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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.
Which of the logic gates are known as universal gates ? Ans. NAND and NOR are termed as universal gates, since any digital circuit can be realized completely by using either of
Q. What do you mean by Communication Traffic? Communication Traffic offers a pictorial view of communication traffic in interconnection network with respect to time in progress
Memory Organization - Computer architecture: BASIC CONCEPTS: Address space - 16-bit : 216 = 64K mem. locations - 32-bit : 232 = 4G mem. locations - 40-b
Mr. Franco Forest owns a small lawn care business with three employees. He owns the lawn mowers, rakes, and weed whackers that are housed in a storage area at the back of his home.
Explain advantage of static storage class The second and more subtle use of 'static' is in connection with external declarations. With external constructs it provides a privacy
Explain pointers We can have a pointer pointing to a structure just the same way a pointer pointing to an int, such pointers are called as structure pointers
Now consider the following spreadsheet: Formula in cell D2 is = (B2/C2) Replicating this formula (by highlighting then drag down to D7) gives all the formulas needed in cell
is a technique of improving the priority of process waiting in Queue for CPU allocation? Ageing is a technique of enhancing the priority of process waiting in Queue for CPU all
Differences between internal and external treatment in boiler
What is Verilog function - A function is unable to enable a task however functions can enable other functions. - A function would carry out its required duty in zero simula
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