Esmeralda wants to use her roommate's computer to work on her term paper,but the roommate has password-protected the computer.Rather than starting at "a" and systematically testing every possible word in the English language,Esmeralda tries using her roommate's birthdate and pets' names.What is Esmeralda using in this case

A)  representativeness 
B)  reframing 
C)  an algorithm 
D)  a heuristic

Algorithm

A well-defined procedure or set of rules to be followed in calculations or problem-solving operations.

Heuristic

A mental shortcut that allows individuals to solve problems and make judgments quickly and efficiently, based on practical methods and experiences.

Password-Protected

A security measure where access to a device or digital resource requires entering a secret phrase or series of characters.