Multiple choice

In CNC systems, editing is easier as compared to that of NC system because

  1. in CNC systems, the part programme is stored in computer accuracy

  2. in CNC systems, the part programme can be easily checked and corrected

  3. data tape in case of NC system cannot be reused, whereas disc in CNC systems can be reused

  4. all of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

CNC stores programs in computer memory (accuracy), allows easy checking and correction of programs, and uses reusable disks instead of single-use tapes. All three advantages make editing easier in CNC compared to NC tape systems.

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