems? It ...

What is Repository Info. Systems? It is a tool with which you can create data stored in the ABAP/4 Dictionary available

Dfa, design a dfa which accept all the string over a and b ending with ab o...

design a dfa which accept all the string over a and b ending with ab or ba

Define word/byte rotation and xor bit masking encryption, Define Word/byte ...

Define Word/byte rotation and XOR bit masking encryption technique to make sure secured transactions on the net? Word/byte rotation and XOR bit masking: In this process t

Hashing collision resolution techniques, Hashing collision resolution techn...

Hashing collision resolution techniques are a) Chaining, b) Bucket addressing

Fundamental differences between risc and cisc architecture, Q. Fundamental ...

Q. Fundamental differences between RISC and CISC architecture? Fundamental differences between RISC and CISC architecture. The following table lists following differences:

Soundness - artificial intelligence, Soundness - artificial intelligence: ...

Soundness - artificial intelligence: You may see in some application domains-for example automated theorem proving - that your search is "sound and complete". The soundness in

#title.physics, Describe the construction and working of michelson ...

Describe the construction and working of michelson iinterferometer.describe the formation of different types of fringes in Michaelson''s interferometer

First-order models, First-Order Models: Here if we proposed first-orde...

First-Order Models: Here if we proposed first-order logic as a good knowledge representation language than propositional logic is just because there is more expressive than we

Addressability of memory - computer architecture, Addressability: Loc...

Addressability: Location-addressable Each alone accessible unit of information in storage is chosen with its numerical memory address. In the modern computers, location-a

Advantages & disadvantages of public-key cryptography, Advantages & Disadva...

Advantages & Disadvantages Enhanced security and convenience: private keys never require be transmitting or revealing to anyone.  They can givce a method for digital signatu

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