Sunday, June 3, 2007

Question 53

Which is the appropriate term for expressing the principle of designing programs from the viewpoints of safety and reliability as described below?

"A larger number of data check functions are embedded into the programs which are used by many and unspecified persons as compared to those which are used by only one person. In addition to documenting the prerequisites for using the program, it should be coded in such a way that, when any data not meeting the prerequisites are actually entered, error messages can be displayed."

a) Foolproof
b) Fail safe
c) Fail soft
d) Fault tolerant


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