WHAT_IS_THE_FEATURE_THAT_DOESN‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•T_BELONGS_TO_PATTERN_CLASSIFICATION_IN_FEEDDORWARD_NEURAL_NETWORKS??$#

• A. recall is direct
• B. delta rule learning
• C. non linear processing units
• D. two layers