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What is the difference between ECC and parity memory?

ecc momory can detect and repair errors


According to the OSI model which layer performs parity checking and error checking?

Data Link layer does the parity error checking Thanks, Samaresh


What is error checking?

Checks for errors.


What does ecc mean?

ECC stands for "error correcting code". It is a way to check for accuracy by adding one bit of redundant data (or parity data) to the end of each byte. As an example, when the digits of a byte total an odd number, the parity bit will be a zero. When it is even, it will be a one. If the parity bits do not match their respective bytes, the data is known to be corrupted.


What is parity checking used for?

Parity checking is used as a way to ensure data integrity and prevent errors, or detect them in the event they are occuring.


What error checking technology DIMMs used?

ECC


Can you mix and match ECC and non-parity modules?

No. When adding new memory, you need to match what is already in your system. Parity modules have an extra chip that detects if data was correctly read or written by the memory module, depending on the type of error. However, a parity module will not correct the erro


What is the difference between ecc and non-ecc ram pc3200?

ECC is error checking, there is an extra chip on the ram that does this and it's only really useful for server machines. Also ECC runs slower. Non-ECC has better performance and is used in most desktop PCs. There is a lot more to it, but this should give you the answer you need. For more info just type ECC vs. Non-ECC into any search.


What memory features allows for the protection against random inconsistencies in the transfer of the data?

Hamming Parity Error Correction Code, sometimes shortened to ECC.


How can I differentiate non-ecc from ecc memory modules?

ECC stands for Error Checking and Correction. This type of memory module is used to correct memory errors within the computer registry. ECC memory modules generally have 9 chips compared to 8 chips in a non-ECC memory module. This is the easiest way to differentiate the two.


What is the difference between parity and non-parity memory?

Non-parity memory is memory without parity. Parity memory is memory with extra bits, sometimes one, sometimes more, that accompany the word. These extra parity bits are generated to a known value, typically to make the total number of bits on that word even or odd. When the word is retrieved, the parity bits are compared against what they should be. If they are different, then one or more of the bits in the original word or in the parity bits must have changed. This is an error condition that can be trapped. In a multiple parity bit system, the calculation of the bits allows not only for the detection of a changed bit, but also for the identification of which bit changed. This is known as ECC parity, or Error-Correcting-Code. Often, you can detect and correct any one bit error, and you can detect, but not correct, any two bit error. Since random bits changes are rare, those that do occur are usually one bit errors, making ECC parity valuable for high reliability systems such as servers.


What is meant by tree based parity check?

It is one of the type of parity checking methods. when the binary digits are formated as like the binary tree .Then calculate the parity from the root to each leaf node from left to right.