[Solved] Which of the following best describes the purpose of a computed signal in Angular? — Ans: To create a signal that depends on other signals and updates automatically | Angular

Angular - Signals

Which of the following best describes the purpose of a computed signal in Angular?

ATo store static values that never change

BTo create a signal that depends on other signals and updates automatically

CTo manually trigger UI updates without dependencies

DTo replace event listeners in Angular components

Step-by-Step Solution

Solution:

Step 1: Identify computed signal role
Computed signals derive their value from other signals and update automatically when those change.
Step 2: Eliminate unrelated options
Static values and manual triggers do not describe computed signals; neither do event listeners.
Final Answer:
To create a signal that depends on other signals and updates automatically -> Option B
Quick Check:
Computed signal purpose = Auto-updating derived value [OK]

Quick Trick: Computed signals derive and auto-update from other signals [OK]

Common Mistakes:

Master "Signals" in Angular

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Which of the following best describes the purpose of a computed signal in Angular?