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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.
What is the advantage of wrapping database calls into MTS transactions? Ans) If database calls are made within the context of a transaction, aborting the transaction will undo a
algorithm for deleteing a node
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Character and String Processing Instructions: String manipulation usually is done in memory. Possible instructions comprise COMPARE STRING, COMPARE CHARACTER, MOVE STRING and MOVE
Fuzzy logic is a form of various-valued logic; it deals with reasoning that is approximate rather than fixed & exact. In contrast with traditional logic theory, where binary sets h
Which interface controls what is shown on the p.c.? Presentation Interface controls what is shown on the p.c
Telephone Traffic is measured in (A) Seconds. (B) Hours. (C) Erlang (D) Pulses per minute. Ans: Telephone Traffic is measured in Erlang.
What is SIMD? Single Instruction stream, Multiple Data stream (SIMD) shows an organization that contains many processing units under the supervision of a common control unit. A
Q. Illustrate logical Data Processing Instructions? AND, OR, NOT, XOR operate on binary data stored in registers. For illustration if two registers comprises data: R1 = 10
A breakthrough in the AI intelligence the development of natural interfaces is a prerequisite to the optimal use of computers by human beings. It incorporates: a. Natural La
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