What type of component is a mapping table introducer?

Question

Options

• ASplitter
• BFunction
• CComparator
• DOperator

• A
  3% (1)
• B
  3% (1)
• C
  89% (31)
• D
  6% (2)

Explanation

A mapping table introducer is classified as a Comparator because its core role is to compare incoming data values against entries in a predefined mapping table to find corresponding matches - it evaluates equivalences between a source value and the table's contents to resolve a mapped output.

Why the distractors are wrong:

• Splitter (A): A splitter divides a single data stream into multiple outputs - it routes, not resolves.
• Function (B): A function performs calculations or transformations on data values; it doesn't consult a reference table for matching.
• Operator (D): An operator executes logical or arithmetic operations on data, which is an active transformation role, not a lookup/comparison role.

Memory tip: Think of a mapping table introducer like a dictionary lookup - you're comparing a word (input) against entries in the dictionary (mapping table) to find its definition (mapped value). Anything that does lookup-and-match = Comparator.

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