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Why is it important to initialize variables at the time of declaration in C?

hard📝 Conceptual Q10 of 15
C - Variables and Data Types
Why is it important to initialize variables at the time of declaration in C?
ATo avoid unpredictable values from uninitialized variables
BBecause C does not allow declaration without initialization
CTo save memory space
DTo make variables constant
Step-by-Step Solution
Solution:
  1. Step 1: Understand variable initialization importance

    Uninitialized variables contain garbage values which can cause unpredictable behavior.
  2. Step 2: Evaluate other options

    C allows declaration without initialization, initialization does not save memory or make variables constant.
  3. Final Answer:

    To avoid unpredictable values from uninitialized variables -> Option A
  4. Quick Check:

    Initialization prevents garbage values = D [OK]
Quick Trick: Always initialize variables to avoid garbage values [OK]
Common Mistakes:
  • Thinking initialization is mandatory in C
  • Confusing initialization with memory optimization

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