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What is the primary benefit of using a notification system on state change in software design?

easy📝 Conceptual Q1 of 15
LLD - Design — Online Shopping Cart
What is the primary benefit of using a notification system on state change in software design?
AIt allows components to react automatically when data changes.
BIt increases the size of the application code.
CIt prevents any changes to the system state.
DIt slows down the system performance intentionally.
Step-by-Step Solution
Solution:

  1. Step 1: Understand the role of notification systems

    Notification systems inform parts of a program when something important changes, so they can update accordingly.

  2. Step 2: Identify the benefit of automatic reactions

    This automatic update avoids manual checks and keeps components synchronized efficiently.

  3. Final Answer:

    It allows components to react automatically when data changes. -> Option A

  4. Quick Check:

    Notification system benefit = Automatic reaction [OK]
Quick Trick: Notifications trigger updates automatically on changes [OK]
Common Mistakes:
  • Thinking notifications prevent changes
  • Assuming notifications slow down the system
  • Believing notifications increase code size unnecessarily

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