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Error handling in Hard disk in computer architecture:
Modern drives also make widespread use of Error Correcting Codes (ECCs), specifically Reed-Solomon error correction. These techniques store additional bits for each block of data that are resolute by mathematical formulas. The extra bits permit many errors to be fixed. Whereas these additional bits occupy space on the hard drive, they permit higher recording densities to be employed, resulting in much higher storage capacity for user data. In the year 2009, in the newest drives, low-density parity-check codes (LDPC) are supplanting Reed-Solomon. LDPC codes are able performance near to the Shannon Limit and therefore allow for the highest storage density available.
Typical hard drives effort to "remap" the data in a physical sector that will be bad to a spare physical sector-hopefully whilst the number of errors in that bad sector is still little enough that the E CC can fully recover the data without loss.
Opening Files for Reading Only : A data file is a file that you can open and read its contents visually - for example, C source files, .dat files, HTML etc - anything that look
A firewall is Software or hardware used to separate a private network from a public network.
Associative Array Processing Consider that a list of record or a table is stored in the memory and you want to search some information in that list. For example, the list havin
Common problem with Hill climbing: An alternative way of justifying the problem is that the states are boards with 8 queens already on them, so an action is a movement of one
Yes, single thread module
Find out the two inputs when the NAND gate output will be low. Ans. The output of NAND gate will be low if the two inputs are 11. The Truth Table of NAND gate is shown
(a) Explian two limitations of dead-box analysis. (b) Describe why memory analysis is difficult. (c) With reference to the "Shadow Walker" rootkit, explain what is meant by
Disadvantages of random scan display - Just by wire-frame, it is almost impossible to create images with shaded objects or areas filled with a given colour. - In case
Multiprogramming or multitasking? Ans: The OS manages the concurrent execution of many application programs to make best possible use of computer resources. This pattern of si
Difference between static and dynamic RAM. Draw the circuits of one cell of each and explain its working. Ans: Differentiation among Static RAM and Dynamic RAM: Static
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