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Question

hat issue does the principle of "reachability" help prevent?

a.

Inconsistent display of hierarchical structures

b.

Blind alleys in the user interface

c.

Complex variable structures in a debugger

d.

Unintended deletions of fields or variables

Answer: (b).Blind alleys in the user interface Explanation:The principle of "reachability" helps prevent blind alleys in the user interface, where users might end up in a state where they cannot navigate back to other options or states.

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Q. hat issue does the principle of "reachability" help prevent?

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