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QUESTION - Fault Tolerance
(a) Three computers together provide a replicated service. The manufacturers claim that each computer has a mean time between failure of five days; a failure typically takes four hours to fix. What is the availability of the replicated service?
(b) In the gossip architecture, why does a replica manager need to keep both a ‘replica' timestamp and a ‘value' timestamp?
(c) Explain the difference between linearizability and sequential consistency, and why the latter is more practical to implement, in general.
(d) Explain why allowing backups to process read operations leads to sequentially consistent rather than linearizable executions in a passive replication system.
Sequential circuit:- A sequential circuit is an interconnection of gates and flip-flops. The gates by themselves constitute a combinational circuit, but when contained with th
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a) Define Annual Change Traffic (ACT) and Annual Maintenance Effort (AME) of Boehm model. b) For a software system of 90 KLOC, 5KLOC of code was added. The initial development
Describe the functional requirement for a Library management system ?
Hello, I am a CS graduate and i just got a new job in a software development company. My boss assigned me to come up with what he called "the perfect pie chart" basically he says
Q. Explain about Communicational cohesion? Communicational cohesion: The Communicational cohesion is when parts of a module are grouped for the reason that they operate on th
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Describe how the goals of quality control (QC) flexible manufacturing systems (FMS), design for assembly (DFA)and low overall costs can be best combined by computer integrated manu
Define query language? A query is a statement requesting the retrieval of information. The portion of DML that includes information retrieval is known as a query language.
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