Agent - Takes input from the surroundings and uses its intelligence and performs the desired operations.

Cover important properties of Simplex Reflex Agent, Model Based Reflex Agent, Goal Based Agent, Utility Based Agent.

Properties of Simplex Reflex Agent: Simplex means (Spontaneous) 

• current percept
• ignore the rest of the percept history
• Based on the condition-action rule (IF-Then rule)
• Succeeds when the environment is fully observable

Properties of Model-Based Reflex Agent: (Knowledge base):

• partially observable environments
• keep track of internal state (History +present)

Properties of Goal-Based Agent:

• Expansion of Model-based Reflex Agents
• focus on Goal state (Supervised learning)
• Flexible (Searching & Planning)

Properties of Utility-Based Agent:

• Deals with HAPPY & UNHAPPY state.

Note: Various types of questions asked in the UGCNET exam on this topic. Read carefully!!

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