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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.
Design a 32:1 multiplexer using two 16:1 multiplexers and a 2:1 multiplexer Ans. Design a 32 X 1 MUX by using two 16 X 1 MUX and one 2 X 1. Now here total 32 input lines
any ideas about senior project topic
Q. Connection Machine FORTRAN? Connection Machine Fortran was a subsequent SIMD language developed by Thinking Machines Corporation. Connection Machine Fortran incorporated all
Explain definition of fibonacci Where an input value gives a trivial result, it is returned directly, otherwise the function calls itself, passing a changed version of the inpu
Stencil Duplicating Equipment Required Stencil Duplicator Thermal copier (optional) Electronic stencil cutter Materials Stencil COPY paper Ink Clean
Draw and explain the function of dual slope analogue to digital converter. Derive the equations used. Ans. Dual slope A/D converter : This has 4 main blocks.
Problem: (a) (i) Distinguish between Complex Type and Simple Type elements. (ii) List two benefits while using XSDs in XML data modeling. (b) Both XML schema and XSL u
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Some of the fundamental considerations for instruction set design includes selection of: A set of data-types (For example: integers, long integers, doubles, character strin
Define Top-down parsing Techniques Top-down parsing can be observed as an attempt to find left-most derivations of an input-stream through searching for parse trees using a top
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