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What does dead code elimination refer to?

Practice Questions

Q1
What does dead code elimination refer to?
  1. Removing code that is never executed
  2. Optimizing loops
  3. Reducing variable declarations
  4. Simplifying expressions

Questions & Step-by-Step Solutions

What does dead code elimination refer to?
  • Step 1: Understand what 'dead code' means. Dead code is parts of a program that are written but never run or executed.
  • Step 2: Recognize that dead code can happen for various reasons, like if a condition is always false or if a function is never called.
  • Step 3: Learn that 'dead code elimination' is the process of finding and removing this unused code.
  • Step 4: Realize that removing dead code can make the program smaller and easier to understand.
  • Step 5: Know that eliminating dead code can also improve the performance of the program.
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